| 释义 |
{{For|other uses of U-1|U-1 (disambiguation)}} U-1 may refer to one of the following German submarines: - {{SMU|U-1|Germany}} (1906), Germany's first U-boat, now preserved in the Deutsches Museum in Munich; served in the First World War as a German training submarine for the Kaiserliche Marine; now a museum ship
- During the First World War, Germany also had these submarines with similar names:
- {{SMU|UB-1}}, a Type UB I submarine launched in 1915; transferred to Austria-Hungary on 12 July 1915 and renamed U-10; sunk on 9 July 1918
- {{SMU|UC-1}}, a Type UC I submarine launched in 1915 and sunk in July 1917
- {{GS|U-1|1935}}, a Type IIA submarine that served in the Second World War and was sunk in April 1940
- {{GS|U-1|1961}}, a Type 201 submarine of the Bundesmarine, launched in 1961 and scrapped in 1967
- {{GS|U-1|1967}}, a Type 205 submarine of the Bundesmarine that was launched in 1967 and sold in 1991
U-1 or U-I may also refer to: - {{SMU|U-1|Austria-Hungary}}, lead boat of the U-1 class submarines for the Austro-Hungarian Navy
{{Shipindex}}{{italic title prefixed|16}}{{DEFAULTSORT:U-001}} 1 : Submarines of Germany |