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USS Philadelphia (SSN-690)
USS Philadelphia
Name: USS Philadelphia
Namesake: Philadelphia, Pennsylvania
Awarded: 8 January 1971[1]
Builder: General Dynamics Corporation[1]
Laid down: 12 August 1972[1]
Launched: 19 October 1974[1]
Sponsored by: Mrs. Hugh Scott
Commissioned: 25 June 1977
Decommissioned: 29 June 2011
In service: 34.0
Homeport: Groton, Connecticut
Status: decommissioned
Badge: 690insig.png
General characteristics
Class & type: Los Angeles-class submarine
Displacement: 5,705 tons light
6,075 tons full
370 tons dead
Length: 110.3 m (361 ft 11 in)
Beam: 10 m (32 ft 10 in)
Draft: 9.7 m (31 ft 10 in)
Propulsion: S6G nuclear reactor, 2 turbines, 35,000 hp (26 MW), 1 auxiliary motor 325 hp (242 kW), 1 shaft
Speed: 15 knots (28 km/h) surfaced
32 knots (59 km/h) submerged
Test depth: 290 m (950 ft)
Complement: 12 Officers; 98 Enlisted
Armament: 4 × 21 in (533 mm) bow tubes
BGM-109 Tomahawk
Mark 48 torpedo

USS Philadelphia (SSN-690), a Los Angeles-class attack submarine, was the sixth ship of the United States Navy to be named for Philadelphia, Pennsylvania. 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 (DDS).[2]

On 5 September 2005 Philadelphia was in the Persian Gulf about 30 nautical miles (60 km) northeast of Bahrain when she collided with a Turkish merchant ship, MV Yasa Aysen.[3] No injuries were reported on either vessel. Damage to the submarine was described as "superficial." The Philadelphia's Commanding Officer, CDR Steven M. Oxholm, was relieved following the incident. The Turkish ship suffered minor damage to her hull just above the water line, which the United States Coast Guard inspected 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 US Navy announced that the submarine would be inactivated on 10 June 2010 and decommissioned at an undetermined later date.[4]


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.


Over the course of her career, the Philadelphia received many awards. Among the ribbons and medals her crew earned were the Navy Unit Commendation in 1983; the Meritorious Unit Commendation in 1987, 1989, 1999, and 2003; the Battle Efficiency "E" Ribbon in 1983, 1990, 1996, 1997, 1998, 2001, 2003, and 2007; The Navy Expeditionary Medal in 2005; and the Southwest Asia Service Medal in 1991.

In terms of other awards given to the ship in terms of excellence from her crew in individual departments, she was awarded the Ney Memorial Award for Outstanding Food Service in 1983, an award for which she was also a finalist in 1996; the "A" Award for Outstanding Anti-Submarine Warfare in 1987, 1988, 1989, and 1991; the Communications Green "C" in 1998, 1999, 2005, and 2007; the Tactical White "T" in 1999 and 2000; the Damage Control Red "DC" in 1999 and 2005; the Deck "D" in 2000' the Engineering Excellence "E" in 2001 and 2006; the Supply Blue "E" in 2001 and 2006; and the Medical Yellow "M" in 2005.

Furthermore, the Philadelphia was awarded the COMSUBLANT Battenberg Cup Nominee for Best All Around Unit in 1996, the CINCLANTFLT Golden Anchor Award in 1990, and the CINCLANTFLT Silver Anchor Award in 1997 and 1998.

In Popular Culture

The Philadelphia was seen in the NCIS episode "Sub Rosa" as the submarine where Agents Leroy Jethro Gibbs (Mark Harmon) and Caitlin Todd (Sasha Alexander) were deployed in order to stop the release of a deadly gas into the submarine's air conditioning system.


  1. 1.0 1.1 1.2 1.3 "Philadelphia". Naval Vessel Register. Retrieved 11 April 2011. 
  2. E.C. Casciano. "COMMAND HISTORY FOR CY-2002". 
  3. Commander, U.S. Naval Forces Central Command/Commander, U.S. 5th Fleet Public Affairs (7 September 2005). "No Injuries as Submarine, Ship Collide".,+Ship+Collide-200209.html. 
  4. Scutro, Andrew, "Subs, frigate on list of ships being retired", Military Times, 21 July 2009.

External links

5 September 2005 Collision

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