Japanese submarine I-55
Type C3 Japanese submarine
The second I-55 was one of three Type C cruiser submarines of the C3 sub-class built for the Imperial Japanese Navy. Commissioned in April 1944, she was lost in July 1944 while taking part in the Marianas campaign during World War II. Wikipedia
Construction started: June 15, 1942
Launched: April 20, 1943
Test depth: 100 m (330 ft)