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词条 Lockheed Martin F-35 Lightning II
释义

  1. Development

  2. Design

      Overview    Improvements    Engines    Armament    Stealth and signatures    Radar    Acoustics    Cockpit    Sensors and avionics    Helmet-mounted display system    Maintenance  

  3. Operational history

      Testing    Training    Basing plans for future U.S. F-35s    Combat use  

  4. Accidents

  5. Procurement and international participation

  6. Variants

      F-35A    F-35B    Other versions    F-35I    CF-35    F-35D  

  7. Operators

      F-35A    F-35B    F-35C  

  8. Specifications (F-35A)

  9. Appearances in media

  10. See also

  11. Notes

  12. References

      Bibliography  

  13. Further reading

  14. External links

{{Redirect|F-35|other uses|F35 (disambiguation){{!}}F35 (disambiguation)}}{{pp-move-indef|small=yes}}{{short description|Family of fifth-generation stealth combat aircraft}}{{Use dmy dates|date=July 2014}}
name = F-35 Lightning IIimage = File:F-35A flight (cropped).jpgcaption = F-35A Lightning IIalt = F-35A off the coast of Northwest Florida

}}{{Infobox aircraft type

 type = Stealth multirole fighter national origin = United States manufacturer = Lockheed Martin Aeronautics first flight = 15 December 2006 (F-35A) introduced = F-35B: 31 July 2015 (USMC)[1][2][3]
F-35A: 2 August 2016 (USAF)[4]
F-35C: 28 February 2019 (USN)[5] 		status = In service primary user = United States Air Force more users = United States Marine Corps
United States Navy
Royal Air Force
See Operators section for others		 produced = 2006–present number built = 355+ as of 20 December 2018[6] program cost = US$1.508 trillion (through 2070 in then-year dollars), US$55.1B for RDT&E, $319.1B for procurement, $4.8B for MILCON, $1123.8B for operations & sustainment (2015 estimate)[7] unit cost = F-35A: $89.2M (low rate initial production lot 11 (LRIP 11) including F135 engine, cost in 2020 to be $80M)[8]
F-35B: US$115.5M (LRIP 11 including engine)[8]
F-35C: US$107.7M (LRIP 11 including engine)[8]		 developed from = Lockheed Martin X-35 variants with their own articles = developed into =
}}

The Lockheed Martin F-35 Lightning II is a family of single-seat, single-engine, all-weather stealth multirole fighters. The fifth-generation combat aircraft is designed to perform ground-attack and air-superiority missions. It has three main models: the F-35A conventional takeoff and landing (CTOL) variant, the F-35B short take-off and vertical-landing (STOVL) variant, and the F-35C carrier-based catapult-assisted take-off but arrested recovery (CATOBAR) variant. The F-35 descends from the Lockheed Martin X-35, the winning design of the Joint Strike Fighter (JSF) program. It is built by Lockheed Martin and many subcontractors, including Northrop Grumman, Pratt & Whitney, and BAE Systems.

The United States principally funds F-35 development, with additional funding from other NATO members and close U.S. allies, including the United Kingdom, Italy, Australia, Canada, Norway, Denmark, the Netherlands, and Turkey.[9][10] These funders generally receive subcontracts to manufacture components for the aircraft; for example, Turkey is the sole supplier of several F-35 parts.[11][12] Several other countries have ordered, or are considering ordering, the aircraft.

As the largest and most expensive military program, the F-35 is the subject of much scrutiny and criticism in the U.S. and in other countries.[13] In 2013 and 2014, critics argued that the plane was "plagued with design flaws", with many blaming the procurement process in which Lockheed was allowed "to design, test, and produce the F-35 all at the same time," instead of identifying and fixing "defects before firing up its production line".[13] By 2014, the program was "$163 billion over budget [and] seven years behind schedule".[14] Critics also contend that the program's high sunk costs and political momentum make it "too big to kill".[15]

The F-35 first flew on 15 December 2006. In July 2015, the United States Marines declared its first squadron of F-35B fighters ready for deployment;[16][17]. However, the DOD-based durability testing indicated the service life of early-production F-35B aircraft is well under the expected 8,000 flight hours, and may be as low as 2,100 flight hours. Fleet F-35B aircraft are expected to start reaching their service-life limit in 2026, based on design usage.[18] The U.S. Air Force followed suit with its first squadron of F-35As in August 2016.[19] In 2018, the F-35 premiered in combat with the Israeli Air Force.[20][21]

The United States plans to buy 2,663 F-35s, which will provide the bulk of the crewed tactical airpower of the U.S. Air Force, Navy, and Marine Corps in coming decades. Deliveries of the F-35 for the U.S. military are scheduled until 2037[22] with a projected service life up to 2070.[23]

Development

{{Main|Lockheed Martin F-35 Lightning II development}}

F-35 development started in 1992 with the origins of the Joint Strike Fighter (JSF) program and is to culminate in full production in 2018.[24] The X-35 first flew on 24 October 2000 and the F-35A on 15 December 2006. The F-35 was developed to replace most US fighter jets with variants of one design common to all branches of the military. It was developed in co-operation with a number of foreign partners, and unlike the F-22 Raptor, intended to be available for export. Three variants were designed: the F-35A (CTOL), the F-35B (STOVL), and the F-35C (CATOBAR). Despite being intended to share most of their parts to reduce costs and improve maintenance logistics, by 2017, the design commonality was only 20%.[25] The program received considerable criticism for cost overruns during development and for the total projected cost of the program over the lifetime of the jets. By 2017, the program was expected over its lifetime (until 2070) to cost $406.5 billion for acquisition of the jets and $1.1 trillion for operations and maintenance.[26] A number of design deficiencies were alleged, such as carrying a small internal payload, inferior performance to the aircraft being replaced, particularly the F-16, and the lack of safety in relying on a single engine, and flaws were noted such as vulnerability of the fuel tank to fire and the propensity for transonic roll-off (wing drop). The possible obsolescence of stealth technology was also criticized.

Design

Overview

The single-engined F-35 closely resembles the larger twin-engined Lockheed Martin F-22 Raptor, drawing design elements from its sibling. The exhaust duct design was inspired by the General Dynamics Model 200, proposed for a 1972 supersonic VTOL fighter requirement for the Sea Control Ship.[27] Although several experimental designs have been developed since the 1960s, such as the unsuccessful Rockwell XFV-12, the F-35B is to be the first operational supersonic STOVL stealth fighter.[28]

Acquisition deputy to the assistant secretary of the Air Force, Lt. Gen. Mark D. "Shack" Shackelford, has said that the F-35 is designed to be America's "premier surface-to-air missile killer and is uniquely equipped for this mission with cutting-edge processing power, synthetic aperture radar integration techniques, and advanced target recognition".[29][30] Lockheed Martin states the F-35 is intended to have close- and long-range air-to-air capability second only to that of the F-22 Raptor.[31] Lockheed Martin has said that the F-35 has the advantage over the F-22 in basing flexibility and "advanced sensors and information fusion".[32] Lockheed Martin has suggested that the F-35 could replace the USAF's F-15C/D fighters in the air-superiority role and the F-15E Strike Eagle in the ground-attack role.[33]

Improvements

Some improvements over current-generation fighter aircraft include:

  • Durable, low-maintenance stealth technology, using structural fiber mat instead of the high-maintenance coatings of legacy stealth platforms[37]
  • Integrated avionics and sensor fusion that combine information from off- and on-board sensors to increase the pilot's situational awareness and improve target identification and weapon delivery, and to relay information quickly to other command and control (C2) nodes[34][35][36]
  • High-speed data networking including IEEE 1394b[37] and Fibre Channel[38] (Fibre Channel is also used on Boeing's Super Hornet.[39])
  • The Autonomic Logistics Global Sustainment, Autonomic Logistics Information System (ALIS), and Computerized maintenance management system to help ensure the aircraft can remain operational with minimal maintenance manpower[40] The Pentagon has moved to open up the competitive bidding by other companies.[41] This was after Lockheed Martin stated that instead of costing 20% less than the F-16 per flight hour, the F-35 would actually cost 12% more.[42] Though the ALGS is intended to reduce maintenance costs, the company disagrees with including the cost of this system in the aircraft ownership calculations.[43] The USMC has implemented a workaround for a cyber vulnerability in the system.[44] The ALIS system currently requires a shipping-container load of servers to run, but Lockheed is working on a more portable version to support the Marines' expeditionary operations.[45]
  • Electro-hydrostatic actuators run by a power-by-wire flight-control system[46]
  • A modern and updated flight simulator, which may be used for a greater fraction of pilot training to reduce the costly flight hours of the actual aircraft[47]
  • Lightweight, powerful lithium-ion batteries to provide power to run the control surfaces in an emergency[48]

Structural composites in the F-35 are 35% of the airframe weight (up from 25% in the F-22).[49] The majority of these are bismaleimide and composite epoxy materials.[50] The F-35 will be the first mass-produced aircraft to include structural nanocomposites, namely carbon nanotube-reinforced epoxy.[51] Experience of the F-22's problems with corrosion led to the F-35 using a gap filler that causes less galvanic corrosion to the airframe's skin, designed with fewer gaps requiring filler and implementing better drainage.[52] The relatively short 35-foot wingspan of the A and B variants is set by the F-35B's requirement to fit inside the Navy's current amphibious assault ship parking area[53] and elevators; the F-35C's longer wing is considered to be more fuel efficient.[54]

A United States Navy study found that the F-35 will cost 30 to 40% more to maintain than current jet fighters,[55] not accounting for inflation over the F-35's operational lifetime. A Pentagon study concluded a $1 trillion maintenance cost for the entire fleet over its lifespan, not accounting for inflation.[56] The F-35 program office found that as of January 2014, costs for the F-35 fleet over a 53-year lifecycle was $857 billion. Costs for the fighter have been dropping and accounted for the 22 percent life cycle drop since 2010.[57] Lockheed stated that by 2019, pricing for the fifth-generation aircraft will be less than fourth-generation fighters. An F-35A in 2019 is expected to cost $85 million per unit complete with engines and full mission systems, inflation adjusted from $75 million in December 2013.[58]

Engines

The Pratt & Whitney F135 powers the F-35. An alternative engine, the General Electric/Rolls-Royce F136, was being developed until it was cancelled by its manufacturers in December 2011 for lack of funding from the Pentagon.[59][60] The F135 and F136 engines are not designed to supercruise.[61] However, the F-35 can briefly fly at Mach 1.2 for 150 miles without the use of an afterburner.[62] The F135 is the second (radar) stealthy afterburning jet engine. Like the Pratt & Whitney F119 from which it was derived, the F135 has suffered afterburner pressure pulsations, or 'screech' at low altitude and high speed.[63] The F-35 has a maximum speed of over Mach 1.6. With a maximum takeoff weight of 60,000 lb (27,000 kg),{{efn|Quote: "The F-35A, with an air-to-air mission takeoff weight of 49,540 lb".[68]}}[64] the Lightning II is considerably heavier than the lightweight fighters it replaces.

The STOVL F-35B is outfitted with the Rolls-Royce LiftSystem, designed by Lockheed Martin and developed by Rolls-Royce. This system more resembles the German VJ 101D/E than the preceding STOVL Harrier Jump Jet and the Rolls-Royce Pegasus engine.[65][66][67] The Lift System is composed of a lift fan, drive shaft, two roll posts and a "Three Bearing Swivel Module" (3BSM).[68] The 3BSM is a thrust vectoring nozzle which allows the main engine exhaust to be deflected downward at the tail of the aircraft. The lift fan is near the front of the aircraft and provides a counterbalancing thrust using two counter-rotating blisks.[69] It is powered by the engine's low-pressure (LP) turbine via a drive shaft and gearbox. Roll control during slow flight is achieved by diverting unheated engine bypass air through wing-mounted thrust nozzles called Roll Posts.[70][71]

F136 funding came at the expense of other program elements, impacting on unit costs.[72] The F136 team stated their engine had a greater temperature margin, potentially critical for VTOL operations in hot, high altitude conditions.[73] Pratt & Whitney tested higher thrust versions of the F135, partly in response to GE's statements that the F136 is capable of producing more thrust than the {{convert|43000|lbf|kN|abbr=on}} of early F135s. In testing, the F135 has demonstrated a maximum thrust of over {{convert|50000|lbf|kN|abbr=on}};[74] making it the most powerful engine ever installed in a fighter aircraft as of 2010.[75] It is much heavier than previous fighter engines; the Heavy Underway Replenishment system needed to transfer the F135 between ships is an unfunded USN requirement.[76] Thermoelectric-powered sensors monitor turbine bearing health.[77] At the end of May 2017 Pratt and Whitney announced the F135 Growth Option 1 had finished testing and was available for production. The upgrade requires the changing of the power module on older engines and can be seamlessly inserted into future production engines at a minimal increase in unit cost and no impact to delivery schedule. The Growth Option 1 offers a improvement of 6–10% thrust across the F-35 flight envelope while also getting a 5–6% fuel burn reduction.[78]

Armament

The F-35A is armed with a GAU-22/A, a four-barrel version of the 25 mm GAU-12 Equalizer cannon.[79] The cannon is mounted internally with 182 rounds for the F-35A or in an external pod with 220 rounds for the F-35B and F-35C;[80][81] the gun pod has stealth features.[87] The software that enables operational firing of the cannon is expected to be installed by 2018.[82]

The F-35 has external hardpoints to carry missiles, bombs, and drop tanks at the expense of increased radar cross-section, and thus reduced stealth.[83] These include four underwing pylons that can carry the AIM-120 AMRAAM BVR AAM, AGM-158 Joint Air to Surface Stand-off Missile (JASSM) cruise missile, and guided bombs; and two near-wingtip pylons for the AIM-9X Sidewinder and AIM-132 ASRAAM short-range air-to-air missiles (AAM).[84]

The F-35 has two internal weapons bays with a total of four weapons stations. Two of these can carry air-to-surface missiles or bombs up to {{convert|2000|lb|kg|abbr=on}} each in the A and C models, or air-to-surface missiles or bombs up to {{convert|1000|lb|kg|abbr=on}} each in the B model; the other two stations are for smaller weapons such as air-to-air missiles.[85][86] The weapon bays can carry AIM-120 AMRAAM, AIM-132 ASRAAM, the Joint Direct Attack Munition (JDAM), Paveway series of bombs, the Joint Standoff Weapon (JSOW), Brimstone anti-tank missiles, and cluster munitions (Wind Corrected Munitions Dispenser).[85]

An air-to-air missile load of eight AIM-120s and two AIM-9s is possible using internal and external weapons stations; a configuration of six {{convert|2000|lb|kg|abbr=on}} bombs, two AIM-120s and two AIM-9s can also be arranged.[85][87] The Terma A/S multi-mission pod (MMP) could be used for different equipment and purposes, such as electronic warfare, aerial reconnaissance, or rear-facing tactical radar.[88][97] The British Ministry of Defence plan to fire the Select Precision Effects at Range (SPEAR) Capability 3 missile from the internal bays of the F-35B, with four missiles per bay.[89][90]

Lockheed Martin states that the weapons load can be configured as all-air-to-ground or all-air-to-air, and has suggested that a Block 5 version will carry three weapons per bay instead of two, replacing the heavy bomb with two smaller weapons such as AIM-120 AMRAAM air-to-air missiles.[91] Upgrades are to allow each weapons bay to carry four GBU-39 Small Diameter Bombs (SDB) for A and C models, or three in F-35B.[92] Another option is four GBU-53/B Small Diameter Bomb IIs in each bay on all F-35 variants.[93] The F-35A has been outfitted with four SDB II bombs and an AMRAAM missile to test adequate bay door clearance,[94] as well as the C-model, but the STOVL F-35B will not be able to carry the required load of four SDB IIs in each weapons bay upon reaching IOC because of weight and dimension constraints; F-35B bay changes are to be incorporated to increase SDB II loadout around 2022 in line with the Block 4 weapons suite.[95] The Meteor air-to-air missile may be adapted for the F-35, a modified Meteor with smaller tailfins for the F-35 was revealed in September 2010; plans call for the carriage of four Meteors internally.[96] The United Kingdom planned to use up to four AIM-132 ASRAAM missiles internally, later plans call for the carriage of two internal and two external ASRAAMs.[97] The external ASRAAMs are planned to be carried on "stealthy" pylons; the missile allows attacks to slightly beyond visual range without employing radar.[84][98]

Norway and Australia are funding an adaptation of the Naval Strike Missile (NSM) for the F-35. Under the designation Joint Strike Missile (JSM), it is to be the only cruise missile to fit the F-35's internal bays; according to studies two JSMs can be carried internally with an additional four externally.[99] The F-35 is expected to take on the Wild Weasel mission, though there are no planned anti-radiation missiles for internal carriage.[100] In September 2016, Orbital ATK unveiled its extended-range AARGM-ER incorporating a redesigned control section and 11.5 in (290 mm)-diameter rocket motor for twice the range for internal carriage on the F-35.{{citation needed|date=July 2018}} The B61 nuclear bomb was initially scheduled for deployment in 2017;[101] as of 2012 it was expected to be in the early 2020s,[102] and in 2014 Congress moved to cut funding for the needed weapons integration work.[103] Norton A. Schwartz agreed with the move and said that "F-35 investment dollars should realign to the long-range strike bomber".[104] NATO partners who are buying the F-35 but cannot afford to make them dual-capable want the USAF to fund the conversions to allow their Lightning IIs to carry thermonuclear weapons. The USAF is trying to convince NATO partners who can afford the conversions to contribute to funding for those that cannot. The F-35 Block 4B will be able to carry two B61 nuclear bombs internally by 2024.[105]

According to reports in 2002, solid-state lasers were being developed as optional weapons for the F-35.[106][107][108] Lockheed is studying integrating a fiber laser onto the aircraft that uses spectral beam combining to channel energy from a stack of individual laser modules into a single, high-power beam, which can be scaled up or down for various levels of effects. Adding a laser would give the F-35 the ability to essentially burn missiles and other aircraft out of the sky.[109] The F-35 is also one of the target platforms for the High Speed Strike Weapon if hypersonic missile development is successful.[110]

The US Air Force plans to use the F-35A to primarily take up the close air support (CAS) mission in contested environments. Amid criticism that the aircraft is not well suited for the role compared to a dedicated attack platform, Air Force chief of staff Mark Welsh is putting focus on weapons for the F-35 to employ on CAS sorties including guided rockets, fragmentation rockets that would shatter into individual projectiles before impact, and lighter, smaller ammunition in higher capacity gun pods.[111] Fragmentary rocket warheads would have greater effects than cannon shells fired from a gun because a single rocket would create a "thousand-round burst", delivering more projectiles than a strafing run could. Other weapons could take advantage of the aircraft's helmet-mounted cueing system to aim rather than needing to point the nose at a target.[112] Institute for the Study of War's Christopher Harmer has questioned the use of such an expensive aircraft for CAS.[113]

Stealth and signatures

Radar

The F-35 has a lower radar cross-section than the preceding generation of fighters,[114] thanks to its shape and the use of fiber-mat and other stealthy, radar-absorbent materials.[115] It is also designed to have lower infrared and visual signatures.[116][117]

Among the design elements that reduce radar signature are chines that generate vortex lift in the same fashion as the SR-71 Blackbird,[118] instead of the leading edge extensions of the F-16 and F/A-18. The small bumps just forward of the engine air intakes — part of the diverterless supersonic inlet, a simpler, lighter means to ensure high-quality airflow to the engine over a wide range of conditions — also eliminate radar reflections between the diverter and the aircraft's skin[119] and reduce the amount of radar energy that reaches the engine fans to be reflected.[120] Such reflection is also reduced by the Y-duct-type air intake ramps, which run parallel to the fuselage and not directly into the engine fans. Special care is taken during production to match the "boilerplate".[121]

The F-35's radar-absorbent materials are designed to be more durable and require less maintenance than those on the F-117, B-2, and F-22. At some frequencies, the F-35 compares favorably to the F-22 in stealth, according to General Mike Hostage, commander of the Air Combat Command.[122][123] Low-frequency radars can spot stealthy aircraft because of Rayleigh scattering, but such radars are also conspicuous, susceptible to clutter, and have low precision.[124][125] The F-35's anti-radar design is primarily focused on the higher-frequency X-band used by missile lock and targeting sensors, rendering them ineffective beyond close ranges.[126] Ground crews use Repair Verification Radar test sets to ensure that a given repair has not increased its radar signature, which is not a concern for non-stealth aircraft.[127][128]

Like the Fighter Teen Series (F-14, F-15, F-16, F/A-18), the F-35 can carry large external fuel tanks, but flies most missions without them to keep its radar signature low.

Acoustics

In 2008, Air Force officials said the F-35 would be about twice as loud as the McDonnell Douglas F-15 Eagle at takeoff and up to four times as loud during landing.[129] This led residents near two potential F-35 bases — Luke Air Force Base, Arizona, and Eglin Air Force Base, Florida — to request environmental impact studies about the jet's noise.[129] The following year, the city of Valparaiso, Florida, adjacent to Eglin AFB, threatened to sue over the impending F-35 arrival; this lawsuit was settled in March 2010.[130][131][132] In 2009, testing reportedly revealed the F-35 to be "only about as noisy as an F-16 fitted with a Pratt & Whitney F100-PW-200 engine" and quieter than the F-22 and F/A-18E/F.[133] An acoustics study by Lockheed Martin and the Air Force found F-35 noise to be comparable to the F-22 and F/A-18E/F.[134] A 2012 USAF environmental impact study found that replacing F-16s with F-35s at Tucson International Airport would subject more than 21 times as many residents to extreme noise levels.[135] Meanwhile, the U.S. Navy began to develop ways to protect sailors' ears from the F-35's "thundering 152 decibels".[136] But in October 2014, the Joint Strike Fighter program office said that the F-35B's take-off noise was only two decibels higher than a Super Hornet, a virtually indistinguishable difference to the human ear, and is even 10 decibels quieter when flying formations or landing.[137]

Cockpit

The F-35's cockpit has:

  • A 20- by 8-inch (50 by 20 centimeters) glass cockpit touchscreen[138] dubbed a panoramic cockpit display.[139]
  • An Adacel cockpit speech-recognition system, a first for an operational U.S. fixed-wing aircraft, although similar systems have been used on the AV-8B Harrier II and trialed in the F-16 VISTA and other aircraft.[140]
  • A helmet-mounted display system.[141]
  • A right-hand HOTAS side stick controller.
  • A Martin-Baker US16E ejection seat.[142] Launched by a twin-catapult system housed in side rails,[143] the seat is widely used in fighter jets, but can endanger lightweight pilots wearing the F-35's heavier-than-usual helmet.[144]
  • An oxygen-generating system derived from the one on the F-22, which has been involved in multiple hypoxia incidents. Unlike the F-22, the flight profile of the F-35 is similar to other fighters that routinely use such systems.[145][146] On 9 June 2017, the 55 F-35s at Luke Air Force Base were grounded after five pilots complained of hypoxia-like symptoms over a five-week span. Symptoms ranged from dizziness to tingling in their extremities. The suspension was initially expected to last one day, but was extended to give investigators more time. Flying was resumed on 20 June, with no direct cause having been found.[147]

It lacks a head up display, making it the first frontline fighter in decades without one.[148]

Sensors and avionics

The F-35's sensor and communications suite has situational awareness, command and control and network-centric warfare capabilities.[31][149] The main sensor on board is the AN/APG-81 active electronically scanned array-radar, designed by Northrop Grumman Electronic Systems.[150] It is augmented by the nose-mounted Electro-Optical Targeting System (EOTS),[151] it provides the capabilities of an externally mounted Sniper Advanced Targeting Pod with a reduced radar cross-section.[152][153] The AN/ASQ-239 (Barracuda) system is an improved version of the F-22's AN/ALR-94 electronic warfare suite, providing sensor fusion of radio frequency and infrared tracking functions, advanced radar warning receiver including geolocation targeting of threats, multispectral image countermeasures for self-defense against missiles, situational awareness and electronic surveillance, employing 10 radio frequency antennae embedded into the edges of the wing and tail.[154][155] In September 2015, Lockheed unveiled the "Advanced EOTS" that offers short-wave infrared, high-definition television, infrared marker, and superior image detector resolution capabilities. Offered for the Block 4 configuration, it fits into the same area as the baseline EOTS with minimal changes while preserving stealth features.[156]

Six additional passive infrared sensors are distributed over the aircraft as part of Northrop Grumman's electro-optical AN/AAQ-37 Distributed Aperture System (DAS),[157] which acts as a missile warning system, reports missile launch locations, detects and tracks approaching aircraft spherically around the F-35, and replaces traditional night vision devices. All DAS functions are performed simultaneously, in every direction, at all times. The electronic warfare systems are designed by BAE Systems and include Northrop Grumman components.[158] Functions such as the Electro-Optical Targeting System and the electronic warfare system are not usually integrated on fighters.[159] A DAS sensor mounted in a test platform detected a two-stage ballistic missile launch 1,300 kilometers away.[160]

The communications, navigation and identification (CNI) suite is designed by Northrop Grumman and includes the Multifunction Advanced Data Link (MADL), as one of a half dozen different physical links.[161] The F-35 will be the first fighter with sensor fusion that combines radio frequency and IR tracking for continuous all-direction target detection and identification which is shared via MADL to other platforms without compromising low observability.[162] Link 16 is also included for communication with legacy systems.[163] The F-35 has been designed with synergy between sensors as a specific requirement, the aircraft's "senses" being expected to provide a more cohesive picture of the battlespace around it and be available for use in any possible way and combination with one another; for example, the AN/APG-81 multi-mode radar also acts as a part of the electronic warfare system.[164] The Program Executive Officer (PEO) General Bogdan has described the sensor fusion software as one of the most difficult parts of the program.[165]

Much of the F-35's software is written in C and C++ because of programmer availability; Ada83 code also is reused from the F-22.[166] The Integrity DO-178B real-time operating system (RTOS) from Green Hills Software runs on COTS Freescale PowerPC processors.[167] The final Block 3 software is planned to have 8.6 million lines of code.[168] In 2010, Pentagon officials discovered that additional software may be needed.[169] General Norton Schwartz has said that the software is the biggest factor that might delay the USAF's initial operational capability.[170] In 2011, Michael Gilmore, Director of Operational Test & Evaluation, wrote that, "the F-35 mission systems software development and test is tending towards familiar historical patterns of extended development, discovery in flight test, and deferrals to later increments".[171]

The electronic warfare and electro-optical systems are intended to detect and scan aircraft, allowing engagement or evasion of a hostile aircraft prior to being detected.[164] The CATbird avionics testbed aircraft has proved capable of detecting and jamming radars, including the F-22's AN/APG-77.[172] The F-35 was previously considered a platform for the Next Generation Jammer; attention shifted to using unmanned aircraft in this capacity instead.[173] Several subsystems use Xilinx FPGAs;[174] these COTS components enable supply refreshes from the commercial sector and fleet software upgrades for the software-defined radio systems.[167]

Lockheed Martin's Dave Scott stated that sensor fusion boosts engine thrust and oil efficiency, increasing the aircraft's range.[175] Air Force official Ellen M. Pawlikowski has proposed using the F-35 to control and coordinate multiple unmanned combat aerial vehicles (UCAVs). Using its sensors and communications equipment, a single F-35 could orchestrate an attack made by up to 20 armed UCAVs.[176]

Helmet-mounted display system

The F-35 does not need to be physically pointing at its target for weapons to be successful.[85][177] Sensors can track and target a nearby aircraft from any orientation, provide the information to the pilot through their helmet (and therefore visible no matter which way the pilot is looking), and provide the seeker-head of a missile with sufficient information. Recent missile types provide a much greater ability to pursue a target regardless of the launch orientation, called "High Off-Boresight" capability. Sensors use combined radio frequency and infra red (SAIRST) to continually track nearby aircraft while the pilot's helmet-mounted display system (HMDS) displays and selects targets; the helmet system replaces the display-suite-mounted head-up display used in earlier fighters.[178] Each helmet costs $400,000.[179]

The F-35's systems provide the edge in the "observe, orient, decide, and act" OODA loop; stealth and advanced sensors aid in observation (while being difficult to observe), automated target tracking helps in orientation, sensor fusion simplifies decision making, and the aircraft's controls allow the pilot to keep their focus on the targets, rather than the controls of their aircraft.[180]{{efn|Quote: "Brigadier Davis was more forthright in his comments to media in Canberra, saying the ‘Raptor’ lacks some of the key sensors and the enhanced man-machine interface of the F-35".[180]}}

Problems with the Vision Systems International helmet-mounted display led Lockheed Martin-Elbit Systems to issue a draft specification for alternative proposals in early 2011, to be based around the Anvis-9 night vision goggles.[181] BAE Systems was selected to provide the alternative system in late 2011.[182] The BAE Systems alternative helmet was to include all the features of the VSI system.[183] However, adopting the alternative helmet would have required a cockpit redesign,[184] but in 2013 development on the alternative helmet was halted because of progress on the baseline helmet.[185]

