#I-2 was discovered by #USSSaufley in April 1944 in the Bismarck Sea and destroyed by depth charges. #I-3 was torpedoed by a #USN PT boat Dec. 1942 and is part of the graveyard in #IronBottomSound. #I-4 was sunk by #USSSeadragon off New Ireland, a few weeks after I-3. 6/7
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