(Japanese Type A midget submarine) Annotated photograph of the the submarine's interior, showing the motor meter board, taken after salvage by U.S. forces, December 1941. HA-19 had grounded on 7 December 1941, following unsuccessful attempts to enter Pearl Harbor during the Japanese attack. Copied in 1980 from Commander Submarine Squadron Four report, Serial 0570, of 26 December 1941. U.S. Naval History and Heritage Command Photograph.