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USS ''Columbia'' (SSN-771), is the 60th Los Angeles class submarine, and is the eighth vessel of the United States Navy to bear that name. The earlier ''Columbia''s were given their names for differing reasons; SSN-771 was specifically named in honor of Columbia, South Carolina, Columbia, Missouri, and Columbia, Illinois. The contract to build ''Columbia'' was awarded to the Electric Boat Division of General Dynamics Corporation in Groton, Connecticut on 14 December 1988 and her keel was laid down on 21 April 1993. She was the 33rd Los Angeles class built by EB, and was launched on 24 September 1994 with the slide down a 1300-foot wooden ramp, the last American submarine to do so, giving her the title of "The Last Slider." ''Columbia'' was sponsored by Hillary Rodham Clinton, and commissioned on 9 October 1995, with Commander Dale Govan in command. Currently, Columbia is commanded by Commander David L. Edgerton, and Master Chief Machinist's Mate Ruben Aguirre is the Chief of the Boat. ==References== 〔USS Columbia (SSN 771) http://navysite.de/ssn/ssn771.htm〕 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 Columbia (SSN-771)」の詳細全文を読む スポンサード リンク
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