Career
Awarded:	8 January 1971
Laid down:	12 August 1972
Launched:	19 October 1974
Commissioned:	25 June 1977
Fate:
Homeport:	Groton, Connecticut
General Characteristics
Displacement:	5705 tons light, 6075 tons full, 370 tons dead
Length:	110.3 meters (362 feet)
Beam:	10 meters (33 feet)
Draft:	9.7 meters (32 feet)
Propulsion:	one S6G reactor
Complement:	12 officers, 98 men

USS Philadelphia (SSN-690), a Los Angeles-class 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.

22 years of history go here

In 1999, Philadelphia was modified to carry a Dry Deck Shelter (DDS).

at least five years of history go here

See USS Philadelphia for other ships of the same name.

References

This article includes information collected from the Naval Vessel Register as well as various press releases and news stories.