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Pearl Harbor Wrecks Today | Wreck of a Japanese midget submarine near Pearl Harbor


SYDNEY, NSW. 1942-06-10. The spent 17.7 INCH Torpedo, either type 96 or 97, Fired by the unidentified Japanese midget submarine (known as Midget A), which ran ashore at Garden island during the attack on SYDNEY HARBOUR on 31 MAY 1942. Note the blast wall of sandbags in the background, constructed prior to the torpedo being dragged further in. (NAVAL HISTORICAL COLLECTION). Date 10 June 1942.


The Confederate submarine H.L. Hunley was the first submarine to successfully sink an enemy warship, sinking the USS Housatonic on February 17, 1864. The Hunley sank while returning to Charleston Harbor, after the attack. This submarine was one of as many as a dozen Confederate midget submarines that were completely or partially built during the war, but was the only one to be used in battle. Of interest is that the designer was from Ohio and only a third of the crew was Southern.


Japanese midget submarine being examined in Sydney in 1942. Photo shared from State Library of Victoria. v@e.


A Japanese two-man midget submarine grounded on the coral reef off Bellows Field near Waimanalo was commanded by Ensign Kazuo Sakamaki, who swam ashore on December 8, 1941 and was captured. His comrade died in action and his body washed ashore.


A Japanese Ko-hyoteki class midget submarine, believed to be Midget No. 14, is raised from Sydney Harbour the day after the attack.


Crewed by actual midgets, the O'Neill's Midget Submarine was to prove a devastatingly effective attack craft in shallow coastal waters. Only the shortage of potential crew kept this submersible from being more widely deployed. Visit for the full story behind this and many other Lego constructions of the Steampunk Age.


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At the end of World War II, Allied Occupation forces found hundreds of midget submarines built and building in Japan, including large numbers of the “Koryu” type. Many of these boats were in massed groups at shipyards and naval bases.


Italian midget submarine at Sevastopol, Ukraine, circa 1942


Tirpitz - Operation "Source" using midget submarines x-craft (x-5, x-6, x-7, x-8, x-9, x-10). Destroyed midget submarine x-7 is on display at the Imperial War Museum, which made me curious as to how it came to be destroyed. The mission is explained here.