Preceded by:
Sargo / Seadragon (1939)Succeeded by:
Mackerel / Marlin (1941)| Ship | Code | Builder | Laid | Launch | Comm | Decomm | Fate | ||
| Tambor: | |||||||||
 |
Tambor | SS-198 | Electric Boat | 16/01/1939 | 20/12/1939 | 03/06/1940 | 10/12/1945 | Struck | |
|
Tautog | SS-199 | Electric Boat | 01/03/1939 | 27/01/1940 | 03/07/1940 | 08/12/1945 | Sold/Scrapped | |
|
Thresher | SS-200 | Electric Boat | 27/04/1939 | 27/03/1940 | 21/08/1940 | 13/12/1945 | Sold/Scrapped | |
|
Triton † | SS-201 | Portsmouth N Yd | 05/07/1939 | 25/03/1940 | 15/08/1940 | 15/03/1943 | † | Loss by surface ship |
|
Trout † | SS-202 | Portsmouth N Yd | 28/08/1939 | 21/05/1940 | 15/11/1940 | 29/02/1944 | † | Loss, unknown cause |
|
Tuna | SS-203 | Mare Island N Yd | 19/07/1939 | 02/10/1940 | 02/01/1941 | 11/12/1946 | Sunk as target | |
| Gar: | |||||||||
|
Gar | SS-206 | Electric Boat | 27/12/1939 | 07/11/1940 | 14/04/1941 | 11/12/1945 | Sold/Scrapped | |
|
Grampus † | SS-207 | Electric Boat | 14/02/1940 | 23/12/1940 | 23/05/1941 | 05/03/1943 | † | Loss by surface ship |
|
Grayback † | SS-208 | Electric Boat | 03/04/1940 | 31/01/1941 | 30/06/1941 | 27/02/1944 | † | Loss by aircraft |
|
Grayling † | SS-209 | Portsmouth N Yd | 15/12/1939 | 04/09/1940 | 01/03/1941 | 09/09/1943 | † | Loss, unknown cause |
|
Grenadier † | SS-210 | Portsmouth N Yd | 02/04/1940 | 29/11/1940 | 01/05/1941 | 21/04/1943 | † | Loss by aircraft |
|
Gudgeon † | SS-211 | Mare Island N Yd | 22/11/1939 | 25/01/1941 | 21/04/1941 | 18/04/1944 | † | Loss by aircraft |