In 2011, Lockheed Martin-Elbit granted VSI a contract to fix the vibration, jitter, night-vision and sensor display problems in their helmet-mounted display.[186] A speculated potential improvement is the replacement of Intevac’s ISIE-10 day/night camera with the newer ISIE-11 model.[187] In October 2012, Lockheed Martin-Elbit stated that progress had been made in resolving the technical issues of the helmet-mounted display, and cited positive reports from night flying tests; it had been questioned whether the helmet system allows pilots enough visibility at night to carry out precision tasks.[188] In 2013, in spite of continuing problems with the helmet display, the F-35B model completed 19 nighttime vertical landings on board the USS Wasp at sea,[189] by using the DAS instead of the helmet's built-in night vision capabilities, which offer at best 20/35 vision.[190]

In October 2013, development of the alternate helmet was halted. The current Gen 2 helmet is expected to meet the requirements to declare, in July 2015, that the F-35 has obtained initial operational capability. Beginning in 2016 with low rate initial production (LRIP) lot 7, the program will introduce a Gen 3 helmet that features an improved night vision camera, new liquid crystal displays, automated alignment and other software enhancements.[185]

In July 2015, an F-35 pilot commented that the helmet may have been one of the issues that the F-35 faced while dogfighting against an F-16 during a test; "The helmet was too large for the space inside the canopy to adequately see behind the aircraft. There were multiple occasions when the bandit would've been visible (not blocked by the seat) but the helmet prevented getting in a position to see him (behind the high side of the seat, around the inside of the seat, or high near the lift vector)".[191]

Maintenance

The program's maintenance concept is for any F-35 to be maintained in any F-35 maintenance facility and that all F-35 parts in all bases will be globally tracked and shared as needed.[192] The commonality between the different variants has allowed the USMC to create their first aircraft maintenance Field Training Detachment to directly apply the lessons of the USAF to their F-35 maintenance operations.[193] The aircraft has been designed for ease of maintenance, with 95% of all field replaceable parts "one deep" where nothing else has to be removed to get to the part in question. For instance the ejection seat can be replaced without removing the canopy, the use of low-maintenance electro-hydrostatic actuators instead of hydraulic systems and an all-composite skin without the fragile coatings found on earlier stealth aircraft.[194]

The F-35 Joint Program Office has stated that the aircraft has received good reviews from pilots and maintainers, suggesting it is performing better than its predecessors did at a similar stage of development, and that the stealth type has proved relatively stable from a maintenance standpoint. This reported improvement is attributed to better maintenance training, as F-35 maintainers have received far more extensive instruction at this early stage of the program than on the F-22 Raptor. The F-35's stealth coatings are much easier to work with than those used on the Raptor. Cure times for coating repairs are lower and many of the fasteners and access panels are not coated, further reducing the workload for maintenance crews. Some of the F-35's radar-absorbent materials are baked into the jet's composite skin, which means its stealthy signature is not easily degraded.[195] It is still harder to maintain (because of the need to preserve its stealth characteristics) than fourth-generation aircraft.[196]

However, the DOT&E Report on the F-35 program published in January 2015 determined that the plane has not, in fact, reached any of the nine reliability measures the program was supposed to achieve by this point in its development and that the Joint Program Office has been re-categorizing failure incidents to make the plane look more reliable than it actually is. Further, the complexity of maintaining the F-35 means that, currently, none of the Services are ready to keep it in working order and instead "rely heavily on contractor support and unacceptable workarounds". DOT&E found that the program achieved 61 percent of planned flight hours and that the average rate of availability was as low as 28 percent for the F-35A and 33 percent for the F-35B. The program created a new "modeled achievable" flight hour projection "since low availability was preventing the full use of bed-down plan flight hours". According to the Assistant Secretary of the Air Force for Financial Management, in FY2014, each non-test F-35 flew only 7.7 hours per month, which amounts to approximately one sortie every 5.5 days—for combat purposes, a sortie rate so low as to be crippling. Mean flight hours between removal (MFHBR) have increased, but are still only 59 percent to 65 percent of the required threshold. DOT&E found that mean corrective maintenance time for critical failures got worse for the F-35A and the F-35C over the last year. Structural cracking is also proving to be a recurring and enduring problem that is not yet resolved.[197]

Operational history

Testing

The first F-35A (designated AA-1) was rolled out in Fort Worth, Texas, on 19 February 2006. In September 2006, the first engine run of the F135 in an airframe took place.[198] On 15 December 2006, the F-35A completed its maiden flight.[199] A modified Boeing 737–300, the Lockheed Martin CATBird has been used as an avionics test-bed for the F-35 program, including a duplication of the cockpit.[91]

The first F-35B (designated BF-1) made its maiden flight on 11 June 2008, piloted by BAE Systems' test pilot Graham Tomlinson. Flight testing of the STOVL propulsion system began on 7 January 2010.[200] The F-35B's first hover was on 17 March 2010, followed by its first vertical landing the next day.[201] During a test flight on 10 June 2010, the F-35B STOVL aircraft achieved supersonic speeds[202] as had the X-35B before.[203] In January 2011, Lockheed Martin reported that a solution had been found for the cracking of an aluminum bulkhead during ground testing of the F-35B.[204] In 2013, the F-35B suffered another bulkhead cracking incident.[205] This will require redesign of the aircraft, which is already very close to the ultimate weight limit.[206]

{{external media
|align=right
| topic= F-35B tests on {{USS|Wasp|LHD-1|6}} in 2011
| video1= [https://www.youtube.com/watch?v=V6r_4UM6Eso Short TakeOff]
| video3= [https://www.youtube.com/watch?v=puj5lueXmJQ BF-04 vertical landing]
}}

By June 2009, many of the initial flight test targets had been accomplished but the program was behind schedule.[207] During 2008, a Pentagon Joint Estimate Team (JET) estimated that the program was two years behind the public schedule, a revised estimate in 2009 predicted a 30-month delay.[208] Delays reduced planned production numbers by 122 aircraft through 2015 to provide an additional $2.8 billion for development; internal memos suggested that the official timeline would be extended by 13 months.[208][209] The success of the JET led Ashton Carter calling for more such teams for other poorly performing projects.[210]

Nearly 30 percent of test flights required more than routine maintenance to make the aircraft flightworthy again.[211] As of March 2010, the F-35 program had used a million more man-hours than predicted.[212] The United States Navy projected that lifecycle costs over a 65-year fleet life for all American F-35s to be $442 billion higher than U.S. Air Force projections.[213] F-35 delays have led to shortfall of up to 100 jet fighters in the Navy/Marines team, although measures have been taken using existing assets to manage and reduce this shortfall.[214]

The F-35C's maiden flight took place on 7 June 2010, at NAS Fort Worth JRB. A total of 11 U.S. Air Force F-35s arrived in fiscal year 2011.[215] On 9 March 2011, all F-35s were grounded after a dual generator failure and oil leak in flight;[216] the cause of the incident was discovered to have been the result of faulty maintenance.[217] In 2012, Navy Commander Erik Etz of the F-35 program office commented that rigorous testing of the F-35's sensors had taken place during exercise Northern Edge 2011, and had served as a significant risk-reduction step.[218][219]

On 2 August 2011, an F-35's integrated power package (IPP) failure during a standard engine test at Edwards Air Force Base led to the F-35 being immediately grounded for two weeks.[220][221] On 10 August 2011, ground operations were re-instituted; preliminary inquiries indicated that a control valve did not function properly, leading to the IPP failure.[222][223] On 18 August 2011, the flight ban was lifted for 18 of the 20 F-35s; two aircraft remained grounded for lack of monitoring systems.[224] The IPP suffered a second software-related incident in 2013, this resulted in no disruption as the fleet was already grounded by separate engine issues.[225]

On 25 October 2011, the F-35A reached its designed top speed of Mach 1.6 for the first time.[226] Further testing demonstrated Mach 1.61 and 9.9g.[227] On 11 February 2013, an F-35A completed its final test mission for clean wing flutter, reporting to be clear of flutter at speeds up to Mach 1.6.[228] On 15 August 2012, an F-35B completed airborne engine start tests.[229]

During testing in 2011, all eight landing tests of the F-35C failed to catch the arresting wire; a redesigned tail hook was developed and delivered two years later in response.[230][231] In October 2011, two F-35Bs conducted three weeks of initial sea trials aboard {{USS|Wasp|LHD-1|6}}.[232]

On 6 October 2012, the F-35A dropped its first bomb,[233] followed three days later by an AIM-120 AMRAAM.[234] On 28 November 2012, an F-35C performed a total of eleven weapon releases, including a GBU-31 JDAM and GBU-12 Paveway from its weapons bay in the first weapons released for the F-35C.[235] On 5 June 2013, an F-35A at the Point Mugu Sea Test Range completed the first in-flight missile launch of an AIM-120 C5 AAVI (AMRAAM Air Vehicle Instrumented). It was launched from the internal weapons bay.[236]

On 16 November 2012, the U.S. Marines received the first F-35B at MCAS Yuma, and the VMFA(AW)-121 unit is to be redesignated from a Boeing F/A-18 Hornet unit to an F-35B squadron.[237] A February 2013 Time article revealed that Marine pilots are not allowed to perform a vertical landing—the maneuver is deemed too dangerous, and it is reserved only for Lockheed test pilots.[238] On 21 March 2013, the USMC performed its first hover and vertical landing with an F-35B outside of a testing environment.[239] On 10 May 2013, the F-35B completed its first vertical takeoff test.[240] On 3 August 2013, the 500th vertical landing of an F-35 took place.[241]

On 18 January 2013, the F-35B was grounded after the failure of a fueldraulic line in the propulsion system on 16 January.[242] The problem was traced to an "improperly crimped" fluid line manufactured by Stratoflex.[243][244] The Pentagon cleared all 25 F-35B aircraft to resume flight tests on 12 February 2013.[245] On 22 February 2013, the U.S. Department of Defense grounded the entire fleet of 51 F-35s after the discovery of a cracked turbine blade in a U.S. Air Force F-35A at Edwards Air Force Base.[246] On 28 February 2013, the grounding was lifted after an investigation concluded that the cracks in that particular engine resulted from stressful testing, including excessive heat for a prolonged period during flight, and did not reflect a fleetwide problem.[247][248] The F-35C Lightning II carrier variant Joint Strike Fighter conducted its first carrier-based night flight operations aboard an aircraft carrier off the coast of San Diego on 13 November 2014.[249]

On 5 June 2015, the U.S. Air Education and Training Command Accident Investigation Board reported that catastrophic engine failure had led to the destruction of an Air Force F-35A assigned to the 58th Fighter Squadron at Eglin Air Force Base, Florida, on 23 June 2014. The third-stage forward integral arm of a rotor had fractured and broke free during the takeoff roll. Pieces cut through the engine's fan case, engine bay, internal fuel tank and hydraulic and fuel lines before leaving through the aircraft's upper fuselage. Leaked fuel and hydraulic fluid ignited the fire, which destroyed the rear two-thirds of the aircraft. The destruction of the airframe resulted in the cancelation of the F-35's international debut at the 2014 Farnborough Airshow in England, the temporary grounding of the F-35 fleet[250] and ongoing restrictions in the flight envelope.[251]

On 19 June 2015 the RAF successfully launched two 500 lb Paveway IV precision-guided bombs, making the test the first time non-US munitions were deployed by the aircraft.[252]

The US Marines declared the aircraft had met initial operational capability on 31 July 2015, despite shortcomings in night operations, communications, software and weapons carriage capabilities.[253] However, J. Michael Gilmore, director of the Pentagon’s Operational Test and Evaluation Office, criticized the operational trials as not valid. In an internal memo, Gilmore concluded "the exercise was so flawed that it 'was not an operational test … in either a formal or informal sense of the term.' Furthermore, the test 'did not—and could not—demonstrate' that the version of the F-35 that was evaluated 'is ready for real-world operational deployments, given the way the event was structured.'"[254]

On 11 April 2016 the Joint Program Office confirmed that the Royal Netherlands Air Force (RNLAF) had cleared its KDC-10 aerial tanker to refuel the F-35, paving the way for the fighter’s international public debut at the RNLAF’s Open Dagen (Open Days) at Leeuwarden on 10-11 June 2016. The testing required the fighter to refuel in daylight, dusk and night, with 30,000 lb. of fuel being transferred during the tests.[255]

The Israel Air Force declared its F-35 fleet operationally capable on 6 December 2017.[256]

Training

In 2011, the Director of Operational Test and Evaluation warned that the USAF's plan to start unmonitored flight training "risks the occurrence of a serious mishap".[257] The leaders of the United States Senate Committee on Armed Services called on Defense Secretary Leon Panetta to reconsider the plan.[258] Despite the objections, expanded trial flights began in September 2012.[259]

The F-35A and F-35B were cleared for flight training in early 2012.[260] A military flight release for the F-35A was issued on 28 February 2012.[261] The aircraft were restricted to basic maneuvers with no tactical training allowed.[262] On 24 August 2012, a Marine pilot flew the F-35's 200th sortie at Eglin Air Force Base. The pilot said, "The aircraft have matured dramatically since the early days. The aircraft are predictable and seem to be maintainable, which is good for the sortie production rate. Currently, the flight envelope for the F-35 is very, very restricted, but there are signs of improvement there too". The F-35s at the base no longer need to fly with a chase aircraft and are operating in a normal two-ship element.[263]

On 21 August 2012, J. Michael Gilmore wrote that he would not approve the Operational Test and Evaluation master plan until his concerns about electronic warfare testing, budget, and concurrency were addressed.[264] On 7 September 2012, the Pentagon failed to approve a comprehensive operational testing plan for the F-35.[265] Instead, on 10 September 2012, the USAF began an operational utility evaluation (OUE) of the F-35A entire system, including logistical support and maintenance, maintenance training, pilot training, and pilot execution.[266] By 1 October, the OUE was reported as "proceeding smoothly". Pilots started on simulators, then began flying on 26 October.[267] The OUE was completed on 14 November with the 24th flight, the four pilots involved having completed six flights each.[268]

During the program's Low Rate Initial Production (LRIP) phase, the three U.S. military services worked together to develop tactics and procedures for the F-35 using flight simulators. Simulated flights tested the flight controls' effectiveness, helping to discover technical problems and refine aircraft design.[269] Maintenance personnel discovered that they could often fix problems by rebooting the aircraft's software and onboard systems.[270]

Air Force pilot training F-35A began in January 2013 at Eglin Air Force Base; the program could train 100 pilots and 2,100 maintainers at once.[271]

On 23 June 2014, an F-35A engine caught fire during takeoff at Eglin. In response, the Pentagon's Joint Program Office halted training in all F-35 models the next day,[272][273] and on 3 July, the F-35 fleet was formally grounded.[274] The fleet was returned to flight on 15 July,[275] but the engine inspection regimen cancelled the aircraft's planned debut at the Farnborough 2014 Air Show.[276][277]

At Red Flag 2017, the F-35 scored a kill ratio of 15:1 against an F-16 aggressor squadron.[278]

Basing plans for future U.S. F-35s

On 9 December 2010, a media report stated that the "USMC will base 216 F-35Bs on the East Coast and 184 of them on the West Coast, documents showed". This report continued: "Cherry Point will get 128 jets to form eight squadrons; Beaufort will have three squadrons and a pilot training center using 88 aircraft; Miramar will form six operational squadrons with 96 jets and 88 F-35s will go to Yuma for five operational squadrons with an additional test and evaluation unit".[279]

In 2011, the USMC and USN signed an agreement that the USMC will purchase 340 F-35B and 80 F-35C fighters. The five squadrons of USMC F-35Cs would be assigned to Navy carriers while F-35Bs would be used ashore.[280][281]

In February 2014, the U.S. Air Force announced that the first Air National Guard unit to fly the new F-35 Lightning II will be the 158th Fighter Wing of the Vermont Air National Guard based at the Burlington Air Guard Station. The 158th currently flies F-16 Fighting Falcons, which are nearing the end of their useful service lives. Burlington Air Guard Station is expected to receive 18 F-35As, replacing the 18 F-16 Fighting Falcons currently assigned. The F-35A is expected to arrive in 2020.[282]

On 11 March 2014, the first F-35A Lightning II assigned to Luke Air Force Base arrived at the base. 16 F-35s are to be delivered to the base by the end of 2014, with 144 Lightning IIs to be stationed there, arriving over the course of the next decade.[283][284]

On 8 January 2015, the Royal Air Force base RAF Lakenheath in the UK was chosen as the first base in Europe to station two American F-35 squadrons, following an announcement by the Pentagon. 48 F-35s, making up 2 squadrons, will add to the 48th Fighter Wing's already existing F-15C and F-15E Strike Eagle jets.[285]

Combat use

On 22 May 2018, Israeli Air Force chief Amikam Norkin said that the Israeli Air Force had employed the F-35 in two attacks on two battle fronts, the first time any F-35 was used in a combat operation by any country.[286][287] The air force chief said the plane had been flown "all over the Middle East", and showed conference participants photos of an Israeli F-35 flying over Beirut in a daylight flight.[21][288]

On 27 September 2018, a United States Marines Corps F-35B attacked a Taliban target in Afghanistan, the first U.S. combat employment. The F-35B took off from the USS Essex amphibious assault ship in the Arabian Sea.[289]

Accidents

On 23 June 2014, an F-35A's engine caught fire just before a training flight at Eglin Air Force Base. The pilot escaped unharmed. Engine parts from the burned aircraft were discovered on the runway, indicating a substantial engine failure.[290] The accident caused all training to be halted on 25 June, and all flights halted on 3 July.[272][273][274] The fleet was returned to flight on 15 July with restrictions in the flight envelope.[275] Preliminary findings suggested that excessive rubbing of the engine fan blades created increased stress and wear and eventually resulted in catastrophic failure of the fan.[291]

In early June 2015, the USAF Air Education and Training Command (AETC) issued its official report, which blamed the failure of the third stage rotor of the engine's fan module. The report explained that "pieces of the failed rotor arm cut through the engine's fan case, the engine bay, an internal fuel tank, and hydraulic and fuel lines before exiting through the aircraft's upper fuselage". Pratt & Whitney, the engine manufacturer, developed two remedies to the problem. The first is an extended "rub-in" to increase the gap between the second stator and the third rotor integral arm seal. The second is the redesign to pre-trench the stator. Both were scheduled for completion by early 2016. Cost of the problem was estimated at US$50 million. All aircraft resumed operations within 25 days of the incident.[292]

The F-35 first crashed on 28 September 2018, when a USMC F-35B crashed near Marine Corps Air Station Beaufort, South Carolina, after the pilot ejected safely.[293][294] All F-35s were grounded until each could be inspected for a faulty engine fuel line, and the line replaced if necessary.[295]

Procurement and international participation

{{Main|Lockheed Martin F-35 Lightning II procurement}}

While the United States is the primary customer and financial backer, along with the United Kingdom, Italy, the Netherlands, Canada, Turkey, Australia, Norway, and Denmark have agreed to contribute US$4.375 billion towards development costs.[296] Total development costs are estimated at more than US$40 billion. The purchase of an estimated 2,400 aircraft is expected to cost an additional US$200 billion.[297] The initial plan was that the nine major partner nations would acquire over 3,100 F-35s through 2035.[298] Sales to partner nations are made through the Pentagon's Foreign Military Sales program.[299]

There are three levels of international participation.[300] The levels generally reflect financial stake in the program, the amount of technology transfer and subcontracts open for bid by national companies, and the order in which countries can obtain production aircraft. The United Kingdom is the sole "Level 1" partner, contributing US$2.5 billion, which was about 10% of the planned development costs[301] under the 1995 Memorandum of Understanding that brought the UK into the project.[302] Level 2 partners are Italy, which is contributing US$1 billion; and the Netherlands, US$800 million. Level 3 partners are Turkey, US$195 million; Canada, US$160 million; Australia, US$144 million; Norway, US$122 million and Denmark, US$110 million. Israel and Singapore have joined as Security Cooperative Participants (SCP).[303][304][305] In particular, there are signs that the Republic of Singapore Air Force (RSAF) is interested, as the force has indicated that it is seriously evaluating a potential purchase[306] and the defense minister has indicated that an F-16 replacement will be announced soon.[307]

Japan announced on 20 December 2011 its intent to purchase 42 F-35s with deliveries beginning in 2016 to replace the F-4 Phantom II; Japan seeks 38 F-35s, to be assembled domestically.[308]

By 2012, many changes had occurred in the order book. Italy became the first country to announce a reduction of its overall fleet procurement, cutting its buy from 131 to 90 aircraft. Other nations reduced initial purchases or delayed orders while still intending to purchase the same final numbers. The United States canceled the initial purchase of 13 F-35s and postponed orders for another 179. The United Kingdom cut its initial order and delayed a decision on future orders. Australia decided to buy the Boeing F/A-18E/F Super Hornet as an interim measure. Turkey also cut its initial order of four aircraft to two, but confirmed plans to purchase 100 F-35As.[309][310] Turkey will buy four F-35s to be delivered in 2015 and 2016, while the order may be increased from 100 to 120 aircraft.[311] These changes resulted in increased procurement prices, and increased the likelihood of further cuts.[312][313]

On 3 April 2012, the Auditor General of Canada Michael Ferguson published a report outlining problems with Canada's procurement of the jet, including misinformation over the final cost. According to the Auditor General, the government knowingly understated the final price of the 65 jets by $10 billion.[314] Canada's Conservative government had stated it would not reduce its order, and anticipated a $75–80 million unit cost; the procurement was termed a "scandal" and "fiasco" by the media and faced a full review to determine any Canadian F-35 purchase.[315][316][317] On 13 December 2012, in a scathing editorial published by CBC News, journalist Brian Stewart termed the F-35 project a "global wrecking ball" for its runaway costs and lack of affordability for many participating nations.[318] The Canadian government ultimately decided not to proceed with sole-sourced purchase of the fighter and commenced a competition to choose a different aircraft.[319]

In May 2013, Lockheed Martin declared that Turkey is projected to earn $12 billion from licensed production of F-35 components.[320][321]

In November 2014, the United Kingdom confirmed its first order for 14 F-35Bs to be delivered in 2016.[322]

In June 2018, the U.S. Senate blocked the transfer of F-35 fighter jets to Turkey over concerns of secrecy.[323]

In January 2019, Singapore officially announced its plan to buy a small number of F-35s for an evaluation of capabilities and suitability before deciding on more F-35s to fully replace its aging F-16 fleet.[324]

Variants

The F-35 is being built in three different main versions to suit various combat missions.

F-35A

The F-35A is the conventional takeoff and landing (CTOL) variant intended for the U.S. Air Force and other air forces. It is the smallest, lightest F-35 version and is the only variant equipped with an internal cannon, the GAU-22/A. This 25 mm cannon is a development of the GAU-12 carried by the USMC's AV-8B Harrier II. It is designed for increased effectiveness against ground targets compared to the 20 mm M61 Vulcan cannon carried by other USAF fighters.

The F-35A is expected to match the F-16 in maneuverability and instantaneous high-g performance, and outperform it in stealth, payload, range on internal fuel, avionics, operational effectiveness, supportability, and survivability.[325] It is expected to match an F-16 that is carrying the usual external fuel tank in acceleration performance.[326]

The A variant is primarily intended to replace the USAF's F-16 Fighting Falcon. At one point it was also intended to replace the A-10 Thunderbolt II starting in 2028.[327][328] The F-35A can be outfitted to receive fuel via either of the two main aerial refueling methods; this was a consideration in the Canadian procurement and a deciding factor for the Japanese purchase.[329][330][331] On 18 December 2013, the Netherlands became the second partner country to operate the F-35A, when Maj. Laurens J.W. Vijge of the Royal Netherlands Air Force took off from Eglin Air Force Base.[332]

The F-35As for the Royal Norwegian Air Force will have drag chute installed. Norway will be the first country to adopt the drag chute pod.[333]

On 2 August 2016, the U.S. Air Force declared the F-35A basic combat ready.[334] The 34th Fighter Squadron located at Hill Air Force Base, Utah, has at least 12 combat-ready jets capable of global deployment. The F-35A is scheduled to be fully combat ready in 2017 with its 3F software upgrade. Air Combat Command will initially deploy F-35A to Red Flag exercises and as a "theater security package" to Europe and the Asia-Pacific. It will probably not be fighting the Islamic State in the Middle East earlier than 2017.[335]

On 13 July 2017, UK Minister of State For Defence Frederick Curzon confirmed that the UK will purchase a minimum 138 aircraft and a decision will shortly be forthcoming as whether there will be a 'mix' of F-35A and 'B' versions required for 'synergy' and 'inter-service operability' between the RAF and Royal Navy.[336][337][338]

F-35B

The F-35B is the short takeoff and vertical landing (STOVL) variant of the aircraft. Similar in size to the A variant, the B sacrifices about a third of the A variant's fuel volume to accommodate the vertical flight system. Vertical takeoffs and landings are riskier because of threats such as foreign object damage.[339][340] Whereas the F-35A is stressed to 9 g,[341][342] the F-35B's stress goal is 7 g. {{asof|2014}}, the F-35B is limited to 4.5 g and 400 knots. The next software upgrade includes weapons, and allows 5.5 g and Mach 1.2, with a final target of 7 g and Mach 1.6.[343] The first test flight of the F-35B was conducted on 11 June 2008.[344] Another milestone, the first successful ski-jump launch was carried out by BAE test pilot Peter Wilson on 24 June 2015.[345]

Unlike other variants, the F-35B has no landing hook. The "STOVL/HOOK" control instead engages conversion between normal and vertical flight.[346] Jet thrust is sent directly downwards during vertical flight. The variant's three-bearing swivel nozzle that directs the full thrust of the engine is moved by a "fueldraulic" actuator using pressurized fuel as the working fluid.[347]

The U.S. Marine Corps plans to purchase 340 F-35B and 80 F-35C models[348] to replace current inventories of both the F/A-18 Hornet (A, B, C and D-models), and the AV-8B Harrier II, in the fighter and attack roles.[349] The Marines plan to use the F-35B from "unimproved surfaces at austere bases" but with "special, high-temperature concrete designed to handle the heat".[350][351] The USMC declared initial operational capability with about 50 F-35s running interim block 2B software on 31 July 2015.[352] The USAF had considered replacing the A-10 with the F-35B, but will not do so because of the F-35B's inability to generate enough sorties.[353]

On 6 January 2011, Gates said that the 2012 budget would call for a two-year pause in F-35B production during which the aircraft faced redesign, or cancellation if unsuccessful.[354] In 2011, Lockheed Martin executive vice president Tom Burbage and former Pentagon director of operational testing Tom Christie stated that most program delays were due to the F-35B, which forced massive redesigns of other versions.[355] Lockheed Martin Vice President Steve O’Bryan has said that most F-35B landings will be conventional to reduce stress on vertical lift components.[356] These conventional mode takeoffs and landings cause an "unacceptable wear rate" to the aircraft's "poorly designed" tires.[357] USMC Lt. Gen. Robert Schmidle has said that the vertical lift components would only be used "a small percentage of the time" to transfer the aircraft from carriers to land bases.[358] On 3 October 2011, the F-35B began its initial sea-trials by performing a vertical landing on the deck of the amphibious assault ship {{USS|Wasp|LHD-1|6}},[359] to continue in 2015.[360] Probation status was reportedly ended by Defense Secretary Leon Panetta in January 2012 based on progress made.[361] A heat-resistant anti-skid material called Thermion is being tested on Wasp, also useful against the V-22 exhaust.[362]

The United Kingdom's Royal Air Force and Royal Navy plan to introduce the F-35B as a replacement for the Harrier GR9, which was retired in 2010, and Tornado GR4, which will retire in 2019. The F-35 is intended to be the United Kingdom's primary strike attack aircraft for the next three decades. One of the Royal Navy requirements for the F-35B design was a Shipborne Rolling and Vertical Landing (SRVL) mode to increase maximum landing weight to bring back unused ordnance by using wing lift during landing.[363][364] In July 2013, Chief of the Air Staff, Air Chief Marshal Sir Stephen Dalton announced that 617 Squadron would be the first operational Royal Air Force squadron to receive the F-35.[365][366] The second operational squadron will be the Fleet Air Arm's 809 NAS.[367] In June 2013, the Royal Air Force had received three aircraft of the 48 on order, all of which based at Eglin Air Force base.[368] The F-35 will be based at Royal Air Force Marham and become operational in 2018.[369][370] In June 2015, the F-35B undertook its first launches from a ski-jump, when one of the UK's aircraft took off using a ramp constructed at NAS Patuxent River.[371] When required to operate from the sea, the Royal Air Force and Royal Navy will operate the F-35B from ships fitted with ski-jumps, as will the Italian Marina Militare. In 2011, the Marina Militare was preparing Grottaglie Air Station for F-35B operations; they are to receive 22 aircraft between 2014 and 2021, with the aircraft carrier Cavour set to be modified to operate them by 2016.[372] The British version of the F-35B is not intended to receive the Brimstone 2 missile.[373]

Commandant of the U.S. Marine Corps, General James Amos has said that, in spite of increasing costs and schedule delays, there is no plan B to the F-35B.[374] The F-35B is larger than the aircraft it replaces, which required {{USS|America|LHA-6|6}} to be designed without well deck capabilities.[375] In 2011, the USMC and USN signed an agreement by which the USMC will purchase 340 F-35B and 80 F-35C fighters, while the USN will purchase 260 F-35Cs. The five squadrons of USMC F-35Cs will be assigned to Navy carriers; F-35Bs will be used on amphibious ships and ashore.[280][281]

Although the Australian {{sclass-|Canberra|landing helicopter dock}} ships were not originally planned to operate fixed-wing aircraft, in May 2014, the Minister for Defence David Johnston stated in media interviews that the government was considering acquiring F-35B fighters for Canberras, and Prime Minister Tony Abbott instructed 2015 Defence White Paper planners to consider the option of embarking F-35B squadrons aboard the two ships.[376][377][378] Supporters of the idea stated that providing fixed-wing support to amphibious operations would maximize aircraft capability, and the presence of a ski-jump ramp, inherited from the original design, meant that the vessels were better suited to STOVL operations than equivalent ships with flat flight decks.[379] Opponents to the idea countered that embarking enough F-35Bs to be effective required abandoning the ships' amphibious capability and would make the pseudo-carriers more valuable targets, modifications would be required to make the flight deck capable of handling vertical-landing thrust and to increase fuel and ordnance capacity for sustained operations, and that the F-35B project itself has been the most expensive and most problematic of the Joint Strike Fighter variants.[380][381][382] In July 2015 Australia ended consideration of buying the F-35B for its two largest assault ships, as the ship modifications were projected to cost more than AUS$5 billion (US$4.4 billion). The plan was opposed by the Royal Australian Air Force, as an F-35B order could have diminished the number of F-35As purchased.[383][384]

The U.S. Marine Corps plans to disperse its F-35Bs among forward deployed bases to enhance survivability while remaining close to a battlespace, similar to RAF Harrier deployment late in the Cold War, which relied on the use of off-base locations that offered short runways, shelter, and concealment. Known as distributed STOVL operations (DSO), Marine F-35Bs would sustain operations from temporary bases in allied territory within the range of hostile ballistic and cruise missiles, but be moved between temporary locations inside the enemy's 24- to 48-hour targeting cycle. This strategy accounts for the F-35B's short range, the shortest of the three variants, with mobile forward arming and refueling points (M-Farps) accommodating KC-130 and MV-22 Osprey aircraft to rearm and refuel the jets, as well as littoral areas for sea links of mobile distribution sites on land. M-Farps could be based on small airfields, multi-lane roads, or damaged main bases, while F-35Bs would return to U.S. Navy ships, rear-area U.S. Air Force bases, or friendly carriers for scheduled maintenance; metal planking would be needed to protect unprepared roads from the F-35B's engine exhaust, which would be moved between sites by helicopters, and the Marines are studying lighter and more heat-resistant products.[385]

On 27 September 2018 an F-35B from {{USS|Essex|LHD-2|6}} carried out an air strike using a precision-guided bomb on a Taliban position in Afghanistan, marking the first US combat use of the F-35.[386] On 10 January 2019, initial operating capability land (IOC (land)) for the UK's F-35B was announced.[387]

===F-35C===

Compared to the F-35A, the F-35C carrier variant features larger wings with foldable wingtip sections, larger wing and tail control surfaces for improved low-speed control, stronger landing gear for the stresses of carrier arrested landings, a twin-wheel nose gear, and a stronger tailhook for use with carrier arrestor cables. The larger wing area allows for decreased landing speed while increasing both range and payload.

