April 10, 1963 — During a routine test dive 220 miles off Cape Cod, the nuclear-powered attack submarine USS Thresher (SSN-593) mysteriously sinks and implodes. All 129 crew and shipyard personnel ...

Submarines appeared on the global stage during World War I, when Germany unleashed a campaign of unrestricted submarine warfare in 1917 to sever supply lines between Great Britain and its allies. In ...

USS Thresher was the lead boat of a new class of fast, quiet nuclear submarines when she was lost during deep diving trials in April 1963. Her final messages reported difficulties and an attempt to ...

PORTSMOUTH, N.H. - Family and friends who lost loved ones when the USS Thresher sank 50 years ago joined in tossing wreaths into the water Saturday in an emotional service in remembrance of the 129 ...

What You Need to Know: Submarines were among the most dangerous military occupations during World War II, with the U.S. Navy losing 52 submarines and 3,500 submariners—a 20% casualty rate. Although ...

Family and friends gathered for an emotional service Saturday to honor the 129 Navy crew members and civilian technicians of the USS Thresher who lost their lives 50 years ago in the deadliest ...

Just like that, the Thresher was gone, along with 129 men. Fifty years ago, the deadliest submarine disaster in U.S. history delivered a blow to national pride during the Cold War and became the ...