Cmdr. John Harvey, commanding officer of USS Thresher (SSN 593) before its tragic loss, were passed on to Lt.j.g. Thomas M. Grubish at the Submarine Birthday Ball on April 13. The dolphins are ...

It became the final resting place for all 52 crewmembers. The USS Thresher (SSN-593) was the first nuclear attack submarine of its class. In 1963, it conducted a series of deep-dive tests off the ...

Still, two were lost to accidents. The first was the USS Thresher (SSN-593), the lead boat of a class of nuclear-powered attack submarines developed in the late 1950s. She sank during deep tests ...