Having been lost at sea the “Thresher” was not listed as inactive by the U.S. Navy and remains on Eternal Patrol.

NEWPORT NEWS, Va. - (April 10, 2025) Sailors assigned to Pre-Commissioning Unit (PCU) John F. Kennedy (CVN 79) joined shipyard workers in a moment of silence to mark the 62nd anniversary of the loss ...

USS Thresher (SSN-593) was tragically Lost The first of its class and leading the way to sweeping US Navy Submarine build standards change, the USS Thresher (SSN-593) was tragically lost with all ...

Trout Creek resident Marvin Theodore Helsius was a Petty Officer Second Class Machinist’s Mate onboard the nuclear submarine, USS Thresher (SSN 593) during the boat’s final voyage. A profile from the ...

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 ...

Monday, April 10, 2023, marks the 60th anniversary of the loss at sea with all hands of a nuclear submarine USS THRESHER (SSN-593). She was commissioned on August 3, 1961, ...

SSN-593 was the lead boat of a class of 3,700-ton nuclear-powered attack submarines. She was built at Portsmouth Naval Shipyard in Maine, and was commissioned in 1961 when it began its sea trials ...

However, in September when the first 300 pages from the official inquiry into the sinking of the USS Thresher (SSN-593) were released, the Navy said the documents—released under a court order ...

USS Thresher in 1961 ahead of its commissioning. US Navy Photo The first of a new tranche of declassified documents from the investigation from the USS Thresher (SSN-593) disaster could be ...