Inone of the two missing submarines was discovered in shallow water off the entrance to Pearl Harbor.
Midget Submarines - Pearl Harbor Attack
I do believe that this sub was in two pieces, and that its torpedo tubes were empty. Then, they would dive and escape the harbor, and rendezvous with their "mother submarines," again under cover of darkness the night of December 7. Attack on Sydney Harbour. The third was found off the harbor entrance in In the Pearl Harbor attack, the specially designed Type 97 torpedo was used, but problems with the oxygen flasks [ clarification needed ] meant that all later attacks used a different torpedo. Dedicated on March 15, in a special ceremony, the midget has been displayed ever since at the former Naval Academy at Eta Jima, outside of Hiroshima, in front of the Naval Tactical School.