The United States Navy intends to buy 260 F-35Cs to replace the F/A-18A, B, C, and D Hornets and complement the F/A-18E and F/A-18F Super Hornet fleet. The United States Marine Corps will also operate five squadrons of F-35Cs that will deploy aboard aircraft carriers and augment US Navy carrier air wings under the two services' long-standing Tactical Aviation Integration (TAI) initiative.[388][280][389] On 27 June 2007, the F-35C completed its Air System Critical Design Review (CDR), allowing the production of the first two functional prototypes.[390] The C variant was expected to be available beginning in 2014.[391] The first F-35C was rolled out on 29 July 2009.[392] The United States Marine Corps will also purchase 80 F-35Cs, enough for five squadrons, for use with navy carrier air wings in a joint service agreement signed on 14 March 2011.[280][281] A recent 2014 document stated that the USMC will also have 4 squadrons of F-35Cs with 10 aircraft per squadron for the Marine Corps' contribution to U.S. Navy carrier air wings.[393]

On 6 November 2010, the first F-35C arrived at Naval Air Station Patuxent River. In 2011, the F-35Cs were grounded for six days after a software bug was found that could have prevented the control surfaces from being used during flight.[394] On 27 July 2011, the F-35C test aircraft CF-3 completed its first steam catapult launch during a test flight at Naval Air Engineering Station Lakehurst; the TC-13 Mod 2 test steam catapult, representative of current fleet technology, was used. In addition to catapult launches at varying power levels, a three-week test plan included dual-aircraft jet blast deflector testing and catapult launches using a degraded catapult configuration to measure the effects of steam ingestion on the aircraft.[395]

On 13 August 2011, the F-35 successfully completed jet blast deflector (JBD) testing at Lakehurst. F-35C test aircraft CF-1 along with an F/A-18E tested a combined JBD cooling panel configuration. The tests measured temperature, pressure, sound level, velocity, and other environmental data; the JBD model will enable the operation of all carrier aircraft, including the F-35C. Further carrier suitability testing continued in preparation for initial ship trials in 2013.[396] On 18 November 2011, the U.S. Navy used its new Electromagnetic Aircraft Launch System (EMALS) to launch an F-35C into the air for the first time.[397]

On 22 June 2013, Strike Fighter Squadron VFA-101 received the Navy's first F-35C at Eglin Air Force Base, Florida.[398][399]

The USN is dealing with the following issues in adapting their carriers to operate the F-35C.[400]

  • The fighter's F135 engine exceeds the weight capacity of traditional underway replenishment systems[401] and generates more heat than previous engines.
  • The stealthy skin requires new repair techniques; extensive skin damage will necessitate repairs at Lockheed's land-based facilities.
  • The adoption of lithium-ion batteries needing careful thermal management, and higher voltage systems than traditional fighters.
  • Storing of new weapons not previously employed on carrier aircraft.
  • Large quantities of classified data generated during missions shall require additional security.

In February 2014, Lockheed said the F-35C was on schedule for sea trials after the tailhook was redesigned. The new tailhook has a different shape to better catch arresting wires. Testing on land achieved 36 successful landings. Sea trials were scheduled for October 2014.[402]

On 3 November 2014, an F-35C of VX-23, one of the Navy's flight test units, made its first landing on an aircraft carrier when it recovered aboard {{USS|Nimitz|CVN-68|6}}; this started a two week deployment of a pair of aircraft for the initial at sea Development Testing I or DTI, the first of three at sea tests planned for the F-35C.[403][404] The initial deployment was completed on November 14.[405]

The U.S. Navy may use the F-35C as part of its UCLASS effort to operate a carrier-based unmanned aerial vehicle. Though it has been suggested that the UCLASS could carry air-to-air weapons, an unmanned aircraft lacks situational awareness and is more vulnerable to electronic countermeasures than manned aircraft, and autonomy for deploying lethal weapons is not under development. With the F-35C as the center of a network of naval systems, it could feed information to the UCLASS and order it to fire on a certain target. Large numbers of F-35Cs operating in contested environments can generate a clear picture of the battlespace, and share it with unmanned assets that can be directed to attack.[406]

VFA-147 was selected to be the first operational squadron to transition to the F-35C in January 2018. Operational testing was to continue aboard {{USS|Abraham Lincoln|CVN-72|6}} at the beginning of 2018. The carrier is the first to be modernized to operate the F-35C. Initial operating capability is expected between mid-2018 and early 2019, with the first deployment is scheduled aboard {{USS|Carl Vinson|CVN-70|6}} in 2020. The F-35C will equip two of the four strike fighter squadrons in a carrier air wing.[407] The US Navy declared initial operational capability for the F-35C on 28 February 2019.[408]

Other versions

F-35I

{{Main|Lockheed Martin F-35 Lightning II Israeli procurement}}

The F-35I Adir ({{Lang-he-n|אדיר}}, meaning "Awesome",[409] or "Mighty One"[410]) is an F-35A with Israeli modifications. A senior Israel Air Force official said, "The aircraft will be designated F-35I, as there will be unique Israeli features installed in them". The U.S. initially refused to allow such modifications, then agreed to let Israel integrate its own electronic warfare systems, such as sensors and countermeasures. The main computer will have a plug-and-play feature to allow add-on Israeli electronics to be used; proposed systems include an external jamming pod, and new Israeli air-to-air missiles and guided bombs in the internal weapon bays.[411][412]

Israel Aerospace Industries (IAI) has considered helping to develop a proposed two-seat F-35. An IAI executive said, "There is a known demand for two seats not only from Israel but from other air forces".[413] IAI plans to produce conformal fuel tanks.[414] A senior IAF official said that elements of the F-35's stealth may be overcome in 5 to 10 years, while the aircraft will be in service for 30 to 40 years, which is why Israel insisted on installing their own electronic warfare systems: "The basic F-35 design is OK. We can make do with adding integrated software".[415] Israel is interested in purchasing up to 75 F-35s.[416]

On 12 December 2016, Israel began receiving its first F-35Is of the 50 it plans to purchase for integration and testing. Israel is to be the second nation with an operational F-35 squadron, after the U.S.[417][418][419] The first nine F-35s became operational (at initial operating capacity) in the Israeli Air Force in December 2017.[420] On 22 May 2018, the commander of the Israel's Air Force, Major General Amikam Norkin, said that Israel became the first country to use the F-35 in combat. That combat was during clashes with Iran in Syria,[421] but IDF officials also said that F-35 has been "flying all over the Middle East",[21] and had also carried out airstrikes on another Middle Eastern battlefront.[21]

CF-35

{{Main|Lockheed Martin F-35 Lightning II Canadian procurement}}

The Canadian CF-35 is a proposed variant that would differ from the F-35A through the addition of a drogue parachute and may include an F-35B/C-style refueling probe.[333][422] In 2012, it was revealed that the CF-35 would employ the same boom refueling system as the F-35A.[423] One alternative proposal would have been the adoption of the F-35C for its probe refueling and lower landing speed; however, the Parliamentary Budget Officer's report cited the F-35C's limited performance and payload as being too high a price to pay.[424] Following the 2015 Federal Election the Liberal Party, whose campaign had included a pledge to cancel the F-35 procurement,[425] won a majority in the House of Commons. The new government stated it would run a competition for an aircraft to replace the existing CF-18 Hornet.[426]

F-35D

An early study for a possible upgrade of the F-35A to be fielded by the 2035 target date of the Air Force Future Operating Concept.[427][428]

Operators

F-35A

{{AUS}}
  • Royal Australian Air Force – 10 delivered,[429][430] 62 on order,[431] up to 28 additional planned[432]
    • 3 Squadron[433][434]
{{BEL}}
  • Belgian Air Component - 34 planned[435][436]
{{DNK}}
  • Royal Danish Air Force – 27 planned[437]
{{ISR}}
  • Israeli Air Force – 14 currently delivered and operational (F-35I),[438] from 50 ordered, and 75 planned.[438]
    • 140 Squadron[439][440][441][442]
{{ITA}}
  • Italian Air Force – 9 F-35A operational and 2 more on order with 17 more ordered for delivery up to 2019;[443][444] up to 60 total planned.[445]
{{JPN}}
  • Japan Air Self-Defense Force – 1 operational and 9 remaining on order;[446][447] with another 42 to 62 more planned[448] of which 38 are being built by Mitsubishi.[449][450] Japan is studying another order of 100 more F-35s, consisting of a mixture of F-35As and Bs.[451][452]
{{NLD}}
  • Royal Netherlands Air Force – 1 operational, 2 in use for testing, 8 on order, 27+ additional planned[486][453][454][455]
    • 323 Squadron[456]
{{NOR}}
  • Royal Norwegian Air Force – 7 operational and used for training of Norwegian pilots in the US, 9 delivered to Norway for testing and integration, with 36 additional planned with a total of 52 planned[457]
{{KOR}}
  • Republic of Korea Air Force – 2 delivered[458] out of 60 ordered.[459][460]
    • 17th Fighter Wing[461]
{{TUR}}
  • Turkish Air Force – 2 delivered[462] of 30 ordered,[463] up to 120 total planned[464][465][466][467][468]
{{USA}}
  • United States Air Force – 1,763 planned[486][469]
    • 33d Fighter Wing AETC – Eglin AFB, Florida
    • 58th Fighter Squadron[470]
    • 53d Wing, ACC – Eglin AFB, Florida
    • 31st Test and Evaluation Squadron – Edwards AFB, California (53d Test and Evaluation Group)[471]
    • 422d Test and Evaluation Squadron – Nellis AFB, Nevada (53d Test and Evaluation Group)[472]
    • 56th Fighter Wing AETC – Luke AFB, Arizona
    • 61st Fighter Squadron[473]
    • 62d Fighter Squadron[474]
    • 63d Fighter Squadron[475]
    • 308th Fighter Squadron[476]
    • 57th Wing ACC - Nellis AFB, Nevada
    • 6th Weapons Squadron
    • 388th Fighter Wing ACC – Hill AFB, Utah
    • 4th Fighter Squadron
    • 34th Fighter Squadron[477]
    • 421st Fighter Squadron
    • 412th Test Wing AMC – Edwards AFB, California
    • 461st Flight Test Squadron[478]
    • 419th Fighter Wing AFRC – Hill AFB, Utah
    • 466th Fighter Squadron

F-35B

{{ITA}}
  • Italian Air Force – 15 planned[479][515]
  • Italian Navy – 15 planned[480] of which 1 delivered with 4 on order for delivery by 2019.[481]
{{JAP}}
  • Japan Maritime Self-Defence Force - 42 planned[482]
{{KOR}}
  • Republic of Korea Navy - 12 planned[483]
{{TUR}}
  • Turkish Naval Forces – 32 planned[484]
{{UK}}

15 received, with 9 in the UK[485] and the rest in the US, where they are used for testing and training.[486] 42 (24 FOC fighters and 18 training aircraft) to be fast-tracked by 2023;[487][488] 138 F-35B total planned[489][490] Declared combat-ready in January 2019.[491]

  • Royal Air Force
    • 17 Squadron (test and evaluation)[492][493]
    • 207 Squadron (Operational Conversion Unit)[494][493]
    • 617 Squadron[493] – 9 delivered[485]
    • Unspecified squadron[493]
  • Royal Navy
    • 809 Naval Air Squadron[487][493][495]
    • Unspecified squadron[493]
{{Flagcountry|US}}
  • United States Marine Corps – 340 planned[496][497][498]
    • VMX-1 – Edwards AFB, California[499]
    • VMFA-121 – MCAS Iwakuni, Japan[500]
    • VMFA-122 – MCAS Yuma, Arizona
    • VMFA-211 – MCAS Yuma, Arizona[501]
    • VMFAT-501 – MCAS Beaufort, South Carolina[502]

F-35C

{{Flagcountry|US}}
  • United States Marine Corps – 80 planned[479][469]
    • VFA-101 – Eglin AFB, Florida (Navy squadron, but trains both Navy and Marine F-35C pilots, and operates Navy and Marine F-35Cs maintained by both sailors and Marines. This is the same arrangement as other aircraft common to the Navy and Marine Corps.)
  • United States Navy – 260 planned[479][469][280]
    • VX-9 – Edwards AFB, California[503]
    • VX-23 – NAS Patuxent River, Maryland[504]
    • VFA-101 – Eglin AFB, Florida[505]
    • VFA-125 – NAS Lemoore, California[506]
    • VFA-147 - NAS Lemoore, California[507]

Specifications (F-35A)

{{aircraft specifications
|jet or prop?=jet
|plane or copter?=plane


|ref=Lockheed Martin specifications,[64][508][509][510] F-35 Program brief,[85] F-35 JSF Statistics,[80] F-35 Program Status[511]
|crew=1
|length main=50.5 ft[512]
|length alt=15.67 m
|span main=35 ft{{efn|C is 51.5 ft (15.7 m)}}
|span alt=10.7 m
|height main=14.2 ft{{efn|B is the same, C: 14.9 ft (4.54 m)}}
|height alt=4.33 m
|area main=460 ft²[85]
|area alt=42.7 m²
|empty weight main= 28,999 lb[513]
|empty weight alt= 13,154 kg
|loaded weight main= 49,441 lb[162]{{efn|F-35B: 48,138 lb (21,835 kg); F-35C: 56,875 lb (25,798 kg)}}[514]
|loaded weight alt= 22,426 kg
|max takeoff weight main=70,000 lb{{efn|C is same, B: 60,000 lb (27,000 kg)}}
|max takeoff weight alt=31,800 kg
|more general= Internal fuel capacity: 18,498 lb (8,382 kg)[512]{{efn|F-35B: 13,326 lb (6,352 kg); F-35C: 19,624 lb (9,110 kg)}}
|number of jets=1
|engine (jet)=Pratt & Whitney F135
|type of jet=afterburning turbofan
|thrust main=28,000 lbf[569]{{efn|>F-35B: vertical thrust 39,700 lbf (176 kN)}}
|thrust alt= 125 kN
|afterburning thrust main= 43,000 lbf[515][516]
|afterburning thrust alt=191 kN
|max speed main= Mach 1.6+[80][517]
|max speed alt= 1,200 mph, 1,930 km/h
|max speed more= (tested to Mach 1.61)[227]
|cruise speed main=
|cruise speed alt=
|range main=>1,500 nmi
|range alt=2,800 km
|range more=on internal fuel
|combat radius main=669 nmi[575]
|combat radius alt=1,239 km
|combat radius more= interdiction mission on internal fuel, 760 nmi[518] (1,407 km) for internal air to air configuration
|climb rate main=
|climb rate alt=
|loading main=107.5 lb/ft²
|loading alt=525 kg/m²; 745 kg/m² max loaded
|thrust/weight=

  • With full fuel: 0.87
  • With 50% fuel: 1.07

|more performance=*Maximum g-load: 9 g{{efn|F-35B: 7.5 g, F-35C: 7.5 g}}
|ceiling main=50,000+ ft[519]
|ceiling alt=15,240+ m[520]
|guns= 1 × General Dynamics 25 mm (0.984 in) GAU-22/A 4-barrel rotary cannon, internally mounted with 180 rounds{{efn|F-35B and F-35C have the cannon in an external pod with 220 rounds}}[80]
|hardpoint missiles=
  • Air-to-air missiles:
  • 14× AIM-120 AMRAAM
  • 2× AIM-9X Sidewinder
  • AIM-132 ASRAAM
  • MBDA Meteor (pending further funding)[96]
  • Air-to-surface missiles:
  • AGM-88 AARGM[522]
  • AGM-158 JASSM[87]
  • SPEAR 3[89]
  • Joint Air-to-Ground Missile (JAGM)
  • Joint Strike Missile (JSM, planned)
  • SOM
  • Anti-ship missiles:
  • Long Range Anti-Ship Missile (LRASM)[523]

|hardpoints=6 × external pylons on wings
|hardpoint capacity=15,000 lb (6,800 kg)[80][85] and two internal bays with a capacity of up to 5,700 lb (2,590 kg);[85] total weapons payload is 18,000 lb (8,100 kg)[64]
|hardpoint bombs=
  • Mark 84 or Mark 83 or Mark 82 GP bombs
  • Mk.20 Rockeye II cluster bomb
  • Wind Corrected Munitions Dispenser (WCMD) capable
  • Paveway series laser-guided bombs
  • Small Diameter Bomb (SDB)
  • Joint Direct Attack Munition (JDAM) series
  • AGM-154 JSOW
  • B61 mod 12 nuclear bomb[524]

|rockets=
|avionics= *Northrop Grumman Electronic Systems AN/APG-81 AESA radar
  • Lockheed Martin AAQ-40 E/O Targeting System (EOTS)
  • Northrop Grumman Electronic Systems AN/AAQ-37 Distributed Aperture System (DAS) missile warning system
  • BAE Systems AN/ASQ-239 (Barracuda) electronic warfare system
  • Northrop Grumman AN/ASQ-242 CNI system,[525] which includes
    • Harris Corporation Multifunction Advanced Data Link (MADL) communication system
    • Link 16 data link
    • SINCGARS
    • An IFF interrogator and transponder
    • HAVE QUICK
    • AM, VHF, UHF AM, and UHF FM Radio
    • GUARD survival radio
    • A radar altimeter
    • An instrument landing system
    • A TACAN system
    • Instrument carrier landing system
    • A JPALS
    • TADIL-J JVMF/VMF

}}
Differences between variants
F-35A
CTOL		F-35B
STOVL		F-35C
CATOBAR
Length50.5|ft|m|abbr=on|sigfig=3}}50.5|ft|m|abbr=on|sigfig=3}}50.8|ft|m|abbr=on|sigfig=3}}
Wingspan35|ft|m|abbr=on|sigfig=3}}35|ft|m|abbr=on|sigfig=3}}43|ft|m|abbr=on|sigfig=3}}
Wing Area460 ft² (42.7 m²)460 ft² (42.7 m²)620 ft² (57.6 m²)
Empty weight[526]28999|lb|kg|abbr=on}}32472|lb|kg|abbr=on}}34581|lb|kg|abbr=on}}
Internal fuel18498|lb|kg|abbr=on}}13326|lb|kg|abbr=on}}19624|lb|kg|abbr=on}}
Max takeoff weight70000|lb|kg|abbr=on|sigfig=3}} class60000|lb|kg|abbr=on|sigfig=3}} class70000|lb|kg|abbr=on|sigfig=3}} class
Range{{convert>1200|nmi|km|abbr=on}}{{convert>900|nmi|km|abbr=on}}{{convert>1200|nmi|km|abbr=on}}
Combat radius on
internal fuel[527]		669|nmi|km|abbr=on}}505|nmi|km|abbr=on}}670|nmi|km|abbr=on|sigfig=4}}
Thrust/weight
{{•}} full fuel:
{{•}} 50% fuel:
0.87
1.07
0.90
1.04
0.75
0.91

Appearances in media

{{Main|Aircraft in fiction#F-35 Lightning II}}

See also

{{Portal|United States Air Force|United States Navy|United States Marine Corps|Aviation|Lockheed Martin F-35 Lightning II}}{{aircontent
|see also=
|related=
  • {{annotated link|Lockheed Martin X-35}}

|similar aircraft=
  • {{annotated link|Chengdu J-20}}
  • {{annotated link|Shenyang FC-31|Shenyang J-31}}
  • {{annotated link|Sukhoi Su-57}}

|lists=
  • {{annotated link|List of fighter aircraft}}
  • {{annotated link|List of active United States military aircraft}}
  • List of megaprojects, Aerospace

