Submarine Disaster for the U.S. Navy The Tragedy of the USS Thresher Submarine operations, whether during peacetime or wartime, are among some of the riskiest undertakings in the United States Navy.

The Thresher, an advanced nuclear-powered submarine, was conducting deep-dive trials off the coast of Massachusetts when it mysteriously sank, killing all 129 crew members. -Despite extensive ...

The Thresher dolphins, the submarine warfare qualification device worn by the late Lt. Cmdr. John Harvey, commanding officer of USS Thresher (SSN 593) before its tragic loss, were passed on to Lt ...

The Thresher disaster was a “come to Jesus moment” for the Navy, Galeaz said in 2013 and again last week. It led to creation of the Navy’s Submarine Safety Program — SUBSAFE — beginning ...