U.S.

Associated Press
FILE- In this 1960 handout file photo provided by the U.S. Navy, the nuclear-powered submarine USS Thresher is prepared for launching at the Portsmouth Naval Shipyard in Kittery, Maine. Fifty years ago 129 men lost their lives when the sub sank during deep-dive testing off Cape Cod. The deadliest submarine disaster in U.S. history delivered a blow to national pride during the Cold War and became the impetus for safety improvements. (AP Photo/U.S. Navy, file)

View gallery

500 photos

National news events

View Comments (1)