}}{{clear}}

Notes

{{notelist}}

References

1. ^{{cite news |url=http://www.marines.mil/News/NewsDisplay/tabid/3258/Article/611657/us-marines-corps-declares-the-f-35b-operational.aspx |title=U.S. Marines Corps declares the F-35B operational |last1=Story |first1=Courtesy |date=31 July 2015 |website= marines.mil |publisher=Headquarters Marine Corps |accessdate=31 July 2015}}
2. ^{{cite web|url=http://www.flightglobal.com/news/articles/us-marines-stick-to-f-35b-dates-despite-new-problems-410518/|title=US Marines stick to F-35B dates despite new problems|author=Reed Business Information Limited|work=flightglobal.com|accessdate=25 May 2015}}
3. ^{{cite web|url=http://www.janes.com/article/50173/f-35b-on-track-for-operational-readiness-despite-software-challenges |title=F-35B on track for operational readiness despite software challenges |work=janes.com |accessdate=25 May 2015 |deadurl=yes |archiveurl=https://web.archive.org/web/20150429094814/http://www.janes.com/article/50173/f-35b-on-track-for-operational-readiness-despite-software-challenges |archivedate=29 April 2015 |df=dmy }}
4. ^{{cite news|url=https://www.reuters.com/article/2015/04/07/us-lockheed-martin-fighter-airforce-idUSKBN0MY26Q20150407|title=U.S. Air Force eyes future F-35 engine and arms upgrades|work=Reuters|accessdate=25 May 2015|date=7 April 2015}}
5. ^{{cite web |url=http://intercepts.defensenews.com/2014/09/the-current-status-of-the-f-35-in-three-charts/ |title=The Current Status of the F-35, in Three Charts |work=Intercepts – Defense News |access-date=17 January 2019 |archive-url=https://www.webcitation.org/6mYVWI6xW?url=http://intercepts.defensenews.com/2014/09/the-current-status-of-the-f-35-in-three-charts/ |archive-date=6 December 2016 |dead-url=yes |df=dmy-all }}
6. ^{{cite web|url=https://a855196877272cb14560-2a4fa819a63ddcc0c289f9457bc3ebab.ssl.cf2.rackcdn.com/13567/f-35_fast_facts_-_dec_2018.pdf|title= F-35 LIGHTNING II PROGRAM STATUS AND FAST FACTS - December 2018|date=20 December 2018}}
7. ^{{cite web|url=http://www.jsf.mil/news/docs/20160324_Fact-Sheet.pdf|title=F-35 Lightning II Program Fact Sheet Selected Acquisition Report (SAR) 2015 Cost Data|date=24 March 2016}}
8. ^1 2 {{cite web |url=http://www.jsf.mil/news/docs/20180927_LRIP_11_Press_Release_v2.pdf |title=Pentagon and Lockheed Martin Agree To Reduced F-35 Price in New Production Contract |work=jsf.mil/ |date=28 September 2018 |accessdate=28 September 2018}}
9. ^"F-35 Global Partnerships". {{webarchive |url=https://web.archive.org/web/20120902025203/http://www.lockheedmartin.com/us/products/f35/global-partnerships.html |date=2 September 2012}} Lockheed Martin. Retrieved: 31 October 2012.
10. ^Dudley, Richard. "Program Partners Confirm Support for F-35 Joint Strike Fighter". Defence Update, 5 March 2012. Retrieved: 18 March 2012.
11. ^{{cite web|url=https://www.janes.com/article/83476/f-35-chief-reaffirms-turkey-s-status-as-committed-programme-partner|title=F-35 chief reaffirms Turkey’s status as committed programme partner|date=1 October 2018|work=Jane's 360}}
12. ^{{cite web|url=https://www.bloomberg.com/news/articles/2018-10-05/lockheed-s-f-35-has-a-turkey-problem|title=Lockheed’s F-35 Has a Turkey Problem|date=5 October 2018|work=Bloomberg}}
13. ^1 {{cite web|url=http://www.vanityfair.com/news/2013/09/joint-strike-fighter-lockheed-martin|title=Will the F-35, the U.S. Military’s Flaw-Filled, Years-Overdue Joint Strike Fighter, Ever Actually Fly?|author=Adam Ciralsky|work=Vanity Fair|accessdate=29 September 2015}}
14. ^{{cite web|url=http://www.politico.com/story/2014/02/f-35-fighter-plane-costs-103579|title=Fighter plane cost overruns detailed|work=POLITICO|accessdate=29 September 2015}}
15. ^{{cite web|url=https://www.bloomberg.com/news/articles/2013-02-22/flawed-f-35-fighter-too-big-to-kill-as-lockheed-hooks-45-states|title=Flawed F-35 Too Big to Kill as Lockheed Hooks 45 States|date=22 February 2013|work=Bloomberg.com|accessdate=29 September 2015}}
16. ^{{cite news|url=http://time.com/3980838/marines-f-35-fighter-jet/|title=New F-35 Fighter Jets Are Ready for Combat|last=Kedmey|first=Dan|date=31 July 2015|work=Time}}
17. ^{{cite news|url=https://www.wsj.com/articles/marines-say-costly-f-35-jet-fighter-is-finally-ready-1438367615|title=Marines Say Costly F-35 Jet Fighter Is Finally Ready|last=Cameron|first=Doug|date=31 July 2015|work=The Wall Street Journal}}
18. ^{{Cite web|url=http://www.dote.osd.mil/pub/reports/FY2018/pdf/dod/2018f35jsf.pdf|title=FY18 DOD PROGRAMS F-35 Joint Strike Fighter (JSF)|last=|first=|date=2019|website= dote.osd.mil |page=25|archive-url=|archive-date=|dead-url=|access-date=}}
19. ^{{cite news|url=http://www.defensenews.com/story/breaking-news/2016/08/02/f35-ioc-air-force-operational-acc-combat/87948142/|title=Air Force Declares F-35A Ready for Combat|last=Insinna|first=Valerie|date=2 August 2016|work= defensenews.com. Defense News|access-date=7 January 2017}}
20. ^{{Cite news|url=https://www.haaretz.com/israel-news/iranians-fired-32-rockets-at-israel-during-flare-up-israeli-air-force-1.6110706|title=Israel Launched World's First Air Strike Using F-35 Stealth Fighters, Air Force Chief Says|last=Kubovich|first=Yaniv|date=2018-05-22|work=Haaretz|access-date=2018-05-22|language=en}}
21. ^1 2 3 {{cite web|url=https://www.jpost.com/Israel-News/IAF-commander-Israel-first-to-use-F-35-jet-in-combat-558030 |title=IAF Commander: Israel First To Use F-35 Jet In Combat |first=Anna |last=Ahronheim |publisher=Jerusalem Post |date=22 May 2018}}
22. ^{{cite web|url=http://www.military.com/daily-news/2013/12/17/air-force-seeks-jets-beyond-c17-and-even-jsf.html|title=Air Force Seeks Jets Beyond C-17 and Even JSF|last=Osborn|first=Kris|date=17 December 2013|work=military.com|publisher=Military Advantage|archiveurl=https://web.archive.org/web/20140525005157/http://www.military.com/daily-news/2013/12/17/air-force-seeks-jets-beyond-c17-and-even-jsf.html|archivedate=25 May 2014|deadurl=no|accessdate=24 May 2014|df=dmy}}
23. ^[https://www.flightglobal.com/news/articles/lockheed-f-35-service-life-extended-to-2070-423536/ Lockheed F-35 service life extended to 2070] – Flightglobal.com, 25 March 2016
24. ^F-35 Program Information – Non Export Controlled Information Keith P. Knotts, 9 July 2013.
25. ^{{cite news |first=Paul |last=Barrett |title=Danger Zone |work=Bloomberg Businessweek |date=April 10, 2017|pages=50–55 |url=https://www.bloomberg.com/news/features/2017-04-04/is-the-f-35-a-trillion-dollar-mistake}}.
26. ^{{cite web |url=https://www.bloomberg.com/news/articles/2017-07-10/f-35-program-costs-jump-to-406-billion-in-new-pentagon-estimate|title=F-35 Program Costs Jump to $406.5 Billion in Latest Estimate|publisher=Bloomberg}}
27. ^"Vertiflight". Journal of the American Helicopter Society, January 2004.
28. ^Kent, John R. and Chris Geisel. "F-35 STOVL supersonic". lockheedmartin.com. Retrieved 16 November 2010.
29. ^Johns, Darnell Sharkleford. "Air Force presentation to House Subcommittee on Air and Land Forces". armedservices.house.gov, 20 May 2009, p. 10.
30. ^Amaani, USAF Tech. Sgt. Lyle. "Air Force takes combat air acquisitions priorities to Hill". U.S. Air Force, 3 April 2009.
31. ^1 [https://web.archive.org/web/20100724021638/http://www.lockheedmartin.com/products/f35/f-35-capabilities.html "Capabilities". (archived version)] Lockheed Martin. Retrieved 24 July 2010.
32. ^"LockMart F-35 FAQ". Lockheed Martin, 2011.
33. ^Trimble, Stephen. "Lockheed Martin sees F-35A replacing USAF air superiority F-15C/Ds". {{webarchive |url=https://web.archive.org/web/20100215024814/http://www.flightglobal.com/articles/2010/02/04/338045/lockheed-martin-sees-f-35a-replacing-usaf-air-superiority.html |date=15 February 2010 }} Flight International, 4 February 2010. Retrieved 2 March 2010.
34. ^L3 (March 2011), Open System Architecture (OSA) Secure Processing {{Webarchive|url=https://web.archive.org/web/20161104143800/http://www2.l-3com.com/displays/pdfs/redesign/ICP(2011)_LR.pdf |date=4 November 2016 }}
35. ^{{cite web|url=http://embeddedstar.com/press/content/2004/2/embedded12722.html|title=Raytheon Selects RACE++ Multicomputers for F-35 Joint Strike Fighter|work=embeddedstar.com|accessdate=25 October 2015|deadurl=yes|archiveurl=https://web.archive.org/web/20151027215847/http://embeddedstar.com/press/content/2004/2/embedded12722.html|archivedate=27 October 2015|df=dmy-all}}
36. ^{{cite web|url=http://www.aviationtoday.com/av/military/JSF-Integrated-Avionics-Par-Excellence_1067.html|title=Avionics Magazine :: JSF: Integrated Avionics Par Excellence|work=aviationtoday.com|accessdate=25 October 2015}}
37. ^Philips, E. H. "The Electric Jet". Aviation Week & Space Technology, 5 February 2007.
38. ^Parker, Ian. "Reducing Risk on the Joint Strike Fighter". Avionics Magazine, Access Intelligence, LLC, 1 June 2007. Retrieved 8 June 2007.
39. ^"F/A-18E/F Super Hornet". Boeing.
40. ^Giese, Jack. "F-35 Brings Unique 5th Generation Capabilities". lockheedmartin.com, 23 October 2009.
41. ^Shalal-Esa, Andrea. "Pentagon seeks competition for sustainment of Lockheed F-35".{{dead link|date=July 2016}} Reuters, 28 September 2012.
42. ^Sweetman, Bill. "Wrongheaded? Really?" {{webarchive|url=https://web.archive.org/web/20130404104050/http://www.aviationweek.com/Blogs.aspx?plckBlogId=Blog%3A27ec4a53-dcc8-42d0-bd3a-01329aef79a7&plckPostId=Blog%3A27ec4a53-dcc8-42d0-bd3a-01329aef79a7Post%3A7d4840f7-616f-4279-a3ae-ece678980c57 |date=4 April 2013 }} Aviation Week, 18 October 2012.
43. ^"F-35 Cost Per Flying Hour: A Tale of Two Numbers". {{webarchive|url=https://web.archive.org/web/20130603003222/http://www.aviationweek.com/Blogs.aspx?plckBlogId=Blog%3A27ec4a53-dcc8-42d0-bd3a-01329aef79a7&plckPostId=Blog%3A27ec4a53-dcc8-42d0-bd3a-01329aef79a7Post%3A295628f9-5afc-45a1-a7e9-d8b429e5ab99 |date=3 June 2013 }}
44. ^Majumdar, Dave. "USMC finds workaround for cyber vulnerability on F-35 logistics system". Flight International, 20 November 2012.
45. ^{{cite news |url=http://www.defenseone.com/technology/2015/01/f-35-has-phone-texas-taking/102525/ |title=The F-35 Has To Phone Texas Before Taking Off |last1=Tucker |first1=Patrick |date=January 8, 2015 |website= defenseone.com |publisher=Defense One |accessdate=2 July 2015}}
46. ^Trimble, Stephen. [https://www.flightglobal.com/news/articles/farnborough-lockheed-encouraged-by-pace-of-f-35-tes-343782/ "Farnborough: Lockheed encouraged by pace of F-35 testing"]. Flight International, 12 July 2010. Retrieved 22 July 2010.
47. ^{{cite web|url=http://www.flightglobal.com/news/articles/usaf-works-to-bridge-gap-between-its-sustainment-cost-estimates-and-lockheeds-380967/ |title=USAF works to bridge gap between its sustainment cost estimates and Lockheed’s. |work=Flight International |date=12 January 2013 |accessdate=24 February 2013}}
48. ^{{cite web |url=http://www.dailytech.com/Pentagon+to+Use+LithiumIon+Batteries+for+F35+Jets+Despite+Boeing+787+Woes/article29896.htm |title=Pentagon to Use Lithium-Ion Batteries for F-35 Jets Despite Boeing 787 Woes. |work=Dailytech.com |accessdate=24 February 2013 |deadurl=yes |archiveurl=https://web.archive.org/web/20130217010310/http://www.dailytech.com/Pentagon+to+Use+LithiumIon+Batteries+for+F35+Jets+Despite+Boeing+787+Woes/article29896.htm |archivedate=17 February 2013 |df=dmy-all }}
49. ^{{cite web|url=http://www.compositesworld.com/articles/skinning-the-f-35-fighter|title=Skinning the F-35 fighter|author=CompositesWorld |work=compositesworld.com|accessdate=24 November 2016}}
50. ^"Contract Awarded To Validate Process For JSF" {{Webarchive|url=https://web.archive.org/web/20120314153109/http://www.onlineamd.com/aerospace-manufacturing-design-Vector-Composites-Quicksteps-amd-051710.aspx |date=14 March 2012 }}. onlineamd.com, 17 May 2010. Retrieved 22 July 2010.
51. ^Trimble, Stephen. "Lockheed Martin reveals F-35 to feature nanocomposite structures". {{webarchive |url=https://web.archive.org/web/20110530213822/http://www.flightglobal.com/articles/2011/05/26/357223/lockheed-martin-reveals-f-35-to-feature-nanocomposite.html |date=30 May 2011 }} Flight International, 26 May 2011.
52. ^Edwards, Jack E. "Defense Management: DOD Needs to Monitor and Assess Corrective Actions Resulting from Its Corrosion Study of the F-35 Joint Strike Fighter". United States Government Accountability Office, Washington, DC, 16 December 2010.
53. ^Ryberg, Eric S. "The Influence of Ship Configuration on the Design of the Joint Strike Fighter", p. 5. Naval Surface Warfare Center Dahlgren Division, 26 February 2002. Accessed: 1 December 2013.
54. ^{{cite web|url=http://www.airspacemag.com/military-aviation/The-Ultimate-Fighter-166000926.html |archive-url=https://archive.is/20130116143836/http://www.airspacemag.com/military-aviation/The-Ultimate-Fighter-166000926.html |dead-url=yes |archive-date=16 January 2013 |title=The Ultimate Fighter? |work=Airspacemag.com |accessdate=24 February 2013}}
55. ^Clark, Colin. "AF Worries JSF Costs May Soar". DoD Buzz 27 January 2011.
56. ^Capaccio, Tony. "Lockheed Martin F-35 Operating Costs May Reach $1 Trillion". {{webarchive |url=https://web.archive.org/web/20110429000949/http://www.businessweek.com/news/2011-04-21/lockheed-martin-f-35-operating-costs-may-reach-1-trillion.html |date=29 April 2011 }} Bloomberg News, 21 April 2011.
57. ^{{cite web|url=http://www.airforcemag.com/DRArchive/Pages/2014/January%202014/January%2008%202014/The-Cost-of-Teamwork.aspx |title=The Cost of Teamwork |work=airforcemag.com |date=8 January 2014 |accessdate=24 May 2014 |first=John A. |last=Tirpak |publisher=Air Force Association |location=Arlington, VA |archiveurl=https://web.archive.org/web/20140525023853/http://www.airforcemag.com/DRArchive/Pages/2014/January%202014/January%2008%202014/The-Cost-of-Teamwork.aspx |archivedate=25 May 2014 |deadurl=no |df=dmy }}
58. ^{{cite web|url=http://www.flightglobal.com/news/articles/lockheed-touts-f-35-progress-predicts-competitive-pricing-394185/ |title=Lockheed touts F-35 progress, predicts competitive pricing |work=flightglobal.com |date=16 December 2013 |accessdate=24 May 2014 |first=Jon |last=Hemmerdinger |others=Photo credits: Lockheed Martin |archiveurl=https://web.archive.org/web/20140525024335/http://www.flightglobal.com/news/articles/lockheed-touts-f-35-progress-predicts-competitive-pricing-394185/ |archivedate=25 May 2014 |deadurl=no |df=dmy }}
59. ^Trimble, Stephen. "Rolls-Royce: F136 survival is key for major F-35 engine upgrade". {{webarchive |url=https://web.archive.org/web/20090614073945/http://www.flightglobal.com/articles/2009/06/11/327771/rolls-royce-f136-survival-is-key-for-major-f-35-engine.html |date=14 June 2009 }} Flight International, 11 June 2009.
60. ^[https://archive.is/20120729014307/http://www.defensenews.com/story.php?i=8450963&c=AME&s=AIR "GE, Rolls Royce Stop Funding F-35 Alt Engine"]. Defense News, 4 December 2011.
61. ^"Frequently Asked Questions about JSF". JSF. Retrieved 6 April 2010.
62. ^{{cite web|last=Tirpak|first=John|title=The F-35’s Race Against Time|url=http://www.airforce-magazine.com/MagazineArchive/Pages/2012/November%202012/1112fighter.aspx|publisher=Air Force Association|accessdate=4 November 2012|date=November 2012|quote=while not technically a "supercruising" aircraft, can maintain Mach 1.2 for a dash of 150 miles without using fuel-gulping afterburners|archiveurl= https://web.archive.org/web/20121108143240/http://www.airforce-magazine.com/MagazineArchive/Pages/2012/November%202012/1112fighter.aspx |archivedate= 8 November 2012}}
63. ^Warwick, Graham. "Screech, the F135 and the JSF Engine War". Aviation Week, 17 March 2011.
64. ^1 2 {{cite web|url= http://www.lockheedmartin.com/products/f35/f-35A-ctol-variant.html|title= F-35A Conventional Takeoff and Landing Variant|accessdate= 13 July 2012|last= Lockheed Martin|archiveurl= https://web.archive.org/web/20110317113904/http://www.lockheedmartin.com/products/f35/f-35A-ctol-variant.html |archivedate= 17 March 2011}}
65. ^"Swivel nozzle VJ101D and VJ101E". Vstol.org, 20 June 2009.
66. ^Hirschberg, Mike. ""V/STOL Fighter Programs in Germany: 1956–1975", p. 50. International Powered Lift Conference, 1 November 2000. Retrieved 3 October 2012.
67. ^"How the Harrier hovers" {{webarchive|url=https://web.archive.org/web/20100707235558/http://www.harrier.org.uk/technical/How_Hovers.htm |date=7 July 2010 }}. harrier.org. Retrieved 16 November 2010.
68. ^"LiftSystem". Rolls-Royce. Retrieved 23 November 2009.
69. ^Zolfagharifard, Ellie. "Rolls-Royce's LiftSystem for the Joint Strike Fighter" The Engineer, 28 March 2011.
70. ^Kjelgaard, Chris. "From Supersonic to Hover: How the F-35 Flies". Space, 21 December 2007. Retrieved 18 October 2010.
71. ^Hutchinson, John. "Going Vertical: Developing a STOVL system" {{Webarchive|url=https://web.archive.org/web/20150720000027/http://www.ingenia.org.uk/ingenia/issues/issue20/hutchinson.pdf# |date=20 July 2015 }}. ingenia.org.uk. Retrieved 23 November 2009.
72. ^Warwick, Graham. "Second Engine Could Cut F-35 Production". Aviation Week. Retrieved 6 April 2010. {{dead link|date=June 2016|bot=medic}}{{cbignore|bot=medic}}
73. ^"GE Rolls-Royce Fighter Engine Team completes study for Netherlands". rolls-royce.com. Retrieved 23 November 2009.
74. ^[https://web.archive.org/web/20101226060817/http://www.aviationweek.com/aw/generic/story_generic.jsp?channel=defense&id=news%2Fasd%2F2010%2F08%2F27%2F01.xml&headline=Pratt "Pratt Raises Stakes In JSF Engine Battle"]. Aviation Week, 27 August 2010. Retrieved 25 November 2010.
75. ^"Lockheed Martin F-35 Joint Strike Fighter Succeeds In First Vertical Landing". lockheedmartin.com, Press Release, 18 March 2010.
76. ^{{cite web|url=http://www.dote.osd.mil/pub/reports/FY2013/pdf/navy/2013cvn78.pdf |title=FY 2013 Annual Report – CVN‑78 Gerald R. Ford Class Nuclear Aircraft Carrier |date=January 2014 |accessdate=24 May 2014 |author=Director, Operational Test and Evaluation |others=Approved by: Director J. Michael Gilmore |archiveurl=https://web.archive.org/web/20140525041336/http://www.dote.osd.mil/pub/reports/FY2013/pdf/navy/2013cvn78.pdf |archivedate=25 May 2014 |deadurl=no |df=dmy }}
77. ^Swedberg, Claire. "Energy-Harvesting Sensors to Monitor Health of Jet Engines". RFID Journal, 31 May 2011.
78. ^{{cite web|url=http://www.prnewswire.com/news-releases/pratt--whitney-validates-growth-option-for-f135-engine-300466212.html|title=Pratt & Whitney Validates Growth Option for F135 Engine|first=Pratt &|last=Whitney|website= prnewswire.com|accessdate=25 November 2017}}
79. ^"F-35 gun system" {{webarchive |url=https://web.archive.org/web/20110606130602/http://www.gdatp.com/Products/Gun_Systems/Aircraft/F-35.asp |date=6 June 2011 }}, "GAU-22/A" {{webarchive |url=https://web.archive.org/web/20110717135842/http://www.gdatp.com/files/PDF/A118_GAU22.pdf |date=17 July 2011 }}. General Dynamics Armament and Technical Products. Retrieved 7 April 2011.
80. ^1 2 3 4 "F-35 Joint Strike Fighter Media Kit Statistics". JSF.mil August 2004.
81. ^Keijsper 2007, p. 233.
82. ^{{cite web|title=software issue|url=http://www.businessinsider.com/the-f-35-wont-fire-a-shot-until-2019-2014-12?IR=T}}
83. ^Keijsper 2007, pp. 220, 239.
84. ^1 Hewson, Robert. "UK changes JSF configuration for ASRAAM". Jane's, 4 March 2008. {{webarchive |url=https://web.archive.org/web/20120916123905/http://www.janes.com/products/janes/defence-security-report.aspx?ID=1065928225 |date=16 September 2012 }}
85. ^1 2 3 4 5 6 7 Davis, Brigadier General Charles R. "F-35 Program Brief". USAF, 26 September 2006.
86. ^"JSF Suite: BRU-67, BRU-68, LAU-147 – Carriage Systems: Pneumatic Actuated, Single Carriage".{{dead link|date=November 2013}} es.is.itt.com, 2009.
87. ^1 Digger, Davis. "JSF Range & Airspace Requirements" {{webarchive|url=https://web.archive.org/web/20081219205327/http://www.dtic.mil/ndia/2007targets/Day1/Davisday1.pdf |date=19 December 2008 }}. Headquarters Air Combat Command, Defense Technical Information Center, 30 October 2007.
88. ^1 Donald, David. "Terma Highlights F-35 Multi-Mission Pod". AINonline, 11 July 2012.
89. ^1 {{cite web |url=https://www.gov.uk/government/news/411-million-investment-in-new-missile-for-uks-new-jets-sustains-700-uk-jobs/ |title=£411 million investment in new missile for UK's new jets sustains 700 UK jobs |date=18 March 2016 |publisher=UK Ministry of Defence}}
90. ^{{cite web |url=http://www.janes360.com/images/assets/853/47853/the_UK_s_SPEAR_Cap_3_air-to-surface_weapon.pdf |title=Aimpoint selection: the UK's SPEAR Cap 3 air-to surface weapon |date=18 March 2016 |publisher=IHS}}
91. ^1 Lake 2010, pp. 37–45.
92. ^[https://web.archive.org/web/20090223163759/http://www.lockheedmartin.com/products/f35/f-35-variants/f-35b-stovl-variant.html "F-35B STOVL Variant"]. Lockheed Martin. Retrieved 25 November 2010.
93. ^"Small Diameter Bomb II – GBU-53/B" {{Webarchive|url=https://web.archive.org/web/20150227082514/http://www.defense-update.com/products/s/sdb_2_25082010.html# |date=27 February 2015 }}. Defense Update. Retrieved 28 August 2010.
94. ^{{cite web |url=http://www.marketwatch.com/story/raytheon-us-air-force-complete-small-diameter-bomb-ii-fit-check-on-f-35-aircraft-2013-01-22 |title=Raytheon, US Air Force complete Small Diameter Bomb II fit check on F-35 aircraft |work=marketwatch.com |date=22 January 2013 |accessdate=24 May 2014 |archiveurl=https://web.archive.org/web/20131219021537/http://www.marketwatch.com/story/raytheon-us-air-force-complete-small-diameter-bomb-ii-fit-check-on-f-35-aircraft-2013-01-22 |archivedate=19 December 2013 |deadurl=yes |author1=The U.S. Air Force |author2=Raytheon Company |lastauthoramp=yes |publisher=PRNewswire}}
95. ^F-35B Internal Weapons Bay Can't Fit Required Load Of Small Diameter Bomb IIs – Insidedefense.com, 25 February 2015
96. ^1 Trimble, Stephen. "MBDA reveals clipped-fin Meteor for F-35". {{webarchive |url=https://web.archive.org/web/20100921000829/http://www.flightglobal.com/articles/2010/09/17/347416/picture-mbda-reveals-clipped-fin-meteor-for-f-35.html |date=21 September 2010 }} Flight International, 7 November 2010.
97. ^"F-35 Lightning II News: ASRAAM Config Change For F-35". f-16.net, 4 March 2008.
98. ^Tran, Pierre. "MBDA Shows Off ASRAAM". Defense News, 22 February 2008.
99. ^"Important cooperative agreement with Lockheed Martin". Kongsberg Defence & Aerospace, 9 June 2009.
100. ^Trimble, Stephen. "Raytheon gets DARPA boost for AMRAAM, HARM replacement". {{webarchive |url=https://web.archive.org/web/20101108145333/http://www.flightglobal.com/articles/2010/11/04/349306/raytheon-gets-darpa-boost-for-amraam-harm-replacement.html |date=8 November 2010 }} Flight International, 4 November 2010.
101. ^Reed, John. "Minuteman III Follow-On Being Eyed, Nukes for JSF Delayed". DoD Buzz, 6 April 2011.
102. ^Muradian, Vego. [https://web.archive.org/web/20121015151001/http://www.defensenewstv.com/video.php?bctid=1897052351001 "The Future of the U.S. Nuclear Enterprise"]. Defense News, 14 October 2012.
103. ^{{cite web |url=http://www.nti.org/gsn/article/nuclear-security-and-omnibus-legislation-whats-and-whats-down/ |title=Nuclear Security and Omnibus Legislation: What's Up and What's Down |last1=Guarino |first1=Douglas P. |date=16 January 2014 |website= nti.org |publisher=Global Security Newswire |accessdate=16 January 2014}}
104. ^{{cite web|url=http://www.militarytimes.com/article/20140117/NEWS04/301170014 |title=Schwartz: Move away from nuclear F-35 |last1=Mehta |first1=Aaron |date=17 January 2014 |website=militarytimes.com |publisher=Gannett Government Media |accessdate=17 January 2014 |deadurl=yes |archiveurl=https://web.archive.org/web/20140203014928/https://www.militarytimes.com/article/20140117/NEWS04/301170014 |archivedate=3 February 2014 |df=dmy }}
105. ^{{cite web|url=http://www.airforcemag.com/DRArchive/Pages/2014/March%202014/March%2017%202014/Nuclear-Lightning.aspx |title=Nuclear Lightning |work=airforcemag.com |date=17 March 2014 |accessdate=24 May 2014 |first=John A. |last=Tirpak |publisher=Air Force Association |location=Arlington, VA |archiveurl=https://web.archive.org/web/20140525022806/http://www.airforcemag.com/DRArchive/Pages/2014/March%202014/March%2017%202014/Nuclear-Lightning.aspx |archivedate=25 May 2014 |deadurl=no |df=dmy }}
106. ^Fulghum, David A. [https://web.archive.org/web/20040626050316/http://www.aviationnow.com/content/publication/awst/20020708/aw32.htm "Lasers being developed for F-35 and AC-130"]. Aviation Week and Space Technology, 8 July 2002.
107. ^Morris, Jefferson. [https://web.archive.org/web/20040604124353/http://www.aviationnow.com/avnow/news/channel_military.jsp?view=story&id=news%2Fmasd0926.xml "Keeping cool a big challenge for JSF laser, Lockheed Martin says"]. Aerospace Daily, 26 September 2002.
108. ^Fulghum, David A. [https://web.archive.org/web/20040613094437/http://www.aviationnow.com/content/publication/awst/20020722/aw173.htm "Lasers, HPM weapons near operational status"]. Aviation Week and Space Technology, 22 July 2002.
109. ^[https://www.flightglobal.com/news/articles/lockheed-considering-laser-weapon-concepts-for-f-35-417416/ Lockheed considering laser weapon concepts for F-35] – Flightglobal.com, 5 October 2015
110. ^{{cite web|url=http://www.aviationweek.com/Article.aspx?id=/article-xml/AW_05_20_2013_p24-579062.xml |title=High-Speed Strike Weapon To Build On X-51 Flight |last1=Norris |first1=Guy |date=20 May 2013 |website= aviationweek.com |publisher=Aviation Week |accessdate=26 May 2013 |deadurl=yes |archiveurl=https://web.archive.org/web/20130520230214/https://www.aviationweek.com/Article.aspx?id=%2Farticle-xml%2FAW_05_20_2013_p24-579062.xml |archivedate=20 May 2013 |df=dmy }}
111. ^USAF chief keeps sights on close air support mission – Flightglobal.com, 15 February 2015
112. ^Long Road Ahead For Possible A-10 Follow-On – Aviationweek.com, 24 March 2015
113. ^{{cite news |url=http://www.cnn.com/2016/04/09/politics/a-10-warthog-replacement/ |title=Air Force looking to replace A-10 Warthog |last1=Browne |first1=Ryan |date=9 April 2016 |website= cnn.com |publisher=CNN |accessdate=9 April 2016}}
114. ^"F-35 Joint Strike Fighter (JSF) Lightning II". GlobalSecurity.org. Retrieved 16 November 2010.
115. ^1 Butler, Amy. "New Stealth Concept Could Affect JSF Cost". Aviation Week, 17 May 2010. Retrieved 5 June 2010. {{dead link|date=June 2016|bot=medic}}{{cbignore|bot=medic}}
116. ^"USAF FY00 activity on the JSF". {{webarchive |url=https://web.archive.org/web/20110723171357/http://www.dote.osd.mil/pub/reports/FY2000/airforce/00jsf.html |date=23 July 2011 }} U.S. Director, Operational Test & Evaluation. Retrieved: 17 l 2012.
117. ^"F-35 Norwegian Executive Summary". {{webarchive |url=https://web.archive.org/web/20121012064324/http://www.regjeringen.no/upload/FD/Temadokumenter/JSF_RBI-svar.pdf |date=12 October 2012 }} Lockheed Martin, April 2008.
118. ^1 Bolsøy, Bjørnar. "F-35 Lightning II status and future prospects". f-16.net, 17 September 2009. Retrieved 23 November 2009.
119. ^Hehs, Eric. "JSF Diverterless Supersonic Inlet". Code One Magazine. Retrieved 28 December 2012.
120. ^"Fast History: Lockheed's Diverterless Supersonic Inlet Testbed F-16" {{webarchive |url=https://web.archive.org/web/20130907000042/http://aviationintel.com/2012/10/22/fast-history-lockheeds-diverterless-supersonic-inlet-testbed-f-16/ |date=7 September 2013 }} aviationintel.com, 13 January 2013
121. ^Capaccio, Tony. [https://www.bloomberg.com/news/2011-05-04/lockheed-martin-s-f-35-fighter-jet-passes-initial-stealth-hurdle.html "Lockheed Martin’s F-35 Fighter Jet Passes Initial Stealth Hurdle"]. Bloomberg News, 4 May 2011.
122. ^{{cite web|url=http://breakingdefense.com/2015/03/threat-data-biggest-worry-for-f-35as-ioc-but-it-will-be-on-time/|title=Threat Data Biggest Worry For F-35A’s IOC; But It ‘Will Be On Time’|work=Breaking Defense|accessdate=31 March 2015}}
123. ^Clark, Colin.   Breaking Defense, 6 June 2014.
124. ^Ralston, J; Heagy, J; et al. "Environmental/Noise Effects on UHF/VHF UWB SAR". dtic.mil, September 1998. Retrieved: 2 January 2015.
125. ^Plopsky, Guy and Fabrizio Bozzato. "The F-35 vs. The VHF Threat". The Diplomat, 21 August 2014.
126. ^F-35 – Beyond Stealth – Defense-Update.com, 14 June 2015
127. ^{{cite web |url=http://www.defenseworld.net/news/5268/Lockheed_Martin_wins__13_million_contract_for_Strike_Fighter_aircraft_from_US_Air_Force#.VKuy_HuxXP4 |title=Lockheed Martin wins $13 million contract for Strike Fighter aircraft from US Air Force|work=defenseworld.net |date=22 November 2010 |accessdate=6 January 2014}}
128. ^Brewer, Jeffrey and Shawn Meadows. "Survivability of the Next Strike Fighter", p. 23. Aircraft Survivability: Susceptibility Reduction via Joint Aircraft Survivability Program Office (JASPO), Summer 2006.
129. ^1 Alaimo, Carol Ann. "Noisy F-35 Still Without A Home". Arizona Daily Star, 30 November 2008. Retrieved 23 November 2009.
130. ^Moore, Mona. "Val-P to sue the Air Force". Northwest Florida Daily News, 19 February 2009, Volume 63, Number 20, p. A1.
131. ^Barlow, Kari C. "Val-p wants Okaloosa to reimburse F-35 legal fees". thedestinlog.com, 16 April 2010. {{webarchive |url=https://web.archive.org/web/20120405042733/http://www.thedestinlog.com/news/legal-28112-nwfdn-fees-okaloosa.html |date=5 April 2012 }}
132. ^Nicholson, Brendan. "Noise triggers legal bid to down jet fighter". The Australian, 12 April 2011.
133. ^Perrett, Bradley. "F-35 May Need Thermal Management Changes". Aviation Week, 12 March 2009. Retrieved 23 November 2009. {{dead link|date=June 2016|bot=medic}}{{cbignore|bot=medic}}
134. ^[https://docs.google.com/viewer?a=v&q=cache:0yIuRIMUDwcJ:www.f-16.net/f-16_forum_download-id-11481.html+F-35+acoustics+test&hl=en&gl=us&pid=bl&srcid=ADGEESgfOwRZ9Cjk22IknVc6me97wPUsleYuw0aMTdia4Djkgx1C9hhiMOuSU_O7s1I8aaIh_NhSvO0kZlrK_05iNQvB_iCtyQWQ7d4uPEYz4oCoC6efEnxiqD1xkpsZ952kVNoAxgyE&sig=AHIEtbTRsgZXOeGUg90opGYn6e-msBU02w "Joint Communications Release, JSF Program Office & Lockheed Martin. Subject: F-35 Acoustics Based on Edwards AFB Acoustics, Test"]. JSF Program Office & Lockheed Martin, April 2009. Retrieved 15 January 2011.
135. ^Alaimo, Carol Ann. "Noisy F-35 could affect thousands, study finds". Arizona Daily Star, 13 June 2012.
136. ^{{cite web |url=http://www.defensenews.com/article/20140409/DEFREG02/304090026 |archive-url=https://archive.is/20140409131749/http://www.defensenews.com/article/20140409/DEFREG02/304090026 |dead-url=yes |archive-date=9 April 2014 |title=F-35 Forcing Navy To Develop New Hearing Protection For Flight Deck Crews |last1=MYERS |first1=MEGHANN |date=9 April 2014 |website= defensenews.com |publisher=Gannett Government Media |accessdate=9 April 2014}}
137. ^F-35Bs No Louder than F/A-18 Super Hornets – Defensetech.org, 25 November 2014
138. ^{{cite web|url=http://wordlesstech.com/2012/07/19/lockheed-martins-f-35-lightning-ii-most-advanced-cockpit/|title="Lockheed Martin’s F-35 Lightning II most advanced cockpit" at wordlesstech.com|work=wordlessTech}}
139. ^Goebel, Greg. "The Lockheed Martin F-35 Joint Strike Fighter (JSF)". vectorsite.net. Retrieved 23 November 2009. {{webarchive |url=https://web.archive.org/web/20120622162234/http://www.vectorsite.net/avf35.html |date=22 June 2012 }}
140. ^Schutte, John. "Researchers fine-tune F-35 pilot-aircraft speech system". {{webarchive |url=https://web.archive.org/web/20160423232632/http://www.afmc.af.mil/news/story.asp?id=123071564 |date=23 April 2016 }} US Air Force, 10 October 2007.
