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NavSource Online: Submarine Photo Archive

Patch contributed by Mike Smolinski

Radio Call Sign: November - Echo - Papa - November

Mackerel (AGSS-570)
T-1 (SST-1) / Mackerel (SST-1)

T-1 Class Submarine: Planned as Auxiliary Submarine (AGSS-570); Laid down, 1 April 1952, at Electric Boat Division, General Dynamics Corp., Groton, CT; Launched, 17 July 1953; Placed in service as T-1 (SST-1), 9 October 1953; Renamed Mackerel (SST-1), 15 July 1956; Commissioned USS Mackerel (SST-1) in 1971; Decommissioned, and simultaneously struck from the Naval Register, 31 January 1973, at Naval Station Key West, FL.; Final Disposition, sunk as a target off Puerto Rico, 18 October 1978.

Specifications: Displacement, Surfaced: 303 t., Submerged: 347 t.; Length 131' 3"; Beam 13' 7"; Draft 12' 2" (mean); Speed, Surfaced 10 kts, Submerged 10.5 kts; Complement 18; Armament, one 21" torpedo tube; Propulsion, diesel-electric, single screw.

Size	Image Description	Source
81k	Lots of children dream of participating in the launching of a real submarine. Some times that wish becomes true. John Robison is the 10 year old that is standing third from the rear of the conning tower as the T-1 (SST-1) floats on the Thames River at Electric Boat Division, General Dynamics Corp., Groton, CT., 17 July 1953. The fleet boat in the background is the Cobia (SS-245).	Official US Navy photo, courtesy of Electric Boat Division, General Dynamics Corp. Photo submitted in memory of Clifford E. Robison, Electric Boat Co, by John Robison.
110k	The T-1 (SST-1), shown here three days after her commissioning at Electric Boat Division, General Dynamics Corp., Groton, CT.,12 October 1953.	US Navy photo, courtesy of Electric Boat Division, General Dynamics Corp.
133k	The T-1 (SST-1), shown here three days after her commissioning at Electric Boat Division, General Dynamics Corp., Groton, CT.,12 October 1953.	US Navy photo.
36k	The Dogfish (SS-350) with T-1 (SST-1) inboard & Marlin (SST-2) outboard, circa post 1953.	USN photo courtesy of Electric Boat / ussdogfish.com.
25k	The Mackerel (SST-1) in the Cooper River at the Charleston S.C. Naval shipyard. The *Mackerel* was at the yard for repairs to the hull in October of 1954. The hull was coated with neoprene rubber to protect from the corrosion. This was a major project for the paint shop.	US Navy photo courtesy of Robert Hall.
39k	Broadside view of the Mackerel (SST-1), underway, possibly when she participated in fleet exercises off the east coast, mainly conducting training and target assignments, including some for the Fleet Sonar School at Key West in 1956.	USN photo courtesy of Robert Hurst. Partial text courtesy of DANFS.
70k	Squadron 12, Key West Fla, in Mid 60's: Marlin (SST-2) and Mackerel (SST-1).	Photo courtesy of John Hummel.
68k	Mackerel (SST-1), underway, date and place unknown.	US Navy photo courtesy of George M. Arnold.
98k	Mackerel (SST-1), underway, date and place unknown.	US Navy photo courtesy of George M. Arnold.
49k	Model of the Mackerel (SST-1).	Courtesy of Rick Spector.
71k	The Mackerel (SST-1) at Naval Base Mayport Fla. in mid to late 1975.	Photo owned & copyrighted courtesy of Bob Royes. Photo added 09/09/09.