Japanese submarine I-63

The Japanese submarine I-63 was a Kaidai-class cruiser submarine of the KD3B sub-class built for the Imperial Japanese Navy (IJN) during the 1920s. She was sunk in an accidental collision with her sister ship I-60 with the loss of most of her crew in early 1939. The wreck was salvaged the next year and scrapped.

Japanese submarine I-63

The Japanese submarine I-63 was a Kaidai-class cruiser submarine of the KD3B sub-class built for the Imperial Japanese Navy (IJN) during the 1920s. She was sunk in an accidental collision with her sister ship I-60 with the loss of most of her crew in early 1939. The wreck was salvaged the next year and scrapped.