141. ^"Joint Helmet Mounted Cueing System". Boeing. Retrieved 23 November 2009.
142. ^"Martin-Baker". {{webarchive |url=https://web.archive.org/web/20081021165256/http://www.jsf.org.uk/JSF-UK-Industry-Team/Martin-Baker.aspx |date=21 October 2008 }} JSF. Retrieved 23 November 2009.
143. ^"JSF" Martin-Baker. Retrieved 23 November 2009.
144. ^{{cite news |url=http://www.defensenews.com/story/breaking-news/2015/10/14/f-35s-heavier-helmet-complicates-ejection-risks/73922710/ |title=F-35's Heavier Helmet Complicates Ejection Risks |last1=Seligman |first1=Lara |date=14 October 2015 |website= defensenews.com |publisher=TEGNA |accessdate=15 October 2015}}
145. ^Peladeau, Jean. [https://lfpress.com/news/canada/2012/05/11/19748046.html "Pilots worry about F-35 oxygen system"]. QMI Agency, 11 May 2012.
146. ^Bennett, John T. [https://www.usnews.com/news/blogs/dotmil/2012/05/24/f-22s-oxygen-issues-raise-questions-about-f-35 "F-22's Oxygen Issues Raise Questions About F-35"]. {{webarchive|url=https://web.archive.org/web/20120525051539/http://www.usnews.com/news/blogs/dotmil/2012/05/24/f-22s-oxygen-issues-raise-questions-about-f-35 |date=25 May 2012 }} US News, 24 May 2012.
147. ^{{cite web|url=http://www.azcentral.com/story/news/local/glendale/2017/06/20/f-35-flight-suspension-luke-afb-ends-cause-hypoxia-not-found/410946001/|title=F-35 flight suspension at Luke AFB ends; cause of hypoxia not found|publisher=|accessdate=21 June 2017}}
148. ^"VSI's Helmet Mounted Display System flies on Joint Strike Fighter". {{webarchive|url=https://web.archive.org/web/20110817153107/http://www.rockwellcollins.com/news/page8813.html|date=17 August 2011}} Rockwell Collins, 2007. Retrieved 8 June 2008.
149. ^{{cite interview |first=Eric |subject=George |interviewer= |title=F-35 avionics: an interview with the Joint Strike Fighter's director of mission systems and software |url=http://www.militaryaerospace.com/articles/print/volume-21/issue-5/news/news/f-35-avionics__an.html |date=1 May 2010 |work=Military & Aerospace Electronics |publisher=PennWell Corporation |volume=21 |issue=5 |accessdate=27 November 2014}}
150. ^"APG-81 (F-35 Lightning II)". {{webarchive|url=https://web.archive.org/web/20130123033148/http://www.es.northropgrumman.com/solutions/f35aesaradar/ |date=23 January 2013 }} Northrop Grumman Electronic Systems. Retrieved 4 August 2007.
151. ^"Lockheed Martin Missiles and Fire Control: Joint Strike Fighter Electro-Optical Targeting System". Lockheed Martin. Retrieved 11 April 2008. {{webarchive |url=https://web.archive.org/web/20090106235314/http://www.lockheedmartin.com/products/JointStrikeFighterElectroOpticalTar/ |date=6 January 2009 }}
152. ^Scott, William B. "Sniper Targeting Pod Attacks From Long Standoff Ranges". Aviation Week, 3 October 2004. Retrieved 23 November 2009. {{webarchive |url=https://web.archive.org/web/20120415042219/http://www.aviationweek.com/aw/generic/story_generic.jsp?channel=awst&id=news/10044top.xml |date=15 April 2012 }}
153. ^Pappalardo, Joe. "How an F-35 Targets, Aims and Fires Without Being Seen".{{dead link|date=November 2013}} Popular Mechanics, December 2009. Retrieved: 6 April 2010.
154. ^{{cite web |url=http://www.asiapacificdefencereporter.com/articles/19/Electronic-Warfare-Australias-mixed-record |title=Electronic Warfare: Australia's mixed record | Australian Defence News & Articles |publisher=Asia Pacific Defence Reporter |accessdate=24 February 2013 |archive-url=https://web.archive.org/web/20130613042603/http://www.asiapacificdefencereporter.com/articles/19/Electronic-Warfare-Australias-mixed-record |archive-date=13 June 2013 |dead-url=yes |df=dmy-all }}
155. ^{{cite web |url=http://www.asiapacificdefencereporter.com/articles/217/Electronic-Warfare |archive-url=https://web.archive.org/web/20130613042258/http://www.asiapacificdefencereporter.com/articles/217/Electronic-Warfare |dead-url=yes |archive-date=13 June 2013 |title=Electronic Warfare | Australian Defence News & Articles |publisher=Asia Pacific Defence Reporter |accessdate=24 February 2013 }}
156. ^[https://www.flightglobal.com/news/articles/lockheed-reveals-advanced-eots-targeting-sensor-for-416631/ Lockheed reveals Advanced EOTS targeting sensor for F-35 Block 4] – Flightglobal.com, 10 September 2015
157. ^"F-35 Distributed Aperture System (EO DAS)". Northrop Grumman. Retrieved 6 April 2010.
158. ^"JSF EW Suite". {{webarchive|url=https://web.archive.org/web/20100918011209/http://www.istockanalyst.com/article/viewnewspaged/articleid/3442641/pageid/2 |date=18 September 2010 }} istockanalyst.com. Retrieved 23 November 2009.
159. ^{{cite web|last=Tirpak |first=John A |title=Slow Climb for the F-35 |url=http://www.airforce-magazine.com/MagazineArchive/Documents/2012/October%202012/1012slow.pdf |publisher=AIR FORCE Magazine |accessdate=3 October 2012 |page=42 |date=October 2012 |deadurl=yes |archiveurl=https://web.archive.org/web/20121120161246/https://www.airforce-magazine.com/MagazineArchive/Documents/2012/October%202012/1012slow.pdf |archivedate=20 November 2012 |df=dmy }}
160. ^{{cite news |url=https://defense-update.com/20101102_das_missile_track.html |title=Distributed Aperture System Tracks Ballistic Missiles from 1,300 km Away |last1=Eshel |first1=Noam |date=2 November 2010 |website=defense-update.com |publisher=Defense Update |accessdate=18 December 2018}}
161. ^{{cite web |url=http://www.militaryaerospace.com/articles/print/volume-14/issue-5/features/special-report/f-35-jet-fighters-to-take-integrated-avionics-to-a-whole-new-level.html |title=F-35 jet fighters to take integrated avionics to a whole new level |date=1 May 2003 |work=Military & Aerospace Electronics |publisher=PennWell Corporation |accessdate=27 November 2014}}
162. ^1 2 Nativi, Andy. "F-35 Air Combat Skills Analyzed". Aviation Week, 5 March 2009. {{webarchive|url=https://web.archive.org/web/20101226061121/http://www.aviationweek.com/aw/generic/story_channel.jsp?channel=defense&id=news%2FF35-030509.xml |date=26 December 2010 }}
163. ^"Israel, US Negotiate $450 Million F-35I Avionic Enhancements" {{Webarchive|url=https://web.archive.org/web/20120730093546/http://defense-update.com/20120727_israel-us-negotiate-450-million-f-35i-avionic-enhancements.html# |date=30 July 2012 }}. Defense Update, 27 July 2012.
164. ^1 Sherman, Ron. "F-35 Electronic Warfare Suite: More Than Self-Protection". aviationtoday.com, 1 July 2006. Retrieved 22 August 2010.
165. ^{{cite web |url=http://www.af.mil/News/ArticleDisplay/tabid/223/Article/473499/program-executive-officer-describes-f-35-progress.aspx |title=Program executive officer describes F-35 progress |last1=Lyle |first1=Amaani |date=6 March 2014 |website= af.mil |publisher=American Forces Press Service |accessdate=6 March 2014}}
166. ^{{cite web|url=https://journal.thecsiac.com/issue/53/158 |title=Hey C and C++ Can Be Used In Safety Critical Applications Too! |work=Journal.thecsiac.com |date=11 February 2001 |accessdate=24 February 2013}}
167. ^1 {{cite web |last=McHale |first=John |url=http://www.militaryaerospace.com/articles/print/volume-21/issue-2/news/news/f-35-joint-strike-fighter-leverages-cots-for-avionics-systems.html |title=F-35 Joint Strike Fighter leverages COTS for avionics systems|date=1 February 2010 |work=Military & Aerospace Electronics |publisher=PennWell Corporation |accessdate=27 November 2014}}
168. ^Warwick, Graham. "Flight Tests Of Next F-35 Block Underway". Aviation Week, 12 June 2010. Retrieved 12 June 2010. {{dead link|date=June 2016|bot=medic}}{{cbignore|bot=medic}}
169. ^Cox, Bob. "Pentagon officials to meet to address F-35 program's problems". Star-Telegram, 21 November 2010. {{webarchive |url=https://web.archive.org/web/20101122044240/http://www.star-telegram.com/2010/11/21/2649040/pentagon-officials-to-meet-to.html |date=22 November 2010 }}
170. ^Reed, John. "Schwartz Concerned About F-35A Delays". DoD buzz, 23 November 2010.
171. ^Sweetman, Bill. "More F-35B Delays, Software Schedule At Risk". Aviation Week, 13 January 2011.
172. ^David A. Fulghum, Bill Sweetman, Bradley Perrett and Robert Wall. "Stealthy Chinese J-20 Vulnerable". Aviation Week, 14 January 2011.
173. ^Fulghum, David. "New Plan: NGJ To Go Unmanned". Aviation Week, 25 January 2012.
174. ^{{cite web|url=http://www.avionics-intelligence.com/articles/2013/06/ai-f35-fpgas.html|title=Tens of thousands of Xilinx FPGAs to be supplied by Lockheed Martin for F-35 Joint Strike Fighter avionics.|publisher=}}
175. ^{{cite news|url=http://www.wantchinatimes.com/news-subclass-cnt.aspx?id=20140725000012&cid=1101&MainCatID=0 |title=Japan needs to close bargain F-35 deal quickly |date=25 July 2014 |website=wantchinatimes.com |accessdate=24 July 2014 |df= }}{{dead link|date=August 2017|bot=medic}}{{cbignore|bot=medic}}
176. ^Pawlikowski On Air Force Offset Strategy: F-35s Flying Drone Fleets – Breakingdefense.com, 15 December 2014
177. ^[https://www.youtube.com/user/F35JSFVideos#play/uploads/7/CwvnhFgzIKI "F-35 Distributed Aperture System EO DAS"]. YouTube. Retrieved 23 November 2009.
178. ^{{cite web|url=https://gizmodo.com/260482/f+35-helmet-display-system-to-scare-the-bejeezus-out-of-enemies|title=F-35 Helmet Display System To Scare the Bejeezus Out of Enemies.|work=Gizmodo}}
179. ^{{cite news|last1=Davenport|first1=Christian|title=Meet the most fascinating part of the F-35: The $400,000 helmet|url=https://www.washingtonpost.com/news/checkpoint/wp/2015/04/01/meet-the-most-fascinating-part-of-the-f-35-the-400000-helmet/|website=WashingtonPost.com|accessdate=August 2, 2015}}
180. ^1 "JSF: the first complete ‘OODA Loop’ aircraft". Australian Defence Business Review, December 2006, p. 23.
181. ^Warwick, Graham. "Lockheed Weighs Alternate F-35 Helmet Display". Aviation Week, 21 April 2011.
182. ^[https://archive.is/20130128074847/http://www.marketwatch.com/story/lockheed-martin-selects-bae-systems-to-supply-f-35-joint-strike-fighter-jsf-helmet-display-solution-2011-10-10 "Lockheed Martin Selects BAE Systems to Supply F-35 Joint Strike Fighter (JSF) Helmet Display Solution"]. BAE Systems, 10 October 2011.
183. ^Szondy, David. "BAE Systems to provide new helmet display for F-35 pilots". Gizmag, 21 October 2011.
184. ^Carey, Bill. "BAE Drives Dual Approach To Fixing F-35 Helmet Display Issues". AINonline . 15 February 2012.
185. ^1 {{cite web|url=http://www.flightglobal.com/news/articles/f-35-jpo-drops-development-of-bae-alternative-helmet-391623/ |title=F-35 JPO drops development of BAE alternative helmet |work=flightglobal.com |date=10 October 2013 |accessdate=29 April 2014 |first=Dave |last=Majumdar |archiveurl=https://web.archive.org/web/20140429220250/http://www.flightglobal.com/news/articles/f-35-jpo-drops-development-of-bae-alternative-helmet-391623/ |archivedate=29 April 2014 |deadurl=no |df=dmy }}
186. ^[https://web.archive.org/web/20120430225851/http://www.dailymarkets.com/stock/2011/11/17/lockheed-martin-awards-f-35-contract/ "Lockheed Martin Awards F-35 Contract"]. Zacks Investment Research, 17 November 2011.
187. ^Jean, Grace V. "New Sensor Aims to Give F-35 Pilots a ‘Window Into the Night’". {{webarchive|url=https://web.archive.org/web/20110721122642/http://www.nationaldefensemagazine.org/archive/2011/August/Pages/NewSensorAimstoGiveF-35Pilotsa%E2%80%98WindowIntotheNight%E2%80%99.aspx |date=21 July 2011 }} National Defense Magazine, August 2011.
188. ^[https://www.reuters.com/article/2012/10/30/lockheed-fighter-helmet-idUSL5E8LUJ4320121030 "Lockheed Cites Good Reports on Night Flights of F-35 Helmet"]. Reuters.com, 30 October 2012.
189. ^{{cite news|url=https://www.reuters.com/article/2013/08/29/lockheed-fighter-testing-idUSL2N0GU03Z20130829|title=U.S. Marines see progress in F-35 testing despite challenges.|work=Reuters | date=29 August 2013}}
190. ^{{cite web |url=http://insidedefense.com/Inside-the-Navy/Inside-the-Navy-09/02/2013/f-35b-pilots-conduct-night-shipboard-landing-without-night-vision/menu-id-81.html |title=F-35B Pilots Conduct Night Shipboard Landing Without Night-Vision |date=9 February 2013 |website=Inside the Navy |publisher=Inside Washington Publishers |accessdate=19 September 2013}}{{dead link|date=July 2016}}
191. ^{{cite web|url=http://www.businessinsider.com/damning-report-on-f-35s-dogfighting-problems-2015-7|title=Damning report on F-35's dogfighting problems – Business Insider|date=2 July 2015|work=Business Insider|accessdate=31 July 2015}}
192. ^"F-35, Maintenance and the Challenge of Service Standardization" {{Webarchive|url=https://web.archive.org/web/20110704140548/http://www.sldinfo.com/?p=18843 |date=4 July 2011 }}. Second Line of Defense, 9 June 2011.
193. ^Hawkins, Dan. "F-35 maintenance training spawns USMC's first air FTD". USMC, 27 July 2012.
194. ^Clark, Colin. "Why Lockheed Thinks F-35 Beats Boeing's F-18". {{webarchive|url=https://web.archive.org/web/20111107070211/http://defense.aol.com/2011/11/03/why-lockheed-thinks-f-35-beats-boeings-f-18 |date=7 November 2011 }} Aol Defense, 3 November 2011.
195. ^"US Air Force praises early performance of Lockheed Martin F-35".Flightglobal.com, 6 November 2012.
196. ^Majumdar, Dave. "Stealth isn’t becoming obsolete anytime soon". Flight International, 30 November 2012. Retrieved 1 December 2012.
197. ^{{cite web | url=http://www.dote.osd.mil/pub/reports/FY2014/pdf/dod/2014f35jsf.pdf | title=FY 2014 Programs: F-35 Joint Strike Fighter (JSF) |date=15 January 2015 | publisher=The Office of The Director, Operational Test And Evaluation (DOT&E)}}
198. ^"Mighty F-35 Lightning II Engine Roars to Life". Lockheed Martin, 20 September 2006.
199. ^[https://www.teamjsf.com/jsf/data.nsf/7074259f3965fd0985256f43007b0964/7f70d66a0aaef181852573540049ead4?OpenDocument "F-35 First Flight"].{{dead link|date=November 2013}} TeamJSF.com. Retrieved 10 October 2007.
200. ^"News Breaks: F-35B Engages Stovl Mode". Aviation Week, 11 January 2010, p. 15.
201. ^Wolf, Jim. [https://www.reuters.com/article/2010/03/18/us-lockheed-fighter-idUSTRE62H4WF20100318 "F-35 fighter makes first vertical landing"]. Reuters, 18 March 2010.
202. ^Cavas, Christopher P. "F-35B STOVL fighter goes supersonic". {{webarchive |url=https://web.archive.org/web/20110714034433/http://www.marinecorpstimes.com/news/2010/06/dn_jsf_supersonic_061410/ |date=14 July 2011 }} Marine Corps Times, 15 June 2010.
203. ^[https://www.pbs.org/wgbh/nova/transcripts/3004_xplanes.html "X-planes".] PBS: Nova transcript. Retrieved 9 January 2010.
204. ^Majumdar, Dave. [https://archive.is/20120908093025/http://www.navytimes.com/news/2011/01/marine-f-35-lockheed-says-key-issue-is-fixed-011011w/ "Lockheed says it’s fixed key F-35B issue"]. Defense News, 10 January 2011.
205. ^{{cite web|url=http://www.flightglobal.com/news/articles/lockheed-addresses-pentagon-f-35-dote-report-381218/ |title=Lockheed addresses Pentagon F-35 DOT&E report |work=Flight International |date=18 January 2013}}
206. ^{{cite news |url=https://www.bloomberg.com/news/2014-02-21/lockheed-f-35-for-marines-delayed-as-test-exposes-cracks.html |title= Lockheed F-35 for Marines Delayed as Test Exposes Cracks |last1=Capaccio |first1=Tony |date=21 February 2014 |publisher=Bloomberg |accessdate=21 February 2014}}
207. ^Sweetman, Bill. "Get out and fly" {{Webarchive|url=https://web.archive.org/web/20090818084354/http://www.zinio.com/reader.jsp?issue=416083334 |date=18 August 2009 }}. Defense Technology International, June 2009, pp. 43–44.
208. ^1 Cox, Bob. "Internal Pentagon memo predicts that F-35 testing won't be complete until 2016". Fort Worth Star Telegram, 1 March 2010.
209. ^Capaccio, Tony. "Lockheed F-35 Purchases Delayed in Pentagon’s Fiscal 2011 Plan". {{webarchive |url=https://web.archive.org/web/20100110005120/http://www.businessweek.com/news/2010-01-06/lockheed-f-35-purchases-delayed-in-pentagon-s-fiscal-2011-plan.html |date=10 January 2010 }} Bloomberg BusinessWeek, 6 January 2010.
210. ^Bennett, John T. [https://archive.is/20120904025817/http://www.defensenews.com/story.php?i=4559411&c=POL&s=TOP "Carter: More U.S. Programs To Get JET Treatment"]. defensenews.com, 29 March 2010.
211. ^Thompson, Loren B. "F-35 Cost Rise Is Speculative, But Progress Is Real". lexingtoninstitute.org, 12 March 2010.
212. ^"Senate Armed Services Committee Holds Hearing on President Obama's Fiscal 2011 Budget Request for the F-35 Joint Strike Fighter Program" {{webarchive|url=https://web.archive.org/web/20100509050158/http://startelegram.typepad.com/files/sasc-mar-11-final-transcript-carter_gilmore_fox.rtf |date=9 May 2010 }}. Congressional Record via startelegram.typepad.com, 11 March 2010.
213. ^"USAF Disputes Navy F-35 Cost Projections". Aviation Week. Retrieved 3 July 2010.
214. ^Grant, Greg "JSF Production "Turned The Corner". dodbuzz.com. Retrieved 15 April 2010.
215. ^Rolfsen, Bruce. [https://wayback.archive-it.org/all/20110402220229/http://www.airforcetimes.com/news/2010/05/airforce_force_structure_051610W/ "Jobs to change with focus on irregular warfare"]. Army Times Publishing Company, 16 May 2010.
216. ^Warwick, Graham. "In-flight Failure Halts F-35 Flight Tests". Av Leak, 11 March 2011.
217. ^Cavas, Christopher P. "All F-35s Cleared To Resume Flight Tests".{{dead link|date=July 2016}} DefenseNews, 25 March 2011.
218. ^Branch, Ricardo, Army Sgt. "Northern Edge fields new radar system". {{webarchive |url=https://web.archive.org/web/20131027014134/http://www.jber.af.mil/news/story.asp?id=123156090 |date=27 October 2013 }} Northern Edge Joint Information Bureau, 8 March 2012.
219. ^Saiki, Lt. Col. Tracey. "Continued testing of F-35 JSF sensors a success at Northern Edge 2011". Af.mil. Retrieved 18 April 2012.
220. ^Trimble, Stephen. [https://archive.is/20130123080701/http://www.flightglobal.com/articles/2011/08/03/360325/f-35-fleet-grounded-after-electrical-subsystem-failure.html "F-35 fleet grounded after electrical subsystem failure"].{{dead link|date=July 2016}} Flight International, 3 August 2011.
221. ^Majumdar, Dave. [https://archive.is/20130121144218/http://www.defensenews.com/story.php?i=7289794&c=AME&s=AIR "F-35s Grounded After Power Package Fails"]. Defense News, 3 August 2011.
222. ^"Statement on JPO Reinstituting Ground Operations for the F-35 Program". Joint Strike Fighter Program Office, 10 August 2011.
223. ^[https://archive.is/20130121141605/http://www.defensenews.com/story.php?i=7358985&c=AME&s=AIR "F-35 Fleet Cleared For Ground Operations"]. Defense News, 10 August 2011.
224. ^Lerman, David. [https://www.bloomberg.com/news/2011-08-18/air-force-lifts-flight-ban-on-lockheed-f-35-fighter-jet-1-.html "Air Force Lifts Flight Ban on Lockheed F-35 Fighter Jet"]. Bloomberg News, 18 August 2011.
225. ^[https://www.reuters.com/article/2013/02/25/us-lockheed-fighter-honeywell-idUSBRE91O11V20130225 "Honeywell to test some F-35 parts after smoke incident"]. Reuters.
226. ^"F-35 JSF Flight Test Update". Defense Tech, 4 November 2011.
227. ^1 Norris, Guy. "F-35A pushes to Mach 1.6". Aviation Week & Space Technology, 9 December 2011.
228. ^F-35A Completes 3-Year Clean Wing Flutter Testing Program Lockheed press release, 11 February 2013
229. ^"F-35B completes air start testing at Edwards AFB". Flight International, 4 September 2012.
230. ^Majumdar, Dave. [https://archive.is/20130102142244/http://www.defensenews.com/apps/pbcs.dll/article?AID=2012301170010 "F-35C Tailhook Design Blamed for Landing Issues"]. Defense News, 17 January 2012.
231. ^{{cite web |url=http://news.usni.org/2013/12/12/lockheed-new-carrier-hook-f-35 |title=Lockheed: New Carrier Hook for F-35 |last1=Majumdar |first1=Dave |date=12 December 2013 |website=usni.org |publisher=U.S. NAVAL INSTITUTE |accessdate=12 December 2013}}
232. ^"F-35B completes first sea trials on USS Wasp". navair.navy. Retrieved: 17 July 2012.
233. ^"F-35A releases first air-launched weapon". Flight International, 17 October 2012.
234. ^"F-35A Completes First AIM-120 Amraam Internal Weapons Release". Lockheed Martin press release, 22 October 2012.
235. ^"F-35C Lightning II Hits Weapons Testing Milestone". Globalsecurity.org, 30 November 2012.
236. ^[https://www.f35.com/news/detail/f-35a-completes-first-in-flight-missile-launch/ "F-35A Completes First In-Flight Missile Launch"]. Lockheed Martin, 7 June 2013.
237. ^Majumdar, Dave. "MCAS Yuma receives(sic) first operational F-35B". Flight International, 17 November 2012.
238. ^Time magazine, 25 February 2013, pp. 26–30, "The Most Expensive Weapon Ever Built", by Mark Thompson; restriction on vertical landings cited on page 28.
239. ^{{cite web|title=Marine Corps' first operational F-35B conducts initial Vertical Landing|url=http://www.hqmc.marines.mil/News/News-Article-Display/Article/553377/marine-corps-first-operational-f-35b-conducts-initial-vertical-landing/|website=Marines|publisher=United States Marine Corps|accessdate=1 April 2018}}
240. ^[https://www.f35.com/news/detail/f-35b-completes-first-vertical-takeoff/ "F-35B Completes First Vertical Takeoff"]. Lockheed Martin, 20 May 2013.
241. ^{{cite web|url=http://www.airrecognition.com/index.php?option=com_content&task=view&id=782 |title=Naval fighter aircraft F-35B STOVL for U.S. Marine Corps completes 500th vertical landing |work=airrecognition.com |date=7 August 2013 |accessdate=24 May 2014 |author= |archiveurl=https://web.archive.org/web/20140525023419/http://www.airrecognition.com/index.php?option=com_content&task=view&id=782 |archivedate=25 May 2014 |deadurl=no |df=dmy }}
242. ^{{cite web|url=http://www.flightglobal.com/news/articles/f-35b-grounded-after-fueldraulic-line-failure-381264/ |title=F-35B grounded after fueldraulic line failure |work=flightglobal.com |date=18 January 2013 |accessdate=24 May 2014 |first=Dave |last=Majumdar |publisher=Reed Business Information |archiveurl=https://web.archive.org/web/20140525030852/http://www.flightglobal.com/news/articles/f-35b-grounded-after-fueldraulic-line-failure-381264/ |archivedate=25 May 2014 |deadurl=no |df=dmy }}
243. ^{{cite web|url=http://www.dodbuzz.com/2013/01/29/pentagon-crimped-line-caused-f-35b-grounding/ |title=Pentagon: Crimped line caused F-35B grounding |work=dodbuzz.com |date=29 January 2013 |accessdate=24 May 2014 |first=Michael |last=Hoffman |archiveurl=https://web.archive.org/web/20140525031140/http://www.dodbuzz.com/2013/01/29/pentagon-crimped-line-caused-f-35b-grounding/ |archivedate=25 May 2014 |deadurl=no |df=dmy }}
244. ^{{cite web|url=http://www.flightglobal.com/news/articles/engineers-discover-culprit-behind-f-35b-fueldraulic-line-failure-381574/ |title=Engineers discover culprit behind F-35B fueldraulic line failure. |work=Flight International |date=28 January 2013 |accessdate=24 February 2013}}
245. ^{{cite news|url=http://www.militarytimes.com/article/20130213/NEWS/302130306/Pentagon-clears-F-35B-to-resume-test-flights |title=Pentagon clears F-35B to resume test flights |work=militarytimes.com |date=13 February 2013 |accessdate=24 May 2014 |first=Aaron |last=Mehta |others=Image credit: Lockheed Martin |agency=The Associated Press |archiveurl=https://web.archive.org/web/20140525031424/http://www.militarytimes.com/article/20130213/NEWS/302130306/Pentagon-clears-F-35B-to-resume-test-flights |archivedate=25 May 2014 |deadurl=yes |df=dmy }}
246. ^{{cite news |url=https://www.bbc.co.uk/news/world-us-canada-21554331 |title= F-35 fighter jet fleet grounded by Pentagon |publisher=BBC |accessdate=23 February 2013 |date=22 February 2013}}
247. ^Mount, Mike. "Military Clears F-35 Joint Strike Fighter to Fly" {{webarchive|url=https://web.archive.org/web/20160305005929/http://myfox8.com/2013/03/01/military-clears-f-35-joint-strike-fighter-to-fly/ |date=5 March 2016 }}. CNN, 1 March 2013.
248. ^"F-35s cleared to resume flight operations". Flight International, 28 February 2013.
249. ^{{cite web | url=http://www.navy.mil/submit/display.asp?story_id=84456 | title=F-35C Completes First Night Flight Aboard Aircraft Carrier | publisher=US Navy | date=13 November 2014 | accessdate=2014-11-28}}
250. ^{{cite web | url=http://www.airforcetimes.com/story/military/2015/06/05/air-force-investigation-june-2014-f35-fire/28535269/ | title=AF investigation: Catastrophic engine failure caused F-35 fire | publisher=Airforce News | date=5 June 2015 | accessdate=5 June 2015}}
251. ^{{cite news|last1=Majumdar|first1=Dave|last2=Kjelgaard|first2=Chris|url=http://nationalinterest.org/feature/f-35-needs-bigger-more-powerful-engine-12491|title=F-35 Needs a Bigger, More Powerful Engine|work=The National Interest|date=27 March 2015|accessdate=29 July 2016}}
252. ^{{cite news| title='F-35 Tests British Paveway IV Bomb'| url=http://awin.aviationweek.com/AWINLogin/tabid/1083/Default.aspx?returnurl=%2fArticlesStory.aspx%3fid%3dd5f973b4-2217-4450-98df-4519bf7ac35e| accessdate=24 June 2015| newspaper=Aviation Week| date=19 June 2015}}
253. ^{{cite web|url=http://news.nationalpost.com/news/better-five-years-late-than-never-u-s-marines-finally-ready-to-declare-f-35b-ready-for-limited-combat-duty|title=Better five years late than never: U.S. Marines finally ready to declare F-35B ready for limited combat duty|author1=Tony Capaccio |author2=Julie Johnsson |author3=Bloomberg News |date=31 July 2015|work=National Post|accessdate=31 July 2015}}
254. ^{{cite web|url=https://www.washingtonpost.com/news/checkpoint/wp/2015/09/15/pentagon-weapons-tester-calls-f-35-evaluation-into-question|title=Pentagon weapons tester calls F-35 evaluation into question|author=Christian Davenport|date=15 September 2015|work=Washington Post|accessdate=29 September 2015}}
255. ^{{cite web|url=http://aviationweek.com/defense/netherlands-tanker-cleared-refuel-f-35? |title=Netherlands Tanker Cleared To Refuel F-35 |date=11 April 2016 |work=Aviation Week}}
256. ^{{cite web|url=https://www.f35.com/news/detail/israel-declares-f-35i-adir-combat-capable|title=Israel Declares F-35I Adir Combat Capable – F-35 Lightning II|website=F-35 Lightning II|accessdate=9 December 2017}}
257. ^Schwellenbach, Nick. "Concerns Regarding Plans for the Joint Strike Fighter to Begin Training Flights and Conduct an Operational Utility Evaluation". POGO, 31 October 2011. {{webarchive |url=https://web.archive.org/web/20121030071648/http://www.pogo.org/resources/national-security/dod-memo-concerns-regarding-jsf-operational-utility-evaluation-training-flights.html |date=30 October 2012 }}
258. ^"U.S. Senators Press Panetta to Review F-35 Training Safety". {{webarchive |url=https://web.archive.org/web/20120113195802/http://www.businessweek.com/news/2011-12-09/u-s-senators-press-panetta-to-review-f-35-training-safety.html |date=13 January 2012 }} Bloomberg News, 9 December 2011.
259. ^Capaccio, Tony. [https://archive.is/20130118154612/http://www.businessweek.com/news/2012-09-28/air-force-expands-f-35-trials-over-tester-s-objections "Air Force Expands F-35 Trials Over Tester’s Objections"]. Bloomberg BusinessWeek, 28 September 2012.
260. ^Shalal-Esa, Andrea. "USMC Near Start Of F-35 Training Flights". Aviation Week. 27 February 2012. {{dead link|date=June 2016|bot=medic}}{{cbignore|bot=medic}}
261. ^[https://web.archive.org/web/20130802014635/http://www.af.mil/news/story.asp?id=123291745 "Air Force issues flight release for Eglin AFB F-35A]" www.af.mil. 28 February 2012. Retrieved 5 May 2012
262. ^Majumdar, Dave. "First Air National Guard pilot starts transition to F-35". Flight Magazine, 17 July 2012.
263. ^"Eglin F-35s fly 200th sortie". Flight International, 24 August 2012.
264. ^"Pentagon's Testing Czar Questions F-35 Program's OTE Plan". {{webarchive|url=https://web.archive.org/web/20120831025218/http://defense.aol.com/2012/08/28/pentagons-testing-czar-questions-f-35-programs-ote-plan/ |date=31 August 2012 }} Aol Defense, 28 August 2012.
265. ^Shalal-Esa, Andrea. [https://www.reuters.com/article/2012/09/11/us-lockheed-fighter-idUSBRE88A04A20120911 "More problems raised at Pentagon F-35 fighter review"]. Reuters, 10 September 2012.
266. ^Majumdar, Dave. "USAF to start F-35 operational utility evaluation on 10 September". Flight International, 7 September 2012.
267. ^Majumdar, Dave. "F-35 operational utility evaluation proceeding smoothly". Flightglobal.com, 1 October 2012.
268. ^{{cite web|url=http://www.flightglobal.com/news/articles/usaf-unit-completes-f-35-oue-activity-379117/ |title=USAF unit completes F-35 OUE activity |work=flightglobal.com |date=16 November 2012 |accessdate=24 May 2014 |first=Dave |last=Majumdar |others=Image Credit: Lockheed Martin |publisher=Reed Business Information |archiveurl=https://web.archive.org/web/20140525031901/http://www.flightglobal.com/news/articles/usaf-unit-completes-f-35-oue-activity-379117/ |archivedate=25 May 2014 |deadurl=no |df=dmy }}
269. ^Majumdar, Dave. "Simulation plays vital role in building F-35 tactics and aircraft development". Flight International, 21 November 2012.
270. ^Majumdar, Dave. "US Air Force praises early performance of Lockheed Martin F-35". Flight International, 6 November 2012.
271. ^"F-35 pilot training starts next month at Eglin>" Militarytimes.com, 17 December 2012.
272. ^1 {{cite news|last1=Hennigan|first1=William J.|title=U.S. military grounds all F-35 jets after fire at Florida base |url=http://www.latimes.com/business/aerospace/la-fi-f-35-fire-grounded-20140626-story.html |publisher=The Los Angeles Times |date=26 June 2014 |accessdate=2 July 2014}}
273. ^1 {{cite news|last1=Hennigan|first1=William J.|title=F-35 fighter jets to resume flights after fire led to grounding|url=http://www.latimes.com/business/la-fi-f35-plane-fire-20140625-story.html|accessdate=2 July 2014|publisher=The Los Angeles Times|date=24 June 2014}}
274. ^1 {{cite web|last1=Butler|first1=Amy|title=Blade 'Rubbing' At Root of F-35A Engine Fire|url=http://aviationweek.com/farnborough-2014/blade-rubbing-root-f-35a-engine-fire|website=Aviation Week|publisher=Penton Media|accessdate=14 July 2014}}
275. ^1 {{cite news |url=http://intercepts.defensenews.com/2014/07/breaking-f-35-cleared-for-flight-2/?sf3711164=1 |archive-url=https://archive.today/20140717195727/http://intercepts.defensenews.com/2014/07/breaking-f-35-cleared-for-flight-2/?sf3711164=1 |dead-url=yes |archive-date=17 July 2014 |title=BREAKING: F-35 Cleared For Flight |last1=Mehta |first1=Aaron |date=15 July 2014 |website=defensenews.com |publisher=Defense News |accessdate=15 July 2014 }}
276. ^{{cite news |url=http://breakingdefense.com/2014/07/no-f-35s-coming-to-farnborough-safety-first-says-secdef-hagel/ |title= NO F-35s Coming To Farnborough; Safety First, Says SecDef Hagel |last1=Clark |first1=Colin |date=15 July 2014 |website=breakingdefense.com |publisher=Breaking Media, Inc. |accessdate=15 July 2014}}
277. ^[https://archive.is/20140717195739/http://www.defensenews.com/article/20140715/DEFREG02/307150027 "Pentagon: F-35 Will Not Go to Farnborough"]. Defense News
278. ^{{cite web|url=http://www.businessinsider.com/f-35-slaughters-competition-red-flag-2017-2|title=The F-35 slaughtered the competition in its latest test|work=businessinsider.com|accessdate=22 February 2017}}
279. ^"Military plans to send jets to S.C., N.C., Calif., Ariz". The Associated Press, 9 December 2010, Susanne M. Schafer.
280. ^1 2 3 4 Daniel, Lisa. "Plan Improves Navy, Marine Corps Air Capabilities". {{webarchive |url=https://web.archive.org/web/20110529052624/http://www.defense.gov/news/newsarticle.aspx?id=63158 |date=29 May 2011 }} American Forces Press Service, 14 March 2011.
