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 .
Submarines of the Imperial Japanese Navy
The ("I-165"-class) submarines ("I-65"/"I-165", "I-66"/"I-166", "I-67") were similar to the Type KD4 but had an improved operating depth.