Click On Image For Full Size Image | Size | Image Description | Source |
 | 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 Hirst. Partial text courtesy of DANFS. Photo added 11/05/06. |
 | 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. |