281. ^1 2 Cavas, Christopher P. "More Marines to fly carrier-variant JSFs". {{webarchive |url=https://web.archive.org/web/20110428154152/http://www.marinecorpstimes.com/news/2011/03/navy-more-marines-to-fly-f35c-031411w/ |date=28 April 2011 }} Marine Corps Times, 14 March 2011.
282. ^{{cite web|url=http://www.158fw.ang.af.mil/news/story.asp?id=123401944/ |title=Feature – VTANG first Air Guard Base to receive F-35A |first=Capt. Dyana |last=Allen |work=af.mil |accessdate=24 November 2016 |deadurl=yes |archiveurl=https://web.archive.org/web/20160119122927/http://www.158fw.ang.af.mil/news/story.asp?id=123401944%2F |archivedate=19 January 2016 |df= }}
283. ^{{cite web|url=http://www.deagel.com/news/First-of-144-F-35A-Lightning-II-Stealth-Jets-Arrives-at-Luke-AFB_n000012469.aspx |title=First of 144 F-35A Lightning II Stealth Jets Arrives at Luke AFB |work=deagel.com |date=11 March 2014 |accessdate=24 May 2014 |author= |archiveurl=https://web.archive.org/web/20140525034824/http://www.deagel.com/news/First-of-144-F-35A-Lightning-II-Stealth-Jets-Arrives-at-Luke-AFB_n000012469.aspx |archivedate=25 May 2014 |deadurl=no |df=dmy }}
284. ^{{cite web|url=http://www.af.mil/News/ArticleDisplay/tabid/223/Article/473693/first-f-35-lightning-ii-arrives-at-luke-afb |title=First F-35 Lightning II arrives at Luke AFB > U.S. Air Force > Article Display |work=af.mil |date=11 March 2014 |accessdate=24 May 2014 |author= U.S. Air Force |others=Image credits: U.S. Air Force photo/Jim Hazeltine, 2xU.S. Air Force photo/Staff Sgt. Darlene Seltmann |archiveurl=https://web.archive.org/web/20140525035117/http://www.af.mil/News/ArticleDisplay/tabid/223/Article/473693/first-f-35-lightning-ii-arrives-at-luke-afb |archivedate=25 May 2014 |deadurl=yes |df=dmy }}
285. ^"RAF Lakenheath was selected as the first base to host USAFE F-35s". The Aviationist, Retrieved 13 January 2015.
286. ^[https://www.reuters.com/article/us-lockheed-f35-israel/israel-says-it-is-the-first-country-to-use-u-s-made-f-35-in-combat-idUSKCN1IN0ON "Israel says it is the first country to use U.S.-made F-35 in combat".]. Reuters, 22 May 2018.
287. ^[https://theaviationist.com/?p=55011 Everything We Know (And Don’t Know) About Israel Launching World’s First Air Strikes Using The F-35 Stealth Aircraft] The Aviationist, 22 May 2018.
288. ^[https://www.haaretz.com/israel-news/this-is-the-israeli-army-s-photo-of-an-f-35-over-beirut-1.6114446 A Message of Superiority: This Is the Israeli Army's Photo of an F-35 Over Beirut] Yaniv Kubovich 23 May 2018, Haaretz
289. ^{{cite web |url= https://www.yahoo.com/news/lockheed-f-35-jet-used-u-combat-first-170619430--finance.html |title=F-35 jet used by U.S. in combat for first time |publisher= yahoo.com |date= |accessdate=27 September 2018}}
290. ^{{cite news|url=https://www.reuters.com/article/2014/06/27/lockheed-fighter-engine-idUSL2N0P818G20140627|title=Engine pieces found on runway after F-35 fire – sources|last1=Shalal|first1=Andrea|date=27 June 2014|work=Reuters.Com|accessdate=2 July 2014|publisher=Thomson Reuters|agency=Reuters|issue=US Edition}}
291. ^{{cite web|url=http://www.defensenews.com/article/20140713/SHOWSCOUT15/307130026/Kendall-Fan-Blade-Rubbing-Cause-F-35-Fire|archive-url=https://archive.is/20140806185545/http://www.defensenews.com/article/20140713/SHOWSCOUT15/307130026/Kendall-Fan-Blade-Rubbing-Cause-F-35-Fire|dead-url=yes|archive-date=6 August 2014|title=Kendall: Fan-Blade Rubbing Cause of F-35 Fire|work=Defense News|accessdate=21 September 2014}}
292. ^{{cite journal|last1=Malenic|first1=Marina|title=Pentagon releases report on F-35 engine failure|journal=IHS Jane's Defence Weekly|date=17 June 2015|volume=52|issue=24|page=13}}
293. ^{{cite web |url=https://www.stripes.com/news/us/f-35b-lightning-ii-fighter-jet-crashes-pilot-ejects-in-south-carolina-1.549535 |title=F-35B Lightning II fighter jet crashes, pilot ejects in South Carolina |publisher= |work=Stripes.com |accessdate=28 September 2018}}
294. ^{{Cite news|url=https://www.washingtonpost.com/world/national-security/f-35-crashes-for-the-first-time-in-the-jets-17-year-history-pilot-ejects-safely/2018/09/28/9faaeff4-c341-11e8-8f06-009b39c3f6dd_story.html|title=F-35 crashes for the first time in the jet’s 17-year history, pilot ejects safely|last=Sonne|first=Paul|date=2018-09-28|work=The Washington Post|access-date=2018-12-08}}
295. ^{{cite web |last1=Macias |first1=Amanda |last2=Breuninger |first2=Kevin |title=Pentagon grounds Lockheed Martin's F-35 jets after South Carolina crash |url=https://www.cnbc.com/2018/10/11/pentagon-grounds-all-f-35in-wake-of-south-carolina-crash.html |publisher=CNBC |accessdate=16 December 2018}}
296. ^"F-35 Joint Strike Fighter (JSF) Lightning II – International Partners". Global Security. Retrieved 7 April 2010.
297. ^Merle, Renae. [https://www.washingtonpost.com/wp-dyn/articles/A38236-2005Mar15.html "GAO Questions Cost Of Joint Strike Fighter"]. The Washington Post, 15 March 2005.
298. ^"Estimated JSF Air Vehicle Procurement Quantities". JSF.mil, Updated as of April 2010.
299. ^Tae-hoon, Lee. [https://www.koreatimes.co.kr/www/news/nation/2012/03/205_106346.html "Seoul fears delivery delays of F-35 jets"]. The Korea Times, 6 March 2012.
300. ^"F-35 Lightning: The Joint Strike Fighter Program, 2012". Defense Industry Daily, 30 October 2012.
301. ^[https://www.teamjsf.com/jsf/data.nsf/75public/07CF737749FA9E5585256F3900720288?OpenDocument "JSF Global Partners"]. {{webarchive |url=https://web.archive.org/web/20071004212446/https://www.teamjsf.com/jsf/data.nsf/75public/07CF737749FA9E5585256F3900720288?OpenDocument |date=4 October 2007 }} teamjsf.com. Retrieved 30 March 2007.
302. ^"US, UK sign JAST agreement". Aerospace Daily New York: McGraw-Hill, 25 November 1995, p. 451.
303. ^Schnasi, Katherine V. "Joint Strike Fighter Acquisition: Observations on the Supplier Base". US Accounts Office. Retrieved 8 February 2006.
304. ^"Industry Canada F-35 Joint Strike Fighter (JSF) Canada's Next Generation Fighter Capability". {{webarchive |url=https://web.archive.org/web/20100922154022/http://www.ic.gc.ca/eic/site/ad-ad.nsf/eng/ad03863.html |date=22 September 2010}} ic.gc.ca. Retrieved 25 November 2010.
305. ^Combat Aircraft Monthly, September 2010, p. 24.
306. ^{{Cite news|url=https://www.reuters.com/article/us-singapore-airshow-lockheed/singapore-seriously-evaluating-future-f-35-jet-purchase-lockheed-exec-idUSKBN1FS10R|title=Singapore 'seriously evaluating' future F-35 jet purchase -...|last=Editorial|first=Reuters|work=U.S.|access-date=2018-06-28|language=en-US}}
307. ^{{Cite news|url=https://www.straitstimes.com/singapore/decision-on-f-16-fighter-jet-replacement-likely-in-next-few-months-ng-eng-hen|title=Decision on F-16 fighter jet replacement likely in next few months: Ng Eng Hen|last=hermesauto|date=2018-06-30|work=The Straits Times|access-date=2018-06-30|language=en}}
308. ^[https://www.bbc.co.uk/news/world-asia-16259895 "US Lockheed Martin F-35 chosen as Japan fighter jet"]. BBC News, 20 December 2011. Retrieved: 20 December 2011.
309. ^[https://www.reuters.com/article/2012/02/23/turkey-f35-lockheed-idUSL5E8DN2IM20120223 "Update 1-Turkey keeps plan to buy 100 F-35 fighter jets"]. Reuters, 23 February 2012.
310. ^"Turkey plans to buy 100 F-35 jet fighters". {{webarchive |url=https://web.archive.org/web/20120521004950/http://www.turkishpress.com/news.asp?id=378853#.T-xxLsr4JfA |date=21 May 2012 }} turkishpress.com, 24 February 2012.
311. ^"Turkey to Buy Two Planes in Second F-35 Shipment". {{webarchive|url=https://web.archive.org/web/20131219015047/http://www.turkishweekly.net/news/141212/turkey-to-buy-two-planes-in-second-f-35-shipment.html |date=19 December 2013 }} turkishweekly.net, 4 September 2012.
312. ^Harper, Tim. [https://www.thestar.com/news/canada/politics/article/1131391--tim-harper-the-conservatives-and-their-f-35-fairy-tale "Tim Harper: The Conservatives and their F-35 fairy tale"]. Toronto Star, 14 February 2012.
313. ^Vasarri, Chiara. [https://archive.is/20130118143224/http://www.businessweek.com/news/2012-02-15/italy-to-cut-f-35-fighter-jet-orders-as-part-of-defense-revamp.html "Italy to Cut F-35 Fighter Jet Orders as Part of Defense Revamp"]. Bloomberg Business Week, 14 February 2012.
314. ^Postmedia News. "A timeline on Canada's involvement in the F-35 program". {{webarchive|url=https://web.archive.org/web/20120410034623/http://www.canada.com/timeline%2BCanada%2Binvolvement%2Bprogram/6419249/story.html |date=10 April 2012 }} Canada.com, 5 April 2012.
315. ^[https://www.theglobeandmail.com/news/video/video-mps-hold-mackay-to-account-in-f-35-scandal/article2392358/ "Video: MPs hold Mackay to account in F-35 scandal"] {{webarchive|url=https://web.archive.org/web/20120406082755/http://www.theglobeandmail.com/news/video/video-mps-hold-mackay-to-account-in-f-35-scandal/article2392358/ |date=6 April 2012 }}. The Canadian Press via The Globe and Mail, 4 April 2012.
316. ^Coyne, Andrew. "Peeling back the layers of misconduct in the F-35 fiasco". {{webarchive |url=https://archive.is/20130104003959/http://fullcomment.nationalpost.com/2012/04/04/andrew-coyne-the-f-35-affair-is-a-fiasco-from-top-to-bottom/ |date=4 January 2013 }} National Post, 4 April 2012.
317. ^"The F-35 Fiasco". CBC News, 5 April 2012.
318. ^Stewart, Brian. "Super-costly F-35s, a global wrecking ball". Canadian Broadcasting Corporation, 13 December 2012.
319. ^{{cite web|url=http://aviationweek.com/blog/canada-cancels-f-35-procurement|title=Canada cancels F-35 procurement|website=aviationweek.com|accessdate=22 March 2018}}
320. ^{{cite news|url=http://www.hurriyetdailynews.com/f-35-project-to-earn-turkey-12-billion.aspx?pageID=238&nid=46581&NewsCatID=345 |title=F-35 project to ‘earn Turkey $12 billion’ |work=Hurriyetdailynews.com |date=13 September 2011 |accessdate=30 May 2013 |author= |agency=Reuters |others=Image credit: Reuters |archiveurl=https://web.archive.org/web/20140525035843/http://www.hurriyetdailynews.com/f-35-project-to-earn-turkey-12-billion.aspx?pageID=238&nid=46581&NewsCatID=345 |archivedate=25 May 2014 |deadurl=no |df=dmy }}
321. ^{{cite web|url=http://www.i4u.com/2013/05/lockheed-martin-f-35-lightning-ii/turkey-f-35-12-project-billion-earn |title=F-35 project to ‘earn Turkey $12 billion’ |work=I4u.com |date=9 May 2013 |accessdate=30 May 2013 }}{{dead link|date=April 2017|bot=medic}}{{cbignore|bot=medic}}
322. ^{{cite web | url=http://www.defensenews.com/article/20141124/DEFREG01/311240016/UK-Confirms-First-F-35-Orders | archive-url=http://webarchive.loc.gov/all/20141126042621/http://www.defensenews.com/article/20141124/DEFREG01/311240016/UK-Confirms-First-F-35-Orders | dead-url=yes | archive-date=26 November 2014 | title=UK Confirms First F-35 Orders | publisher=DefenseNews | date=24 Nov 2014 | accessdate=2014-11-28}}
323. ^{{cite web |last1=Manson |first1=Katrina |last2=Pitel |first2=Laura |title=US Senate blocks F-35 sales to Turkey |url=https://www.ft.com/content/d3c7492c-7346-11e8-b6ad-3823e4384287 |website= ft.com |publisher=Financial Times |accessdate=19 June 2018}}
324. ^{{Cite web|url=https://www.channelnewsasia.com/news/singapore/singapore-f-35-fighter-jet-replace-f-16-rsaf-lockheed-11139654|title=Singapore identifies F-35 fighter jet to replace F-16s, expects to buy ‘small number’ for full testing|website=Channel NewsAsia|language=en|access-date=2019-01-18}}
325. ^Pike, John. "F-35A Joint Strike Fighter". Globalsecurity.org. Retrieved 23 November 2009.
326. ^"Flying The F-35: An Interview With Jon Beesley, F-35 Chief Test Pilot" {{webarchive|url=https://web.archive.org/web/20141218222032/http://www.lockheedmartin.com/aeronautics/afa/beesley-interview.html |date=18 December 2014 }}. lockheedmartin.com. Retrieved 25 November 2010.
327. ^Hebert, Adam J. "Lightning II: So Far, So Good". {{webarchive |url=https://web.archive.org/web/20090221095128/http://www.airforce-magazine.com/MagazineArchive/Pages/2007/July%202007/0707lightning.aspx |date=21 February 2009 }} airforce-magazine.com, Air Force Association, Volume 90, Issue 7, July 2007. Retrieved 3 December 2008.
328. ^Laurenzo, Ron. "Air Force: No Plan To Retire A-10". GlobalSecurity.org, Defense Weekly, 9 June 2003. Retrieved 3 December 2008.
329. ^Waldron, Greg. "IN FOCUS: Tokyo casts wary eye on Chinese airpower developments". Flight International, 2 August 2012.
330. ^"F-35s face communication problems in Arctic". The Canadian Press, 23 October 2011.
331. ^Ewing, Philip. "Lockheed’s comprehensive Q&A on the F-35". DoD Buzz, 19 June 2012.
332. ^{{cite web|url= http://www.defensemedianetwork.com/stories/first-royal-netherlands-air-force-f-35-pilot-takes-flight/ |title= First Royal Netherlands Air Force F-35 Pilot Takes Flight |work= defensemedianetwork.com |accessdate=21 January 2014}}
333. ^1 {{cite web|url=http://www.codeonemagazine.com/article.html?item_id=138|title=Cold Stops|publisher=}}
334. ^{{cite web|website=Military Embedded Systems|url=http://mil-embedded.com/news/f-35a-lightning-ii-declared-combat-ready-by-air-force/|title=F-35A Lightning II declared combat ready by Air Force|date=2016-08-02}}
335. ^{{cite web|website=Defense News|url=http://www.defensenews.com/story/breaking-news/2016/08/02/f35-ioc-air-force-operational-acc-combat/87948142/|title=Air Force Declares F-35A Ready for Combat|date=2016-08-02}}
336. ^{{cite book|last =Jennings |first=Gareth |title=UK to decide on future variants at 'appropriate time'|date=13 July 2017|publisher= Janes Defence Weekly|volume= LIV|page= XXIX|accessdate=20 July 2017}}
337. ^{{cite web|last=Jennings|first=Gareth|title=UK to decide on future variants at 'appropriate time'|url=http://www.janes.com/article/72277/uk-to-decide-on-future-f-35-variant-at-appropriate-time|date=13 July 2017|publisher=Janes Defence Weekly|accessdate=20 July 2017|archive-url=https://web.archive.org/web/20170718161151/http://www.janes.com/article/72277/uk-to-decide-on-future-f-35-variant-at-appropriate-time|archive-date=18 July 2017|dead-url=yes|df=dmy-all}}
338. ^{{cite web|last=Haynes|first=Deborah|title=RAF set to scale back on F35 Supersonic Jets For Royal Navy Aircraft Carriers|url=https://www.thetimes.co.uk/article/raf-set-to-scale-back-on-supersonic-f-35bs-jets-for-royal-navy-aircraft-carriers-5wm0nzfmx|date=24 June 2017|publisher=The Times|accessdate=24 June 2017}}
339. ^Hancock, Ben D. "The STOVL Joint Strike Fighter in Support of the 21st Century Marine Corps". USMC, 1997.
340. ^{{cite web |url=http://www.usace-isc.org/presentation/Geotech%20and%20Materials%20II/Constructability_of_a_High_Temperature_Concrete_Pad_Bly_Peter.pdf |archive-url=https://web.archive.org/web/20120425045722/http://www.usace-isc.org/presentation/Geotech%20and%20Materials%20II/Constructability_of_a_High_Temperature_Concrete_Pad_Bly_Peter.pdf |dead-url=yes |archive-date=25 April 2012 |title=Constructability of a High Temperature Concrete Pad |work=usace-isc.org|publisher=Geotechnical & Structures Laboratory US Army Engineer Research & Development Center (ERDC) |date=14 June 2011 |accessdate=15 April 2014 |first=Peter |last=Bly}}
341. ^Sweetman, Bill. "Numbers Crunch: True cost of JSF program remains to be seen" {{Webarchive|url=https://web.archive.org/web/20090304162824/http://www.zinio.com/express3?issue=368748439 |date=4 March 2009 }}. Defense Technology International, February 2009, p. 22.
342. ^"F-35 HMDS Pulls the Gs". Defense Industry Daily, 25 October 2007.
343. ^Norris, Guy. "Pilot reaction to flying the F-35B" Aviation Week & Space Technology, 24 April 2014. Accessed: 15 September 2014. [https://web.archive.org/web/20140727190007/http://aviationweek.com/blog/pilot-reaction-flying-f-35b Archived] on 27 September 2014
344. ^Norris, Guy and Graham Warwick. "F-35B First Flight Boosts JSF as F-22 Loses Supporters". Aviation Week, 15 June 2008.
345. ^{{cite news| last=Alison| first=George| title='F-35B successfully performs first launch from ski-jump'|url=https://ukdefencejournal.org.uk/f-35b-successfully-performs-first-launch-from-ski-jump/|accessdate=24 June 2015| newspaper=UK Defense Journal| date=24 June 2015}}
346. ^"F-35B STOVL-mode Flight". defenceaviation.com. Retrieved 25 November 2010.
347. ^"Custom tool to save weeks in F-35B test and evaluation". Naval Air Systems Command, 6 May 2011.
348. ^{{cite web|last1=Gady|first1=Franz-Stefan|title=Finally! U.S. Marine Corps Declares F-35B Operational|url=https://thediplomat.com/2015/08/finally-u-s-marine-corps-declares-f-35b-operational/|website=thediplomat.com|publisher=James Pach|accessdate=3 March 2018}}
349. ^{{cite web|url=http://www.flightglobal.com/news/articles/us-marine-corps-aviation-branch-plans-to-invest-in-fighter-jets-helicopters-transports-and-225796/ |title=US Marine Corps aviation branch plans to invest in fighter jets, helicopters, transports and UAVs |work=Flight International |publisher=Reed Business Information |date=21 July 2008 |accessdate=15 April 2014 |first=Stephen |last=Trimble |archiveurl=https://web.archive.org/web/20140416041356/http://www.flightglobal.com/news/articles/us-marine-corps-aviation-branch-plans-to-invest-in-fighter-jets-helicopters-transports-and-225796/ |archivedate=16 April 2014 |deadurl=no |df=dmy }}
350. ^{{cite web|url=http://www.aviationweek.com/Blogs.aspx?plckBlogId=Blog%3A27ec4a53-dcc8-42d0-bd3a-01329aef79a7&plckPostId=Blog%3A27ec4a53-dcc8-42d0-bd3a-01329aef79a7Post%3A27103ee8-d867-4e32-a619-92297fa29cf3 |title=About That Austere-Base Thing... |work=aviationweek.com |date=11 March 2010 |accessdate=15 April 2014 |first=Bill |last=Sweetman |archiveurl=https://web.archive.org/web/20140416040527/http://www.aviationweek.com/Blogs.aspx?plckBlogId=Blog%3A27ec4a53-dcc8-42d0-bd3a-01329aef79a7&plckPostId=Blog%3A27ec4a53-dcc8-42d0-bd3a-01329aef79a7Post%3A27103ee8-d867-4e32-a619-92297fa29cf3 |archivedate=16 April 2014 |deadurl=yes |df=dmy }}
351. ^Diamant, Aaron. [https://archive.is/20120806003330/http://yuma.usmc.mil/desertwarrior/2011/12/22/feature1.html "JSF construction lands another first"]. USMC, 22 December 2011.
352. ^Majumdar, Dave. [https://archive.is/20120724094828/http://www.defensenews.com/story.php?i=6613888 "U.S. Military May Deploy F-35 Before Formal IOC"]. Defense News, 24 May 2011.
353. ^Majumdar, Dave. "USAF: F-35B cannot generate enough sorties to replace A-10". Flight Magazine, 16 May 2012.
354. ^Pew, Glenn. "Pentagon May Cancel STOVL Version of F-35". AvWeb, January 2011.
355. ^Cox, Bob. "F-35 started with recipe for trouble, analysts say". Star Telegram, 29 January 2011.
356. ^Ewing, Philip. "Lockheed: Many F-35B landings won’t be vertical". DoD Buzz, 7 June 2011.
357. ^{{cite news|url=https://www.bloomberg.com/news/2013-09-17/f-35-fighter-s-tires-wear-out-too-soon-pentagon-finds.html|title=F-35 Fighter’s Tires Wear Out Too Soon, Pentagon Finds.|date=17 September 2013|work=Bloomberg L.P.|first=Anthony|last=Capaccio}}
358. ^{{cite web|url=http://www.aviationweek.com/Article.aspx?id=/article-xml/AW_07_15_2013_p42-594937.xml |title=Simulations Offer Marines Advanced F-35B Weapons, Training. |publisher= |deadurl=yes |archiveurl=https://web.archive.org/web/20131022030447/https://www.aviationweek.com/Article.aspx?id=%2Farticle-xml%2FAW_07_15_2013_p42-594937.xml |archivedate=22 October 2013 |df=dmy }}
359. ^Trimble, Stephen. "VIDEO: F-35B completes first shipboard vertical landing". The DEWline, 4 October 2011.
360. ^{{cite news |first=Amy |last=Butler |url=http://aviationweek.com/defense/us-marines-prep-f-35b-ops-trials-uss-wasp |title=U.S. Marines Prep for F-35B Ops Trials on USS Wasp |work=Aviation Week & Space Technology |date=8 April 2015 |accessdate=9 April 2015 }}
361. ^{{cite web|last1=Marshall|first1=Tyrone|title=Panetta Lifts F-35 Fighter Variant Probation|url=http://archive.defense.gov/news/newsarticle.aspx?id=66879|website=archive.defense.gov|publisher=U.S. Department of Defense|accessdate=3 March 2018}}
362. ^{{cite news |first=Amy |last=Butler |url=http://aviationweek.com/blog/f-35b-dt-2-update-few-hours-uss-wasp |title=F-35B DT 2 Update: A few hours on the USS Wasp |work=Aviation Week & Space Technology |date=5 September 2013 |accessdate=4 April 2015 |archiveurl=https://web.archive.org/web/20140903051254/http://aviationweek.com/blog/f-35b-dt-2-update-few-hours-uss-wasp |archivedate=3 September 2014 |deadurl=no}}
363. ^"Major Projects Report 2008". Ministry of Defence. Retrieved 23 November 2009. {{webarchive |url=https://web.archive.org/web/20120807073545/http://www.nao.org.uk/idoc.ashx?docId=c02da1c8-320b-4062-881d-2c24482459b5&version=-1 |date=7 August 2012 }}
364. ^[https://archive.is/20120730180149/http://www.flightglobal.com/articles/2007/06/15/214672/us-marines-eye-uk-jsf-shipborne-technique.html "US Marines eye UK JSF shipborne technique"].{{dead link|date=July 2016}} Flight International, 15 June 2007.
365. ^{{cite news|title=Royal Air Force's No. 617 Squadron to fly F-35B fighter|url=http://www.airforce-technology.com/news/newsroyal-air-forces-no-617-squadron-to-fly-f-35b-fighter|accessdate=23 July 2013|newspaper=Airforce Technology|date=19 July 2013}}
366. ^{{cite news|title=Dambusters to be first Lightning II squadron|url=https://www.gov.uk/government/news/dambusters-to-be-first-lightning-ii-squadron|accessdate=23 July 2013|date=18 July 2013}}
367. ^{{cite web|url=http://www.royalnavy.mod.uk/News-and-Events/Latest-News/2013/September/09/130909-809-Air-Squadron|title=Immortal air squadron to fly Royal Navy’s newest jets- Royal Navy|work=mod.uk|accessdate=21 March 2015}}
368. ^{{cite web |url=http://www.raf.mod.uk/news/archive/third-joint-strike-fighter-for-the-uk-arrives-28062013 |title=Third Joint Strike Fighter for the UK arrives |publisher=RAF |date=28 June 2013 |accessdate=2 August 2013 |archive-url=https://web.archive.org/web/20130701061803/http://www.raf.mod.uk/news/archive/third-joint-strike-fighter-for-the-uk-arrives-28062013 |archive-date=1 July 2013 |dead-url=yes |df=dmy-all }}
369. ^{{cite web |url=http://www.raf.mod.uk/equipment/f35jointstrikefighter.cfm |title=F-35B Lightning II |publisher=RAF |date=26 April 2013 |accessdate=30 May 2013}}
370. ^{{cite web |url=http://australianaviation.com.au/2013/03/uk-announces-f-35b-basing/ |title=UK announces F-35B basing | Australian Aviation Magazine |work=Australianaviation.com.au |date=26 March 2013 |accessdate=31 May 2013}}
371. ^{{cite web |url=http://www.royalnavy.mod.uk/news-and-latest-activity/news/2015/june/25/150625-f35-ski-ramp |title=Navy’s new F-35 jump jet flies from trademark ski ramp for first time|publisher=Royal Navy |date=25 June 2015 |accessdate=6 July 2015}}
372. ^"F-35B on Italian "Cavour" aircraft carrier". Military-today.com, 4 December 2011.
373. ^{{Cite web|url=http://www.parliament.uk/business/publications/written-questions-answers-statements/written-question/Commons/2017-01-17/60456/|title=Military Aircraft:Written question – 60456|website=UK Parliament|language=en|access-date=2017-07-04}}
374. ^Kovach, Gretel C. "Commandant calls Joint Strike Fighter essential". U-T San Diego, 8 December 2010.
375. ^Jean, Grace V. "Marines Question the Utility of Their New Amphibious Warship". {{webarchive|url=https://web.archive.org/web/20101206002321/http://www.nationaldefensemagazine.org/ARCHIVE/2008/SEPTEMBER/Pages/MarinesQuestiontheUtilityof.aspx |date=6 December 2010 }} National Defense Industrial Association, September 2008.
376. ^{{cite news|last=Kerr |first=Julian |date=26 May 2014 |url=http://www.janes.com/article/38374/australia-could-buy-f-35b |title=Australia could buy F-35B |work=IHS Jane's Defence Weekly |accessdate=8 June 2014 |deadurl=yes |archiveurl=https://web.archive.org/web/20140602021021/http://www.janes.com/article/38374/australia-could-buy-f-35b |archivedate=2 June 2014 |df=dmy }}
377. ^{{cite news |last=Butterly |first=Nick |url=https://au.news.yahoo.com/thewest/national/a/23583014/jump-jets-on-defence-radar/ |title=Jump jets on Defence radar |work=The West Australian |publisher=Yahoo7 News |date=17 May 2014 |accessdate=8 June 2014}}
378. ^{{cite journal|last=Kerr |first=Julian |date=22 December 2011 |title=Amphibious ambitions: expanding Australia's naval expectations |journal=Jane's Navy International |publisher=Jane's Information Group}}
379. ^{{cite web |url=http://www.aspistrategist.org.au/lhd-and-stovl-an-engineers-view/ |title=LHD and STOVL: an engineer's view |last=George |first=Steve |date=20 June 2014 |work=The Strategist – The Australian Strategic Policy Institute Blog |publisher=Australian Strategic Policy Institute |accessdate=28 November 2014}}
380. ^{{cite news|url=http://www.news.com.au/national/australian-strategic-policy-institute-raises-doubts-over-abbott-government-plan-to-rebuild-newest-warships/story-fncynjr2-1227128250588 |title=Australian Strategic Policy Institute raises doubts over Abbott Government plan to rebuild newest warships |last=Seidel |first=Jamie |date=19 November 2014 |work=News.com.au |accessdate=28 November 2014}}
381. ^{{cite journal |last=Brabin-Smith |first=Richard |author2=Schreer, Benjamin |date=17 November 2014 |title=Jump jets for the ADF? |journal=Strategic Insights |publisher=Australian Strategic Policy Institute |issue=78 |url=https://www.aspi.org.au/publications/strategic-insights-78-jump-jets-for-the-adf |accessdate=28 November 2014}}
382. ^{{cite news |title=Johnston raises possibility of acquiring F-35Bs |url=http://australianaviation.com.au/2014/05/johnston-raises-possibility-of-acquiring-f-35bs/ |work=Australian Aviation |date=19 May 2014 |accessdate=8 June 2014}}
383. ^{{cite web|url=http://aviationweek.com/defense/australia-abandons-proposal-order-f-35b|title=Australia Abandons Proposal To Order F35B – Defense content from Aviation Week|work=aviationweek.com|accessdate=31 July 2015}}
384. ^{{cite web|url=http://www.afr.com/news/politics/pms-floating-fighter-jet-plan-quietly-sunk-by-defence-20150707-gi6qxj|title=PM's floating fighter jet plan quietly sunk by Defence|work=Financial Review|accessdate=31 July 2015}}
385. ^Marines Propose Rapidly Mobile F-35 Operations – Aviationweek.com, 16 December 2014
386. ^{{cite web|url=https://www.flightglobal.com/news/articles/us-marine-corps-f-35b-makes-first-air-strike-in-afg-452259/|title=US Marine Corps’ F-35B makes first air strike in Afghanistan |publisher=Flightglobal|date=27 September 2018|accessdate=30 September 2018}}
387. ^{{cite news|title=UK declares IOC Land for F-35 force|url=https://www.janes.com/article/85642/uk-declares-ioc-land-for-f-35-force|accessdate=11 January 2019|publisher=IHS Janes|date=11 January 2019}}
388. ^{{cite web|url=https://news.usni.org/2015/01/28/marines-receive-first-f-35c|title=Marines Receive First F-35C|date=28 January 2015|website=usni.org|accessdate=23 March 2019}}
389. ^"F-35C Carrier Variant Joint Strike Fighter (JSF)". GlobalSecurity.org. Retrieved 16 June 2010.
390. ^"F-35 Navy Version Undergoes Successful Design Review, Readies for Production". Lockheed Martin, 7 June 2007. Retrieved 16 June 2010.
391. ^Grant, Rebecca L., PhD "Navy Speeds Up F-35". Lexington Institute, 14 September 2009. Retrieved 20 September 2009.
392. ^"F-35C Lightning II rolled out". {{webarchive |url=https://web.archive.org/web/20090731151548/http://frontierindia.net/f-35c-lightning-ii-rolled-out#more-4226 |date=31 July 2009 }} FrontierIndia.net, 29 July 2009.
393. ^{{cite web|url=http://news.usni.org/2014/11/03/document-2015-u-s-marine-corps-aviation-plan|title=Document: 2015 U.S. Marine Corps Aviation Plan|work=USNI News}}
394. ^Cavas, Christopher P. [https://archive.is/20130121094245/http://www.defensenews.com/story.php?i=6915380&c=AIR&s=TOP "U.S. Navy JSFs Resume Flight Ops After Glitch"]. Defense News, 24 June 2011.
395. ^"Catapult launches F-35C for the first time". {{webarchive|url=https://web.archive.org/web/20141017060039/http://www.navair.navy.mil/index.cfm?fuseaction=home.NAVAIRNewsStory&id=4712 |date=17 October 2014 }} Naval Air Systems Command, 27 July 2011. Retrieved 31 December 2011
396. ^"F-35C completes jet blast deflector testing". {{webarchive|url=https://web.archive.org/web/20141218212655/http://www.navair.navy.mil/index.cfm?fuseaction=home.NAVAIRNewsStory&id=4736 |date=18 December 2014 }} NAVAIR, 22 August 2011. Retrieved 23 August 2011.
397. ^Ewing, Philip. "The future is here: EMALS launches F-35". DODbuzz.com, 28 November 2011.
398. ^{{cite web |url=http://intercepts.defensenews.com/2013/06/us-navy-fleet-squadron-receives-1st-f-35c-jsf/ |title=US Navy Fleet Squadron receives 1st F-35C JSF |work=intercepts.defensenews.com |date=22 June 2013 |accessdate=13 March 2014 |first=Christopher P. |last=Cavas |archiveurl=https://archive.is/20140313221123/http://intercepts.defensenews.com/2013/06/us-navy-fleet-squadron-receives-1st-f-35c-jsf/ |archivedate=13 March 2014 |deadurl=yes |df=dmy-all }}
399. ^{{cite press release|url=http://www.navy.mil/submit/display.asp?story_id=74982 |title=Navy Receives First F-35C Lightning II |work=navy.mil |date=22 June 2013 |accessdate=13 March 2014 |author=Commander, Naval Air Forces Public Affairs |archiveurl=https://web.archive.org/web/20140313220536/http://www.navy.mil/submit/display.asp?story_id=74982 |archivedate=13 March 2014 |deadurl=no |df=dmy }}
400. ^Majumdar, Dave. "US Navy works through F-35C air-ship integration issues". Flight International, 1 October 2012.
401. ^"JSF Engine too big for regular transport at sea". Navy Times, 30 November 2010.
402. ^{{cite news |url=https://online.wsj.com/news/articles/SB10001424052702304181204579365011426340906 |title=Navy F-35 Set For Sea Trials After Tailhook Redesign: Lockheed Says Naval Version On Schedule |work=The Wall Street Journal |date=5 February 2014 |publisher=News Corp |location=New York |issn=0099-9660 |oclc=781541372 |accessdate=24 May 2014 |subscription=yes |first=Doug |last=Cameron}}
403. ^{{cite web |url=http://www.navy.mil/submit/display.asp?story_id=84238 |title=F-35C Completes First Arrested Landing aboard Aircraft Carrier |work=Naval Air Forces, Public Affairs |publisher= US Navy}}
404. ^{{cite web|url=http://news.usni.org/2014/11/03/u-s-navy-version-f-35-lands-carrier-first-time|title= U.S. Navy Version of F-35 Lands on Carrier for First Time |work=USNI News}}
405. ^{{cite web|url=http://www.navy.mil/submit/display.asp?story_id=84481|title=F-35C Completes Initial Sea Trials aboard Aircraft Carrier|work=Naval Air Forces, Public Affairs |date=17 November 2014|accessdate=4 December 2014|publisher=US Navy}}
406. ^{{cite web|url=http://thediplomat.com/2014/01/uavs-and-the-f-35-partners-in-air-power/ |title=UAVs and the F-35: Partners in Air Power? |work=thediplomat.com |date=3 January 2014 |accessdate=24 May 2014 |first=Robert |last=Farley |others=Image Credit: Wikimedia Commons |archiveurl=https://web.archive.org/web/20140525034432/http://thediplomat.com/2014/01/uavs-and-the-f-35-partners-in-air-power/ |archivedate=25 May 2014 |deadurl=no |df=dmy }}
407. ^USN stands up F-35C West Coast Fleet Replacement Squadron, by Gareth Jennings, London – IHS Jane's Navy International, 26 January 2017; retrieved 11 May 2017.
408. ^[https://news.usni.org/2019/02/28/navy-declares-initial-operational-capability-for-f-35c-joint-strike-fighter?fbclid=IwAR3pgfMMQkQbIhrh55idgRztfJxvUNSYBnNkJ3vKSah0-T0q3D6se7rLYQ8 Navy Declares Initial Operational Capability for F-35C Joint Strike Fighter] by Megan Eckstein, USNI News, 28 February, 2019; retrieved 28 February, 2019.
