 |  |
Bow of Tambor-class submarine Thresher prior to launch 27 Mar 1940 at the Electric Boat Company, Groton, Connecticut, United States. | Stern of Tambor-class submarine Thresher prior to launch 27 Mar 1940 at the Electric Boat Company, Groton, Connecticut, United States. |
 |  |
Submarine Thresher being launched on 27 Mar 1940 at the Electric Boat Company, Groton, Connecticut, United States. | Thresher surfaced and underway, probably off the New England coast of northeastern United States just after her launching, late Mar 1940 |
 |  |
Tambor-class submarine Thresher prior to commissioning probably in New London, Connecticut, United States, circa Jun 1940. | Tambor-class submarine Thresher prior to commissioning off Provincetown, Massachusetts, United States, 17 Jul 1940. Note how broad and thick the Tambor-class conning towers were pre-war compared to war’s end. |
 |  |
Tambor-class submarine USS Thresher off Mare Island Naval Shipyard in California after her first major overhaul, 6 Oct 1943, photo 1 of 2. Note larger deck gun and how much her conning tower has been cut down since commissioning. | Tambor-class submarine USS Thresher off Mare Island Naval Shipyard in California after her first major overhaul, 6 Oct 1943, photo 2 of 2. Note larger deck gun and how much her conning tower has been cut down since commissioning. |
 |  |
Periscope view of the 8,000-ton Tatsuno Maru loaded with gasoline moments after being torpedoed and set afire by USS Thresher in the Luzon Strait between Taiwan and the Philippines, 15 Jan 1944. | Broadside view of Tambor-class submarine USS Thresher sometime after her last major overhaul, late 1944. Note how her conning tower had been cut down even further to give her an even lower radar profile. |
 | |
End-of-war crew photo on the foredeck of the Tambor-class submarine USS Thresher showing off her battle flag, Pearl Harbor, Hawaiʻi, Aug 1945. | |