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USS Thresher - 9 April 1963
50 Years Later: The Legacy of USS Thresher
Edit: Fixed typo in title
50 Years Later: The Legacy of USS Thresher

A child?s drawing of a lost submarine rests behind Plexiglas in a back corner of the National Museum of the Navy in Washington, D.C., seemingly out of place amid massive ship models and aircraft dangling from the ceiling.
?USS Thresher/ Bruce Harvey/ crayon,? reads its art-museum-style description. ?The young son of Commander John Harvey, skipper of Thresher, drew the boat on the ocean floor after hearing of its loss. Bruce?s father and 128 other men died when the submarine sank off the New England coast.?
Thresher (SSN-593), at the time the Navy?s fastest and most powerful submarine, represented a leap forward in the Cold War fight against the Soviets. When she put to sea for the last time in April 1963, she represented the bleeding edge of undersea warfare.
?This was just incredible technology,? Bruce Harvey told USNI News in a recent telephone interview. ?These guys were the first. . . . It was just like the astronaut program, if you were there the first five years, you saw something different from what everybody else saw.?
Bruce?s father, Lt. Cmdr. John Harvey, was part of that elite community. The elder Harvey served in the first nuclear boat, USS Nautilus (SSN-571), on her 1958 polar expedition.
Nautilus proved to the world?and the Soviets?that the only limit to the range of a nuclear submarine was the amount of food the crew needed.
Thresher was designed to be better.
?Thresher was the fastest, deepest diving, most capable submarine in the word,? Rear Adm. David Duryea, Naval Sea Systems Command?s, deputy commander for undersea warfare told USNI News in a recent interview. ?This was the pride of the U.S. Navy.?
On 9 April 1963, Thresher put to sea to conduct a series of sea trials following an overhaul accompanied by USS Skylark (ASR-20), a Penguin-class submarine rescue ship, according to the 1975 book The Thresher Disaster.
The next morning, Thresher descended to 1,000 feet in a deep-diving test.
Forty-six minutes after reaching test depth, things began to go very wrong.
Thresher suffered a mechanical failure and Harvey?s attempts to bring the boat to the surface failed.
Four minutes after Skylark learned there were problems, Thresher sent her last garbled transmission, ?exceeding test depth.? One minute later Skylark detected a noise that shared the characteristics of an implosion.
The next day, Navy officials announced the ship was lost.
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