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USS Mackerel (SST-1)

USS Mackerel (SST-1).jpg
USS Mackerel (SST-1)
Off Key West 1964 "... with rubber girdle"
Original Navy photo documentation on reverse
History
Name:
  • USS T-1 (1953-1956)
  • USS Mackerel (1956-1973)
Namesake: As Mackerel: The mackerel, a sport and game fish
Builder: General Dynamics Electric Boat, Groton, Connecticut
Laid down: 1 April 1952
Launched: 17 July 1953
Sponsored by: Mrs. Charles R. Muir
Commissioned: 9 October 1953
Decommissioned: 31 January 1973
In service: 9 October 1953, as USS T-1 (SST-1)
Renamed: USS Mackerel (SST-1), 15 July 1956
Reclassified: From auxiliary submarine (AGSS-570) to training submarine (SST-1) prior to commissioning
Struck: 31 January 1973
Fate: Sunk as target 18 October 1978
General characteristics
Class and type: T-1-class training submarine
Displacement:
  • 303 long tons (308 t) surfaced
  • 347 long tons (353 t) submerged
Length: 131 ft 3 in (40 m)
Beam: 13 ft 7 in (4.14 m)
Draft: 12 ft (3.7 m)
Propulsion: diesel-electric, single screw
Speed:
  • 10 knots (19 km/h; 12 mph) surfaced
  • 10.5 knots (19.4 km/h; 12.1 mph) submerged
Complement: 2 officers, 12 enlisted men
Armament: 1 × 21 in (533 mm) torpedo tube

USS Mackerel (SST-1), originally known as USS T-1 (SST-1), was the lead ship of the T-1-class of training submarines. She was the second submarine of the United States Navy named for the mackerel, a common food and sport fish, and was in service from 1953 to 1973. She was one of the smallest operational submarines ever built for the U.S. Navy.

T-1 was originally planned as an experimental auxiliary submarine with hull number AGSS-570, but she was redesignated as a training submarine (SST-1) and her hull number was changed to SST-1. She was laid down on 1 April 1952, at the Electric Boat Division of General Dynamics Corporation at Groton, Connecticut. She was launched on 17 July 1953, sponsored by Mrs. Charles R. Muir, and placed in non-commissioned service as USS T-1 on 9 October 1953, with Lieutenant J. M. Snyder, Jr., in command.

After completing sea trials in the New London, and Massachusetts Bay areas, T-1 departed in February 1954 for Key West, Florida. Arriving at Key West, she commenced operations with submarine and antisubmarine forces in the areas of southern Florida and Guantanamo Bay, Cuba, providing services to the Fleet Training Group working up recently constructed and recently overhauled antisubmarine warships.


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