Submarines of the Imperial Japanese Navy
The submarines ("I-52"-class) were submarines of the Imperial Japanese Navy, designed and built by Mitsubishi Corporation, between 1943 and 1944, as cargo carriers. They were quite long and carried a crew of up to 94 officers and enlisted. They also had a long cruising range at a speed of .
Japanese Type 1 submarine
The was the first class submarines of the Imperial Japanese Navy. Consisting of five vessels, these submarines were modified "Holland"-class vessels built in the United States.