Japanese submarine I-121
| History | |
|---|---|
| Imperial Japanese Navy | |
| Name | Submarine No. 48 |
| Builder | Kawasaki Corporation, Kobe, Japan |
| Laid down | 20 October 1924 |
| Renamed | I-21 1 November 1924 |
| Launched | 30 March 1926 |
| Completed | 31 March 1927 |
| Commissioned | 31 March 1927 |
| Decommissioned | 15 March 1933 |
| Recommissioned | 15 November 1933 |
| Decommissioned | 15 November 1935 |
| Recommissioned | 20 March 1937 |
| Renamed | I-121 1 June 1938 |
| Stricken | 30 November 1945 |
| Fate |
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| General characteristics | |
| Class & type | I-121-class submarine |
| Displacement |
|
| Length | 85.20 m (279 ft 6 in) overall |
| Beam | 7.52 m (24 ft 8 in) |
| Draft | 4.42 m (14 ft 6 in) |
| Propulsion |
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| Speed |
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| Range |
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| Test depth |
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| Complement | 80 |
| Armament |
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I-121, laid down in 1924 as Submarine No. 48 and known as I-21 from November 1924 to June 1938, was an I-121-class submarine of the Imperial Japanese Navy that served during the Second Sino-Japanese War and World War II. During the latter conflict, she conducted operations in support of the Japanese invasion of Malaya, the Japanese invasion of the Philippines, the bombing of Darwin, the Battle of Midway, the Guadalcanal campaign, the Battle of the Eastern Solomons, and the New Guinea campaign. She surrendered at the end of the war in 1945 and was scuttled in 1946.
After she was renumbered I-121 in 1938, the number I-21 was assigned to a later submarine which also served during World War II.