ABBREVIATIONS:  Aluminum–AL, British Columbia–BC, Central–C, Fiberglass–FRP, Fishing Vessel–FV, Indicated Horse Power–IHP, Longliner-LL, Motor Vessel–MV, North–N, Official Number–ON, Revenue Cutter Service–RCS, Schooner–Sch, Signal Letters–SL, South Central–SC, Southeast–SE, Southwest–SW, Steel oil screw–SOS, Steam Ship–SS, Unknown–U, United States Army–USA, United States Coast Guard–USCG, United States Navy–USN, Westcentral–WC, Wood gas screw–WGS, Wood oil screw–WOS I-7 (1943)     The 355 foot Japanese submarine I-7 was sunk in a confrontation with several U S vessels June 23, 1943 in the vicinity of Twin Rocks near Kiska Island.  … Continue reading Alaska Shipwrecks (I)