409. ^{{cite web|website=The Times of Israel|url=http://www.timesofisrael.com/jets-name-is-just-plane-awesome/|title=Jet’s name is just plane ‘Awesome’|date=18 April 2013|language=English}}
410. ^{{cite web|website=Lockheed Martin|url=https://www.f35.com/news/detail/israels-first-f-35-lightning-ii-takes-flight|title=Israel’s first F-35 Lightning II takes flight|date=26 July 2016}}
411. ^Ben-David, Alon. "Israel To Buy F-35s With Cockpit Mods". Aviation Week, 27 August 2010. {{dead link|date=June 2016|bot=medic}}{{cbignore|bot=medic}}
412. ^Ben-David, Alon, Amy Butler and Robert Wall. "Israel, U.S. Strike F-35 Technology Deal". Aviation Week, 7 July 2011. Retrieved 8 October 2011. {{dead link|date=June 2016|bot=medic}}{{cbignore|bot=medic}}
413. ^Trimble, Stephen. "Israel sets sights on two-seater F-35". Flight International, 22 January 2010.
414. ^Egozi, Arie. "Israel to boost range of future F-35 fleet". Flight International. 11 January 2008.
415. ^"Israel, U.S. Agree To $450 Million In F-35 EW Work". {{webarchive|url=https://web.archive.org/web/20130510231649/http://www.aviationweek.com/Article.aspx?id=%2Farticle-xml%2FAW_08_06_2012_p28-482027.xml |date=10 May 2013 }} Aviation Week, 6 August 2012.
416. ^{{cite web|url=http://www.flightglobal.com/news/articles/iai-aims-to-complete-f-35-wing-facility-in-mid-2014-389673/ |title=IAI aims to complete F-35 wing facility in mid-2014 |work=flightglobal.com |date=20 August 2013 |publisher=Reed Business Information |accessdate=24 May 2014 |first=Arie |last=Egozi |archiveurl=https://web.archive.org/web/20140525033250/http://www.flightglobal.com/news/articles/iai-aims-to-complete-f-35-wing-facility-in-mid-2014-389673/ |archivedate=25 May 2014 |deadurl=no |df=dmy }}
417. ^{{cite web |url=http://www.timesofisrael.com/israel-readies-for-super-tech-stealth-fighters/ |title=Israel readies for ‘super-tech’ F-35 stealth fighterjets |work=timesofisrael.com |accessdate=13 December 2016}}
418. ^{{cite web |url=http://www.ynetnews.com/articles/0,7340,L-4891983,00.html |title=Israel receives F-35s, first country after USA |work=ynetnews.com |accessdate=13 December 2016}}
419. ^{{cite web |url=http://www.timesofisrael.com/israel-to-buy-an-additional-17-f-35-fighter-planes/ |title=Israel to buy an additional 17 F-35 fighter planes |work=timesofisrael.com |accessdate=13 December 2016}}
420. ^“Adir” in the Sky: The F-35 Arrives in Israel INSS Insight No. 875, December 12, 2016
421. ^{{cite news |last=Kubovich |first=Yaniv |date=22 May 2018 |title=Israel Is First Country in World to Carry Out 'Operational Attack' With the F-35 Stealth Fighter, Air Force Chief Says |url=https://www.haaretz.com/israel-news/iranians-fired-32-rockets-at-israel-during-flare-up-israeli-air-force-1.6110706 |agency=Haaretz}}
422. ^{{cite web |url=http://www.calgarysun.com/news/canada/2010/09/01/15213341.html |title=Harper, Ignatieff spar over fighter jets |work=Calgary Sun |date=1 September 2010 |accessdate=2 March 2014 |first=Brian |last=Daly|archiveurl=https://www.webcitation.org/query?url=http%3A%2F%2Fwww.calgarysun.com%2Fnews%2Fcanada%2F2010%2F09%2F01%2F15213341.html&date=2014-03-01|archivedate=2 March 2014|deadurl=no}}
423. ^{{cite web|url=http://o.canada.com/news/national/military-will-contract-out-air-to-air-refuelling-if-canada-goes-with-f-35/ |title=Military will contract out air-to-air refuelling if Canada goes with F-35 |work=o.canada.com |date=20 December 2012 |accessdate=2 March 2014 |first=Lee |last=Berthiaume |archiveurl=https://web.archive.org/web/20140302041720/http://o.canada.com/news/national/military-will-contract-out-air-to-air-refuelling-if-canada-goes-with-f-35/ |archivedate=2 March 2014 |deadurl=no |df=dmy }}
424. ^{{cite web|url=http://www.parl.gc.ca/pbo-dpb/documents/F-35_Cost_Estimate_EN.pdf |title=An Estimate of the Fiscal Impact of Canada’s Proposed Acquisition of the F-35 Lightning II Joint Strike Fighter |date=10 March 2011 |accessdate=2 March 2014 |first1=Tolga R |last1=Yalkin |first2=Peter |last2=Weltman |publisher=Office of the Parliamentary Budget Office |archiveurl=https://web.archive.org/web/20140302044823/http://www.parl.gc.ca/pbo-dpb/documents/F-35_Cost_Estimate_EN.pdf |archivedate=2 March 2014 |deadurl=no |df=dmy }}
425. ^{{cite web|url= https://www.liberal.ca/files/2015/10/New-plan-for-a-strong-middle-class.pdf|title= A New Plan For a Strong Middle Class|accessdate= 5 October 2015|author= Liberal Party of Canada|date= 5 October 2015 |archiveurl= https://web.archive.org/web/20151014055323/https://www.liberal.ca/files/2015/10/New-plan-for-a-strong-middle-class.pdf |archivedate=14 October 2015 }}
426. ^{{cite web |url=https://www.flightglobal.com/news/articles/canadian-f-35-exit-could-signal-wider-air-force-revi-418043/ |title=Canadian F-35 exit could signal wider air force review |last1=Drew |first1=James |last2= |first2= |date=21 October 2015 |website=Flight Global |publisher= |access-date=6 November 2015 |quote=}}
427. ^{{cite news |url=http://www.af.mil/News/ArticleDisplay/tabid/223/Article/617301/af-releases-future-operating-concept.aspx |title=AF releases Future Operating Concept |date=15 September 2015 |website= af.mil |publisher=Secretary of the Air Force Public Affairs Command Information |accessdate=27 September 2015}}
428. ^{{cite news |url=http://www.aei.org/publication/20-technologies-that-will-keep-the-us-air-force-flying-high/ |title=20 technologies that will keep the US Air Force flying high |last1=Eaglen |first1=Mackenzie |last2=Berger |first2=Rick |date=15 September 2015 |website= aei.org |publisher=AEI |accessdate=25 September 2015}}
429. ^{{cite web |last1=Defence |first1=Department of |title=Australia takes delivery of 10th Joint Strike Fighter |url=https://www.minister.defence.gov.au/minister/steven-ciobo/media-releases/australia-takes-delivery-10th-joint-strike-fighter |website= minister.defence.gov.au |language=en |date=22 October 2018}}
430. ^{{cite web |last1=Payne |first1=Jacqui |title=3SQN takes command of its first F-35A |url=http://airforcenews.realviewdigital.com/?iid=161315#folio=6 |website=Air Force News |publisher=Royal Australian Air Force |accessdate=8 October 2018 |page=7 |date=20 September 2018}}
431. ^{{cite web|url=http://www.defence.gov.au/casg/NewsMedia/News/Next_Three_F35A_Joint_Strike_Fighters_Mission_Ready|title=Next_Three_F35A_Joint_Strike_Fighters_Mission_Ready – Capability Acquisition and Sustainment|website= defence.gov.au}}
432. ^{{cite web|url=http://www.flightglobal.com/news/articles/australia-to-confirm-58-aircraft-f-35-order-398443/ |title=Australia to confirm 58-aircraft F-35 order |work=flightglobal.com |publisher=Reed Business Information |date=22 April 2014 |accessdate=23 April 2014 |first=Andrew |last=Mclaughlin |archiveurl=https://web.archive.org/web/20140424002104/http://www.flightglobal.com/news/articles/australia-to-confirm-58-aircraft-f-35-order-398443/ |archivedate=24 April 2014 |deadurl=no |df=dmy}}
433. ^{{cite web |title=The Australians Building Their Fifth Generation Air Force: The Latest Addition to the RAAF’s F-35 Fleet |url=https://sldinfo.com/2018/09/the-australians-building-their-fifth-generation-air-force-the-latest-addition-to-the-raafs-f-35-fleet/ |date=25 September 2018}}
434. ^{{cite web |last1=Seidel |first1=Jamie |title=Australia’s first F-35 strike fighters have landed. But amid the fanfare, doubts linger over its ability to perform under pressure. |url=https://www.news.com.au/technology/innovation/military/australia-takes-delivery-of-its-first-two-f35-lightning-ii-stealth-fighters/news-story/df793a1d4f4348611245039fddffbd73 |publisher=News Corp Australia Network |date=10 December 2018}}
435. ^{{cite web |last1=Emmott |first1=Robin |title=Belgium picks Lockheed's F-35 over Eurofighter on price |url=https://www.reuters.com/article/us-aerospace-belgium/belgium-picks-lockheeds-f-35-over-eurofighter-on-price-idUSKCN1MZ1S0 |website=Reuters |accessdate=26 October 2018 |archiveurl=https://web.archive.org/web/20181025145835/https://www.reuters.com/article/us-aerospace-belgium/belgium-picks-lockheeds-f-35-over-eurofighter-on-price-idUSKCN1MZ1S0 |archivedate=25 October 2018 |location=Brussels |date=25 October 2018 |deadurl=no |df=dmy-all }}
436. ^{{cite web |last1=Insinna |first1=Valerie |title=F-35 officially wins Belgian fighter contest |url=https://www.defensenews.com/air/2018/10/25/f-35-officially-wins-belgian-fighter-contest/ |website=Defense News |accessdate=26 October 2018 |archiveurl=https://archive.is/20181025153323/https://www.defensenews.com/air/2018/10/25/f-35-officially-wins-belgian-fighter-contest/ |archivedate=25 October 2018 |location=Washington |date=25 October 2018 |deadurl=no}}
437. ^{{cite web|title=Agreement on Procurement for New Fighters|url=http://www.fmn.dk/nyheder/Documents/aftale-vedr-kampflyanskaffelse-2016.pdf|website=fmn.dk|publisher=Ministry of Defence|accessdate=9 June 2016|language=Danish}}
438. ^1 [https://www.jpost.com/Israel-News/Two-more-F-35i-Adir-jets-land-in-Israel-572831 AIR FORCE BOLSTERS STEALTH POWER AS MORE F-35I FIGHTER JETS LAND IN ISRAEL] by ANNA AHRONHEIM, NOVEMBER 26, 2018, Jerusalem Post
439. ^{{cite book|title=AirForces Monthly|date=March 2016|publisher=Key Publishing Ltd|location=Stamford, Lincolnshire, England|pages=23}}
440. ^Israel ups stealth fighter purchase to 50 planes Arutz Sheva Staff, 27/11/16
441. ^{{cite web|last1=Tomkins|first1=Richard|title=Israel finalizes deal for additional F-35 stealth fighters|url=https://www.upi.com/Defense-News/2017/08/28/Israel-finalizes-deal-for-additional-F-35-stealth-fighters/7911503939306/|website=United Press International|accessdate=29 August 2017|archiveurl=https://archive.is/20170829074551/https://www.upi.com/Defense-News/2017/08/28/Israel-finalizes-deal-for-additional-F-35-stealth-fighters/7911503939306/|archivedate=29 August 2017|date=28 August 2017}}
442. ^{{cite web|last1=Gross|first1=Judah Ari|title=Israel finalizes agreements to buy 17 more F-35 jets|url=http://www.timesofisrael.com/israel-finalizes-agreements-to-buy-17-more-f-35-jets/|website=The Times of Israel|accessdate=29 August 2017|archiveurl=https://archive.is/20170829074343/http://www.timesofisrael.com/israel-finalizes-agreements-to-buy-17-more-f-35-jets/|archivedate=29 August 2017|date=27 August 2017}}
443. ^{{cite web|url=https://www.janes.com/article/77420/italian-mod-takes-delivery-of-first-non-us-built-f-35b|title=Italian MoD takes delivery of first non-US built F-35B – Jane's 360|website=janes.com|accessdate=28 September 2018|archive-url=https://web.archive.org/web/20180817193805/https://www.janes.com/article/77420/italian-mod-takes-delivery-of-first-non-us-built-f-35b|archive-date=17 August 2018|dead-url=yes|df=dmy-all}}
444. ^Corte Dei Conti – Sezioni Riunite In Sede Di Controllo – Relazione – Sul Rendiconto Generale Dello Stato – 2016 Comunicata corteconti.it. Retrieved 15 September 2017.
445. ^[https://www.flightglobal.com/news/articles/italy-claims-first-f-35-transatlantic-crossing-421670/ Italy claims first F-35 transatlantic crossing], Flightglobal. Retrieved 7 April 2016.
446. ^{{Cite news|url=http://www.misawa.af.mil/News/Article-Display/Article/1425896/first-operational-jasdf-f-35a-makes-its-debut-at-misawa-ab/|title=First operational JASDF F-35A makes its debut at Misawa AB|work=Misawa Air Base|access-date=2018-03-30|language=en-US}}
447. ^Lockheed Martin and Japan Celebrate Roll Out of Japan Air Self Defense Force’s First F-35A, retrieved 29 September 2016
448. ^{{cite news |url= https://www.bloomberg.com/news/articles/2011-12-20/lockheed-martin-wins-japan-jet-fighter-contract-over-boeing-eurofighter |title= Lockheed Martin Wins Japan Order for 42 F-35 Fighter Planes |work= |publisher= Bloomberg Business |date= 20 December 2011 |first=Terje |last=Langeland}}
449. ^{{Cite news|url=https://thediplomat.com/2018/02/japan-to-procure-25-more-f-35a-stealth-fighters/|title=Japan to Procure 25 More F-35A Stealth Fighters|last=Diplomat|first=Franz-Stefan Gady, The|work=The Diplomat|access-date=2018-03-30|language=en-US}}
450. ^{{cite news|last1=Kelly|first1=Tim|last2=Kubo|first2=Nobuhiro|title=Exclusive: Japan to buy at least 20 more F-35A stealth fighters – sources|url=https://www.reuters.com/article/us-japan-defence-f35-exclusive/exclusive-japan-to-buy-at-least-20-more-f-35a-stealth-fighters-sources-idUSKCN1G507W?feedType=RSS&feedName=businessNews|accessdate=21 February 2018|agency=Reuters News Agency|date=21 February 2018}}
451. ^{{cite news |url=https://asia.nikkei.com/Politics/International-Relations/Japan-to-order-100-more-F-35-fighters-from-US |title=Japan to order 100 more F-35 fighters from US |publisher=Nikkei Asian Review |date=27 November 2018 |accessdate=29 November 2018}}
452. ^{{cite web |url=https://www.reuters.com/article/japan-usa/japan-may-buy-additional-100-f35-fighters-nikkei-idUST9N1WK07B |title=Japan may buy additional 100 F35 fighters - Nikkei |agency=Reuters News Agency |date=27 November 2018 |accessdate=29 November 2018}}
453. ^{{cite web|url=http://aviationweek.com/defense/netherlands-orders-eight-f-35s|title=Netherlands Orders Eight F-35s|work=aviationweek.com|accessdate=25 May 2015}}
454. ^{{cite web|url=https://www.dutchnews.nl/news/2018/12/defence-spending-to-be-stepped-up-more-tanks-and-f-35-jets/|title=Defence spending to be stepped up, more tanks and F-35 jets|work=dutchnews.nl|accessdate=15 December 2018}}
455. ^{{cite web|url=https://www.janes.com/article/86072/first-operational-f-35-for-netherlands-rolled-out|title=First operational F-35 for Netherlands rolled out - Jane's 360|website= janes.com|accessdate=1 February 2019}}
456. ^{{cite web |url=http://www.defensie.nl/english/latest/news/2014/11/05/first-f-35-squadron-for-the-rnlaf |title=First F-35 squadron for the RNLAF |work=defensie.nl |accessdate=14 January 2015 |archive-url=https://web.archive.org/web/20150122120614/http://www.defensie.nl/english/latest/news/2014/11/05/first-f-35-squadron-for-the-rnlaf |archive-date=22 January 2015 |dead-url=yes |df=dmy-all }}
457. ^{{cite web|url=https://www.f35.com/news/detail/northrop-grumman-completes-center-fuselage-for-first-norwegian-f-35-aircraf|title=Northrop Grumman completes center fuselage for first Norwegian F-35 aircraft|work=F-35 Lightning II|accessdate=31 March 2015}}
458. ^{{cite web |last1=Jung |first1=Da-min |title=Korea's first stealth jet fighters arrives |url=https://www.koreatimes.co.kr/www/nation/2019/03/113_266285.html |website=The Korea Times |accessdate=31 March 2019 |archiveurl=http://web.archive.org/web/20190331112705/https://www.koreatimes.co.kr/www/nation/2019/03/113_266285.html |archivedate=31 March 2019 |date=30 March 2019}}
459. ^{{cite web|url=http://www.janes.com/article/43725/update-south-korea-agrees-to-buy-f-35s |title=South Korea agrees to buy F-35s |publisher=Janes |date=24 September 2014 |deadurl=yes |archiveurl=https://web.archive.org/web/20150716093703/https://www.janes.com/article/43725/update-south-korea-agrees-to-buy-f-35s |archivedate=16 July 2015 |df=dmy }}
460. ^{{cite web|url=https://www.reuters.com/article/us-southkorea-usa-airforce/south-korea-plans-to-buy-20-additional-f-35-aircraft-report-idUSKBN1EF051?il=0|title=South Korea plans to buy 20 additional F-35 aircraft: report|publisher=Reuters|date=20 December 2017}}
461. ^{{Cite web|url=https://en.yna.co.kr/view/AEN20190329003253315|title=S. Korea's Air Force welcomes arrival of 2 F-35A stealth fighters: report|publisher=yonhap news agency|date=29 March 2019}}
462. ^{{Cite web|url=http://www.kokpit.aero/turk-pilotlar-f35-egitimi|title=Türk pilotlar F-35 uçuş eğitimine başladı|last=|first=|date=2018-07-02|website= kokpit.aero|language=Turkish|archive-url=https://web.archive.org/web/20180702213712/http://www.kokpit.aero/index.php?route=article%2Farticle%2Freview&article_id=35169|archive-date=2 July 2018|dead-url=no|access-date=2018-07-02|df=dmy-all}}
463. ^{{Cite web|url=http://www.kokpit.aero/f35-teslimat-toreni-teksas|title=F-35 teslimat töreni başladı|last=|first=|date=2018-06-21|website= kokpit.aero|language=Turkish|archive-url=https://web.archive.org/web/20180621153938/http://www.kokpit.aero/f35-teslimat-toreni-teksas|archive-date=2018-06-21|dead-url=|access-date=2018-06-21}}
464. ^{{cite web|url=https://www.f35.com/news/detail/turkey-to-order-four-more-f-35-fighter-jets|title=Turkey to Order Four More F-35 Fighter Jets – F-35 Lightning II|work=f35.com|accessdate=24 November 2016}}
465. ^{{cite web|url=http://www.xairforces.net/newsd.asp?newsid=364&newst=10#.VhiAFlxUST8|title=Turkey to possibly buy 20 more F-35 fighters|work=xairforces.net|accessdate=25 October 2015}}
466. ^{{cite news|url=https://www.reuters.com/article/2014/02/27/us-turkey-defence-fighterjets-idUSBREA1Q1ES20140227 |title=Turkey likely to order Lockheed F-35 fighters in 2015 |work=Reuters |date=27 February 2014 |publisher=Thomson Reuters |location=London |accessdate=10 April 2014 |others=Editing by Stephen Powell; Additional reporting by Nobuhiro Kubo and Tim Kelly (Tokyo); Photo Credit: Reuters/Lockheed Martin/Randy A. Crites/Handout |first=Tulay |last=Karadeniz |archiveurl=https://web.archive.org/web/20140410220844/https://www.reuters.com/article/2014/02/27/us-turkey-defence-fighterjets-idUSBREA1Q1ES20140227 |archivedate=10 April 2014 |deadurl=no |df=dmy }}
467. ^BURAK EGE BEKDIL. "Turkey Orders First Two F-35s" DefenseNews, 7 May 2014. Accessed: 10 May 2014.
468. ^{{cite web|url=https://www.haaretz.com/middle-east-news/turkey/1.749708|title=Turkey Plans More F-35 Orders After Receiving First Batch in 2018|first=|last=Reuters|date=28 October 2016|publisher=|accessdate=22 March 2018|via=Haaretz}}
469. ^1 2 {{cite web |url=https://www.f35.com/global/participation/united-states |title=Global: Participation: US | F-35 Lightning II |work=F35.com |accessdate=30 April 2014}}
470. ^{{cite web|url=http://www.eglin.af.mil/library/factsheets/factsheet.asp?id=15686 |title=Factsheets : 33rd Fighter Wing |work=Eglin.af.mil |accessdate=30 April 2014 |deadurl=yes |archiveurl=https://web.archive.org/web/20101227142041/http://www.eglin.af.mil/library/factsheets/factsheet.asp?id=15686 |archivedate=27 December 2010 |df=dmy }}
471. ^{{cite web|author=Lockheed Martin |url=https://www.f35.com/about/who-is-flying/locations-edwards-afb |title=F-35 Testing |work=Lockheed Martin |accessdate=17 April 2017}}
472. ^{{cite web |url=https://www.f35.com/about/who-is-flying/nellis |title=About: Who's Flying: Nellis | F-35 Lightning II |work=F35.com |accessdate=30 April 2014}}
473. ^{{cite web|url=http://www.luke.af.mil/library/factsheets/factsheet.asp?id=5003 |title=Factsheets : 56TH OPERATIONS GROUP |work=Luke.af.mil |accessdate=30 April 2014 |deadurl=yes |archiveurl=https://web.archive.org/web/20140325154910/http://www.luke.af.mil/library/factsheets/factsheet.asp?id=5003 |archivedate=25 March 2014 |df=dmy }}
474. ^{{cite web|url=https://www.f35.com/news/detail/f-35-mission-continues-to-evolve |title=F-35 Mission Continues to Evolve |work=56th Fighter Wing Public Affairs |accessdate=16 April 2017}}
475. ^{{cite web|url=http://www.luke.af.mil/News/Article-Display/Article/882427/luke-activates-3rd-f-35-squadron/ |title=Luke activates 3rd F-35 Squadron |work=Airman 1st Class Ridge Shan |accessdate=16 April 2017}}
476. ^{{cite web|url=https://www.af.mil/News/Article-Display/Article/1703703/luke-afb-stands-up-new-f-35a-lightning-ii-fighter-squadron// |title=Luke AFB stands up new F-35A lightning II fighter squadron |work=Airman 1st Class Aspen Reid |accessdate=7 Dec 2018}}
477. ^{{cite web|url=http://www.hill.af.mil/news/story.asp?id=123460971 |title=Hill commemorates new era in combat air power |work=af.mil |accessdate=17 October 2015 |deadurl=yes |archiveurl=https://web.archive.org/web/20151027215749/http://www.hill.af.mil/news/story.asp?id=123460971 |archivedate=27 October 2015 |df= }}
478. ^{{cite web|author=Laura Mowry |url=http://www.edwards.af.mil/news/story.asp?id=123353189 |title=461st FLTS gets new boss |work=Edwards.af.mil |accessdate=30 April 2014 |deadurl=yes |archiveurl=https://web.archive.org/web/20140502002846/https://www.edwards.af.mil/news/story.asp?id=123353189 |archivedate=2 May 2014 |df=dmy }}
479. ^1 2 3 4 {{cite web |url= http://www.flightglobal.com/airspace/media/reports_pdf/emptys/108161/world-air-forces-2014.pdf |title= World Air Forces 2014 |work= |publisher= Flightglobal Insight |year= 2014 |doi= |accessdate= 17 January 2014|archiveurl= https://web.archive.org/web/20140201152044/http://www.flightglobal.com/airspace/media/reports_pdf/emptys/108161/world-air-forces-2014.pdf |archivedate= 1 February 2014}}
480. ^1 Italian AF, Navy Head for F-35B Showdown {{webarchive |url=https://archive.is/20150211064120/http://archive.defensenews.com/article/20120515/DEFREG01/305150010/Italian-AF-Navy-Head-F-35B-Showdown |date=11 February 2015 }}, defensenews.com. Retrieved 10 February 2015.
481. ^{{cite web|url=http://www.ilsole24ore.com/art/impresa-e-territori/2017-10-29/primo-test-arrivo-l-f-35-decollo-corto-made-piemonte-143704.shtml?uuid=AEySkjzC&refresh_ce=1|title=Primo test in arrivo per l’F-35 a decollo corto (made in Piemonte)|website=ilsole24ore.com|accessdate=25 November 2017}}
482. ^{{cite web |url=https://www.ft.com/content/f32519c8-0263-11e9-99df-6183d3002ee1 |title=Japan to expand military with 100 more F-35 stealth fighters |last=Harding |first=Robin |date=18 December 2018 |website=FT |publisher= |access-date=10 January 2019 |quote=}}
483. ^{{cite web |url=https://thediplomat.com/2018/01/who-wants-to-operate-carrier-based-f-35bs-in-asia-apparently-japan-and-south-korea/ |title=Who Wants to Operate Carrier-Based F-35Bs in Asia? Apparently, Japan and South Korea |last=Farley |first=Robert |date=2 January 2018 |website=the Diplomat }}
484. ^{{Cite web|url=http://en.c4defence.com/Agenda/tcg-trakya-on-the-way/6374/1|title=TCG Trakya, On The Way|last=|first=|date=2018-05-22|website=en.c4defence.com|archive-url=https://web.archive.org/web/20180522184945/http://en.c4defence.com/Agenda/tcg-trakya-on-the-way/6374/1|archive-date=2018-05-22|dead-url=|access-date=2018-05-22}}
485. ^1 {{cite web |title=Further five F-35 fighter jets land at new RAF Marham home |url=http://www.itv.com/news/anglia/2018-08-04/further-five-f-35-fighter-jets-land-at-new-raf-marham-home/ |website=ITN News |accessdate=4 August 2018}}
486. ^{{cite web |title=Lockheed Martin-Built F-35 Comes Home to RAF Marham |url=https://www.f35.com/news/detail/lockheed-martin-built-f-35-comes-home-to-raf-marham |website= f35.com |publisher=Lockheed Martin |accessdate=19 June 2018}}
487. ^1 {{cite news|title=UK receives final F-35 test aircraft, Vol 53, Issue 16|date=20 April 2016|publisher=Janes Defence Weekly}}
488. ^[https://www.bbc.co.uk/news/uk-34901846 Defence Review: Fighting old battles?], BBC News. Retrieved 24 November 2015.
489. ^{{cite news |title= UK receives final F-35 test aircraft, Vol 53, Issue 16 |date=20 April 2016 |publisher=Janes Defence Weekly }}
490. ^{{cite web |title= National Security Strategy and Strategic Defence and Security Review 2015 |url=https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/478933/52309_Cm_9161_NSS_SD_Review_web_only.pdf |date=23 November 2015 |publisher=HM Government |accessdate=24 November 2015}}
491. ^{{cite web|url=https://www.thetimes.co.uk/edition/news/first-f-35-jets-ready-to-battle-for-britain-2pnwb6lqr |title=First F-35 jets ready to battle for Britain}}
492. ^{{cite web |url= http://www.flightglobal.com/news/articles/raf39s-17-sqn-assumes-control-of-f-35-test-and-evaluation-408880/ |title=RAF's 17 Sqn assumes control of F-35 test and evaluation |first=Beth |last=Stevenson |publisher=Flight Global |date= 10 February 2015 |accessdate=31 May 2015}}
493. ^1 2 3 4 5 {{cite web |title=U.K. Planning Four Front-Line F-35 Squadrons |url=http://aviationweek.com/defense/uk-planning-four-front-line-f-35-squadrons |date=19 May 2016 |publisher=Aviationweek |accessdate=19 May 2016}}
494. ^{{cite web |url=https://www.raf.mod.uk/news/archive/identity-of-f35-lightning-training-squadron-announced-05072017 |title=Identity of F-35 Lightning Training Squadron Announced |first= |last= |publisher=RAF |date=6 July 2017 |accessdate=6 July 2017 |archive-url=https://web.archive.org/web/20170728213241/https://www.raf.mod.uk/news/archive/identity-of-f35-lightning-training-squadron-announced-05072017 |archive-date=28 July 2017 |dead-url=yes |df=dmy-all }}
495. ^'Immortal’ air squadron to fly Royal Navy’s newest jets, royalnavy.mod.uk. Retrieved 31 May 2015.
496. ^{{cite web|last=Daniel |first=Lisa |url=http://www.defense.gov/news/newsarticle.aspx?id=63158 |title=Plan Improves Navy, Marine Corps Air Capabilities |work=American Forces Press Service |publisher=United States Department of Defense |date=14 March 2011 |accessdate=23 March 2011 |deadurl=yes |archiveurl=https://web.archive.org/web/20110529052624/http://www.defense.gov/news/newsarticle.aspx?id=63158 |archivedate=29 May 2011 |df=dmy }}
497. ^{{cite web|url=http://www.marinecorpstimes.com/news/2011/03/navy-more-marines-to-fly-f35c-031411w/ |title=More Marines to fly carrier-variant JSFs |last=Cavas |first=Christopher P. |date=14 March 2011 |publisher=Marine Corps Times |accessdate=23 March 2011 |deadurl=yes |archiveurl=https://web.archive.org/web/20110428154152/http://www.marinecorpstimes.com/news/2011/03/navy-more-marines-to-fly-f35c-031411w/ |archivedate=28 April 2011 |df=dmy }}
498. ^{{cite web|url=http://www.marines.mil/unit/hqmc/Pages/MarineCorpscontinuesflyingwithJointStrikeFighterprogram.aspx |title=Marine Corps continues flying with Joint Strike Fighter program |last=Cifuentes |first=Sgt Michael S. |date=14 March 2011 |work=Headquarters Marine Corps |publisher=United States Marine Corps |accessdate=23 March 2011 |deadurl=yes |archiveurl=https://web.archive.org/web/20110325034939/https://www.marines.mil/unit/hqmc/Pages/MarineCorpscontinuesflyingwithJointStrikeFighterprogram.aspx |archivedate=25 March 2011 |df=dmy }}
499. ^{{cite web|url=http://www.marines.mil/News/NewsDisplay/tabid/3258/Article/500071/vmx-22-receives-first-f-35b-aircraft.aspx|title=VMX-22 receives first F-35B aircraft|work=USMC|accessdate=20 April 2015}}
500. ^{{cite web|url=http://www.defensenews.com/articles/first-f-35b-squadron-moves-to-japan|title=First F-35B Squadron Moves to Japan|work=Valerie Insinna|accessdate=12 April 2017}}
501. ^{{cite web|url=https://news.usni.org/2016/06/30/20458|title=Second F-35B Squadron Stands Up At Marine Corps Air Station Yuma|work=U.S. Naval Institute|accessdate=1 July 2016}}
502. ^{{cite web|url=http://www.beaufort.marines.mil/News/NewsView/tabid/14981/Article/524646/warlords-return-to-fightertown.aspx|title=Warlords return to Fightertown |work=marines.mil|accessdate=25 May 2015}}
503. ^{{cite web |url=http://www.edwards.af.mil/Units/VX-9-Det-Edwards |title=VX-9 Det Edwards |publisher= US Navy |accessdate=14 December 2016}}
504. ^{{cite web |url=http://www.navy.mil/submit/display.asp?story_id=84238 |title=F-35C Completes First Arrested Landing aboard Aircraft Carrier |work=Naval Air Forces, Public Affairs |publisher= US Navy |accessdate=4 February 2015}}
505. ^{{cite web|url=http://www.defensemedianetwork.com/stories/navys-vfa-101-stands-up-at-eglin/|title=Navy's VFA-101 Stands Up at Eglin – Defense Media Network|work=Defense Media Network|accessdate=4 February 2015}}
506. ^{{cite web|url=https://www.dvidshub.net/news/221416/first-pacific-based-f-35c-fighters-arrive-nas-lemoore|title=First Pacific-based F-35C Fighters arrive at NAS Lemoore|publisher=}}
507. ^{{cite web|url=https://www.navytimes.com/news/your-navy/2018/04/03/navy-fighter-squadron-begins-switch-to-the-f-35/|title=Navy fighter squadron begins switch to the F-35|first=Mark D.|last=Faram|date=4 April 2018|website=Navy Times}}
508. ^[https://web.archive.org/web/20110317114148/http://www.lockheedmartin.com/products/f35/f-35b-stovl-variant.html "F-35B Short Takeoff/Vertical Landing Variant"]. Lockheed Martin. Retrieved 13 July 2012.
509. ^[https://web.archive.org/web/20110317173004/http://www.lockheedmartin.com/products/f35/f-35c-cv-variant.html "F-35C Carrier Variant"]. Lockheed Martin. Retrieved 13 July 2012.
510. ^[https://www.f35.com/about/carrytheload/weaponry "F-35 Weaponry"]. Lockheed Martin. Retrieved 28 February 2019.
511. ^"F-35 Lightning II Program Status and Fast Facts". {{webarchive|url=https://web.archive.org/web/20130524200620/http://f-35.ca/wp-content/uploads/2012/03/F-35-Fast-Facts-March-13-2012.pdf |date=24 May 2013 }} Lockheed Martin, 13 March 2012. Retrieved 22 May 2012.
512. ^1 {{cite web |url=http://www.jsf.mil/f35/f35_variants.htm|title=JSF.mil > F-35 > Variants|author=F-35 Joint Strike Fighter Program |work=jsf.mil |accessdate=31 July 2015}}
513. ^{{cite web|url=http://www.dote.osd.mil/pub/reports/FY2016/pdf/dod/2016f35jsf.pdf#page=15|title=F-35 Joint Strike Fighter (JSF): DOTE FY 2016 Annual Report}}
514. ^"F-35 variants". JSF. Retrieved 22 August 2010.
515. ^1 "The Pratt & Whitney F135".{{dead link|date=November 2017 |bot=InternetArchiveBot |fix-attempted=yes }} Jane's Aero Engines. Jane's Information Group, 2009. (subscription version, dated 10 July 2009).
516. ^"Lockheed Martin F-35 Lightning II".{{dead link|date=January 2018 |bot=Balon Greyjoy |fix-attempted=yes }} Jane's All the World's Aircraft. Jane's Information Group, 2010. (subscription article, dated 1 February 2010).
517. ^{{cite web|url=http://www.lockheedmartin.com/us/products/f35/f-35c-carrier-variant.html |title=F-35C Carrier Variant |work=lockheedmartin.com |accessdate=25 May 2015 |deadurl=yes |archiveurl=https://web.archive.org/web/20150511095816/http://www.lockheedmartin.com/us/products/f35/f-35c-carrier-variant.html |archivedate=11 May 2015 |df=dmy }}
518. ^ . Lockheed Martin. Retrieved 31 March 2016.
519. ^{{cite web|url=http://www.af.mil/About-Us/Fact-Sheets/Display/Article/478441/f-35a-lightning-ii-conventional-takeoff-and-landing-variant/|title=F-35A Lightning II|website=af.mil|accessdate=25 November 2017}}
520. ^https://www.f35.com/about/carrytheload/weaponry
521. ^"2010 Precision Strike Winter Roundtable". National Defense Industrial Association, NDIA Conference Proceedings, 3 March 2010. Retrieved 16 November 2010.
522. ^[https://www.reuters.com/article/2009/01/21/idUS152956+21-Jan-2009+PRN20090121 "ATK Awarded $55 Million Advanced Anti-Radiation Guided Missile Low Rate Initial Production .".]. {{webarchive|url=https://web.archive.org/web/20130623150446/https://www.reuters.com/article/2009/01/21/idUS152956%2B21-Jan-2009%2BPRN20090121 |date=23 June 2013 }} Reuters, 21 January 2009. Retrieved: 13 July 2011.
523. ^Ewing, Philip. "The Navy’s advanced weapons shopping list". Military.com, 3 July 2012.
524. ^"Nuclear Posture Review Report". {{webarchive |url=https://web.archive.org/web/20141207170603/http://www.defense.gov/npr/docs/2010%20Nuclear%20Posture%20Review%20Report.pdf |date=7 December 2014 }} Department of Defense, Washington, D.C., April 2010. Retrieved: 7 April 2010.
525. ^  Northrop Gurmman
526. ^{{cite web|url=http://www.dote.osd.mil/pub/reports/FY2016/pdf/dod/2016f35jsf.pdf#page=15|title=FY2016 DOT&E Report – F-35 Joint Strike Fighter Aircraft (F-35)|date=|website=|publisher=|access-date=}}
527. ^1 {{cite web|url=https://www.scribd.com/document/375751665/JSF-Selected-Acquisition-Report-FY19-2017|title=FY2019 President's Budget Selected Acquisition Report (SAR) – F-35 Joint Strike Fighter Aircraft (F-35)|date=|website=|publisher=|access-date=}}

