Any mistake at sea can be deadly, but on a sub the stakes are even higher. Here are five of the worst military submarine ...

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 ...

Cold War-era submarines were constantly working due to the high tensions of the time. The USS Scorpion was no different, seemingly on an endless state of patrol. Given the need for submarines to ...

Scorpion is one of two nuclear-powered submarines the US Navy has lost. The other, USS Thresher, sank off the coast of Massachusetts in 1963.

What You Need to Know: On April 10, 1963, the USS Thresher, a nuclear-powered submarine, tragically sank during deep-diving tests 220 miles off the coast of Cape Cod, Massachusetts. All 129 crew ...

Kevin Galeaz, president of the USS Thresher ANC Memorial Foundation, announced the long-awaited recognition Jan. 28. Donations will cover the cost of the memorial and ensure that funding will be ...