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 submarine I-201
The "I-201"-class submarines were derived from the experimental high-speed Submarine "No.71". They displaced surfaced and submerged. The submarines were long, had a beam of and a draft of . The boats were the deepest-diving Japanese submarines of the war and had a diving depth of .