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USS ''Philadelphia'' (SSN-690), a ''Los Angeles''-class attack submarine, was the sixth ship of the United States Navy to be named for the city of Philadelphia. The contract to build her was awarded to the Electric Boat Division of General Dynamics Corporation in Groton, Connecticut on 8 January 1971 and her keel was laid down on 12 August 1972. She was launched on 19 October 1974 sponsored by Mrs. Hugh Scott, and commissioned on 25 June 1977, with Commander Robert B. Osborne in command. In 1988, ''Philadelphia'' became the first submarine to receive TLAM-D capability. In 1994, ''Philadelphia'' completed the first refueling overhaul of a ''Los Angeles''-class submarine. This was completed at Portsmouth Naval Shipyard in Kittery, Maine. In 1998, ''Philadelphia'' was modified to carry a Dry Deck Shelter, a platform capable of carrying Special Operations Forces. In addition, she was fitted to provide Deep Submergence Rescue Vehicle (DSRV) mother ship support.〔(【引用サイトリンク】title=COMMAND HISTORY FOR CY-2002 )〕 On 5 September 2005 ''Philadelphia'' was in the Persian Gulf about northeast of Bahrain when she collided with a Turkish merchant ship, .〔(【引用サイトリンク】title=No Injuries as Submarine, Ship Collide )〕 No injuries were reported on either vessel. Damage to the submarine was described as "superficial." ''Philadelphia's'' Commanding Officer, CDR Steven M. Oxholm, was relieved following the incident. The Turkish ship, which suffered minor damage to her hull just above the water line, was inspected by the United States Coast Guard and found still seaworthy. In 2006, ''Philadelphia'' completed the first-ever Pre-Inactivation Restricted Availability (PIRA) conducted at Portsmouth Naval Shipyard in Kittery, Maine. On 20 July 2009 the Navy announced that the submarine would be inactivated on 10 June 2010 and subsequently decommissioned.〔Scutro, Andrew, "(Subs, frigate on list of ships being retired )", ''Military Times'', 21 July 2009.〕 ''Philadelphia'' was decommissioned on 25 June 2010, the thirty-third anniversary of her commissioning. == Deployments == ''Philadelphia'' performed many patrols and deployments during her career. She was deployed to the Mediterranean Sea in 1979, 1982, 1986, 1991 (where she later went on to support Operation Desert Storm), 1999, 2001, 2003, 2005, 2007, and 2009, the last three of which also involved operations in support of CENTCOM. She performed a single Western Pacific deployment in 1980. She also spent a fair amount of time in the Atlantic Ocean, including deployments to the Northern part of the Ocean in 1983, 1992, 1996, 1997, and 1999, and one Eastern Atlantic deployment in 1989. 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 Philadelphia (SSN-690)」の詳細全文を読む スポンサード リンク
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