Training and engineering practices aboard nuclear subs were revamped after the Thresher and Scorpion sinkings, the latter with the loss of 99 crew.
Around 10:30 AM on April 11, the submarine finally began diving in the area where Thresher was last noted, listening for any signs of distress.
The crews themselves were overconfident in the systems, believing it was impossible for nuclear-powered submarines to lose power.Next
This was done to prevent an overly rapid cool-down of the reactor.
Navy, or that was mentioned in crew men's letters, but the work does not determine a cause for the accident. Portsmouth-Built: Submarines of the Portsmouth Naval Shipyard..Next
Tim Kelly, Executive Producer.
The debris field covered some 134,000 square metres 33 acres.Next
Financial limitations allowed him 12 days to search, and the debris-field search technique he had used for the two submarines was applied to locate Titanic.
As soon as the flooding was contained, the engine room crew would have begun to restart the reactor, an operation that would be expected to take at least seven minutes. For decades, critics charged that keeping the Thresher investigation files secret was part of a coverup. The Navy also established additional safety procedures, which included the adoption of the SUBSAFE Program.Next
Pictorial Parade Getty Images According to the panel of experts, the Navy was rushing to get the Thresher into the fleet to counter a new class of Soviet nuclear submarines.
In 2008, "All Hands Down" attempted to link the sinking of Scorpion with the , the , and the Cold War.
The was alerted on 11 April and brought from San Diego to Boston.
Shortly after her loss, the wrote in the March 1964 issue of the 's monthly journal Proceedings that "the Navy had depended upon this performance to the extent that it had asked for and received authority to build 14 of these ships, as well as an additional 11 submarines with very much the same characteristics. Preliminary findings said a leak caused the electrical system to short-circuit and the problem spread to other electronics. The Death of the USS Thresher: The Story Behind History's Deadliest Submarine Disaster.Next
Retrieved 25 September 2020.
Accompanied by the submarine rescue ship Skylark, she sailed to an area some 190 nmi east of Cape Cod, Massachusetts, and on the morning of 10 April started deep-diving tests. Four sets of Thresher documents have been released since September 2020, along with two additional sets of related reports Bryant requested.
But what happened in the lead-up to this catastrophe is now far less certain.