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| USN Porpoise-class submarine 1,337 Tons (standard) 2,000 Tons (submerged) 287' x 25' .75" x 13' 9" 6 x 21" torpedo tubes (4 forward, 2 stern) with 16 torpedoes 1 x 4" 50 cal deck gun 2 x .30 cal MG |
Sinking History Built by the Mare Island Navy Yard at Mare Island in California. Laid down January 14, 1936 as a Porpoise-class submarine with a Hooven-Owens-Rentschler (HOR) 8-cylinder double-acting engines. Launched March 11, 1937 as USS Pompano (SS-181) sponsored by Mrs. Isaac I. Yates, wife of Captain Isaac I. Yates, manager of Mare Island Navy Yard. Commissioned June 12, 1937 in the U.S. Navy (USN). Before even leaving the Mare Island Navy Yard for trails, the engine failed and the submarine was laid up for eight months while the engines were replaced but they too were unsatisfactory and later replaced in 1942 by four OP Fairbanks-Morse 38D diesel engines. PARTIAL HISTORY On May 24, 1942 sinks Japanese merchant fishing boat Kotoku Maru, 25°16'N, 122°41'E. PARTIAL HISTORY On July 4, 1943 sinks damaged Japanese seaplane carrier Sagara Maru at Lat 34°38'N Long 137°53'E. On July 10, 1943 damages Japanese oiler Kyokuyo Maru, 33°34'N, 136°07'N. On July 20, 1943 damages Japanese transport Uyo Maru, east of Miki Zaki, 33°55'N, 136°26'E. Seventh War Patrol On August 20, 1943 departs Midway on her seventh war patrol bound for Hokkaidō and Honshū in Japan. On September 3, 1943 sinks Japanese merchant cargo ship Akama Maru, 41°00'N, 144°34'E. On September 9, 1943 damages Japanese army cargo ship Nanking Maru, 40°12'N, 141°55'E. Afterwards, never heard from again and presumed lost with all hands. On January 12, 1944 officially striken from the Naval Vessel Register. Fate Ultimate fate unknown. Officially, Pompano was esumed lost September 27, 1943 due to a Japanese sea mine north of Honshū. Another possibility is sunk September 17, 1943 by Japanese seaplane from Ominato bomb and depth-charge a surfaced submarine in the Shiriyasaki Seanear Shiriya Zaki in Aomori Prefecture in Japan. The next day, Japanese minelayer Ashizaki dropped depth charges the on a spot where oil was surfacing and brought up more oil and consecutive depth-charge attacks were then made by five surface vessels. Awards For her service, Pompano earned seven battle stars. References NavSource - Pompano (SS-181) Contribute
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