Japanese submarine I-177
1ST CLASS SUBMARINE OF THE IMPERIAL JAPANESE NAVY
I-177 (submarine); Japanese submarine I-77
I-177 was an Imperial Japanese Navy Kaidai-type cruiser submarine of the KD7 subclass commissioned in 1942. She served during World War II, patrolling off Australia, taking part in the New Guinea campaign, operating in the North Pacific, and participating in the Palau campaign before she was sunk by the destroyer escort in 1944, with no survivors.