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USS ''Seawolf'' (SSN-21), the lead ship of her class, is the fourth submarine of the United States Navy named for the seawolf, a solitary fish with strong, prominent teeth and projecting tusks that give it a savage look. The contract to build her was awarded to the Electric Boat Division of General Dynamics and Newport News Shipbuilding on 9 January 1989 and her keel was laid down on 25 October 1989. She was launched on 24 June 1995, sponsored by Mrs. Margaret Dalton, and commissioned on 19 July 1997 with Commander David M. McCall in command. ==History== USS ''Seawolf'' was a product of the Cold War, designed as a replacement for the submarines and as a response to the Soviet . According to the Navy's "Undersea Warfare" magazine, ''Seawolf'' is quieter at high speed than a ''Los Angeles'' submarine is pierside. Originally 29 were planned for production, but with the end of the Cold War, the cost was judged to be prohibitively high and only three were built (''Seawolf'', ''Connecticut'', and ''Jimmy Carter'') in favor of the smaller submarines, which were expected to be about 10% cheaper. Between 25–27 March 2006, a series of anti-submarine warfare exercises were held in Hawaiian waters that included ''Seawolf''; Carrier Strike Group Nine; the nuclear-powered attack submarines , , , and , as well as land-based P-3 Orion aircraft from patrol squadrons VP-4, VP-9, and VP-47. On 22 July 2007, the submarine transferred from her previous homeport of Naval Submarine Base New London in Groton, Connecticut, to permanently reside at SubBase Bangor in Silverdale, Washington.〔U.S. Navy News Service. 24 July 2007. NNS070724-15. ''USS Seawolf Makes New Home In Pacific Northwest.'' http://www.news.navy.mil/search/display.asp?story_id=30735〕 Adding support personnel as well as ship's crew, there are 140 personnel attached to ''Seawolf''.〔 USS ''Seawolf'' featured in a 1998 episode of the documentary ''Super Structures of the World: Seawolf''. The programme followed her construction and sea trials. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「USS Seawolf (SSN-21)」の詳細全文を読む スポンサード リンク
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