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 ...
Here’s What You Need to Know: Fifteen minutes after reaching test depth, Thresher reported to Skylark, “Experiencing minor difficulties. Have positive up angle. Am attempting to blow [ballast ...