Bibliography

  • Keijsper, Gerald. Lockheed F-35 Joint Strike Fighter. London: Pen & Sword Aviation, 2007. {{ISBN|978-1-84415-631-3}}.
  • Lake, Jon. "The West's Great Hope". AirForces Monthly, December 2010.
  • Polmar, Norman. [https://books.google.com/books?id=8MwyTX-iA2wC&lpg=PA397&ots=J0EIrtjWRn&dq=%22attack%20aircraft%22%20%22strike%20fighter%22%20types&pg=PA398#v=onepage&q=%22attack%20aircraft%22%20%22strike%20fighter%22%20types&f=false The Naval Institute Guide to the Ships and Aircraft of the U.S. Fleet.] Annapolis, Maryland: Naval Institute Press, 2005. {{ISBN|978-1-59114-685-8}}.

Further reading

  • Borgu, Aldo. A Big Deal: Australia's Future Air Combat Capability. Canberra: Australian Strategic Policy Institute, 2004. {{ISBN|1-920722-25-4}}.
  • Gunston, Bill. Yakovlev Aircraft since 1924. London: Putnam Aeronautical Books, 1997. {{ISBN|1-55750-978-6}}.
  • Spick, Mike. The Illustrated Directory of Fighters. London: Salamander, 2002. {{ISBN|1-84065-384-1}}.
  • {{cite book |last=Winchester |first=Jim |year=2005 |title=Concept Aircraft: Prototypes, X-Planes, and Experimental Aircraft |isbn=978-1-59223-480-6 |publisher=Thunder Bay Press |location=San Diego, CA |oclc=636459025}}

External links

{{Commons and category|F-35 Lightning II}}{{Wikiquote}}
  • Official JSF web site, Official JSF videos
  • Official F-35 Team web site
  • [https://web.archive.org/web/20010521143853/http://www.jsf.org.uk/ JSF UK Team]
  • F-35 page on U.S. Naval Air Systems Command site
  • [https://www.raf.mod.uk/aircraft/f-35b-lightning/ F-35 – Royal Air Force]
  • F-35 profile on Scramble Dutch Aviation Society
  • Comparative Analysis of the F-35 by the independent think-tank Air Power Australia
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