Please report any broken links or trouble you might come across to the Webmaster. Please take a moment to let us know so that we can correct any problems and make your visit as enjoyable and as informative as possible.

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.
Click On Image
For Full Size Image		SizeImage DescriptionSource
Mackerel110kThe 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.
Mackerel133kThe 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.
Dogfish, T1 & T236kThe Dogfish (SS-350) with T-1 (SST-1) inboard & Marlin (SST-2) outboard, circa post 1953.USN photo courtesy of Electric Boat / ussdogfish.com.
Mackerel25k 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.
Mackerel39kBroadside 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 Hirst. Partial text courtesy of DANFS. Photo added 11/05/06.
Mackerel68kMackerel (SST-1), underway, date and place unknown.
US Navy photo courtesy of George M. Arnold.
Mackerel98kMackerel (SST-1), underway, date and place unknown.
US Navy photo courtesy of George M. Arnold.
Mackerel49kModel of the Mackerel (SST-1).
Courtesy of Rick Spector.
View the T-1/Mackerel (SST-1)
DANFS history entry located on the Haze Gray & Underway Web Site.
Crew Contact And Reunion Information
U.S. Navy Memorial Foundation
Fleet Reserve Association
Additional Resources and Web Sites of Interest
USS Mackerel (SST-1)
Back To The Main Photo IndexBack To the Submarine Index

Comments, Suggestions, E-mail Webmaster
This page is created and maintained by Michael Mohl
© 2008 Michael Mohl © 2008 NavSource Naval History. All Rights Reserved.