(Japanese Type A midget submarine) Partially hauled up on and eastern Oahu beach, during salvage by U.S. forces. It had grounded on 7 December 1941, following attempts to enter Pearl Harbor during the Japanese attack, and was discovered the following day. Copied in 1980 from Commander Submarine Squadron Four report, Serial 0570, of 26 December 1941. U.S. Naval History and Heritage Command Photograph.