USS Thresher (SSN-593) - Wikipedia
On 10 April 1963, Thresher sank during deep-diving tests about 350 km (220 mi) east of Cape Cod, Massachusetts, killing all 129 crew and shipyard personnel aboard. Her loss was a watershed …
What Killed the Thresher? | Naval History Magazine - April ...
The USS Thresher (SSN-593), which sank 60 years ago this April, was the world’s first nuclear-powered submarine to be lost at sea. Amid the public shock over the tragedy, the U.S. Navy grappled for an …
Thresher | Definition, Description, Agriculture, & Facts ...
Thresher, farm machine for separating wheat, peas, soybeans, and other small grain and seed crops from their chaff and straw. In most farm regions, threshers were largely superseded by combines …
Thresher (SSN-593) - NHHC
Jul 23, 2025 · In company with Skylark (ASR-20), Thresher put to sea on 10 April 1963 for deep-diving exercises. In addition to her 16 officers and 96 enlisted men, the submarine carried 17 civilian …
Thresher | The United States Navy Memorial
On 10 April 1963, after the completion of the work, Thresher began post-overhaul trials. Accompanied by the submarine rescue ship Skylark ASR-20 she transited to an area some 220 miles east of Cape …
The Submarine USS Thresher (SSN-593)
USS Thresher, lead ship of a class of nuclear-powered attack submarines, was built at the Portsmouth Naval Shipyard, Kittery, Maine. Commissioned in August 1961, USS Thresher was the world's most …
Why Did the USS Thresher Sink? Declassified Documents Reveal ...
Sep 25, 2025 · In 1963, USS Thresher sank, killing all 129 aboard—sparking decades of speculation. It remains the deadliest submarine accident in U.S. history.