What You Need to Know: In April 1963, the USS Thresher (SSN-593), a state-of-the-art nuclear-powered submarine, tragically sank during deep-sea trials off the coast of Massachusetts, killing all ...

Cmdr. John “Wes” Harvey, on April 23. Wes was the commanding officer of USS Thresher (SSN 593) when the submarine was lost at sea, on April 10, 1963, during sea trials. All persons aboard ...

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 ...

Fifty years ago, on April 10, 1963, the nuclear-powered submarine USS Thresher (SSN-593) sank in the Atlantic, killing the 129 men on board. Among them was a Norwich man, 26-year-old Maurice Frank ...