The Imperial Japanese Submarine, ''I-168'' , was Classed as a ''Cruiser Sub''. These wer4e types of Submarines that were large and specifically designed to remain at Sea for extended periods of time. The ''I-168'' was the only Type of Her Class, being deployed in 1933 (in violation of The Washington Treaty). She was responsible for the sinking of the only (2) Warships lost at The Battle of Midway (1942). She would be lost in action against The USS ''Scamp'' (with a loss of all hands) – in 1943. The ''I-168'' was 2,400-tons displaced. She was 323-feet in length with a Beam of 27-feet. Power was provided from Twin Diesel Engines which supported (15) electric batteries. Rated speed was 23-mph (surface) and 20-mph (submerged). The ''I-168'' was rated to 240-feet. Crewed by 60 Officers and Men, She supported (6) 21-inch Torpedoes, (1) 88mm Deck Gun and (1) 52mm AA Gun.