New Declassified Documents Reveal the Truth About Why the USS Thresher Sank

·1 min read
Photo credit: Pictorial Parade - Getty Images
Photo credit: Pictorial Parade - Getty Images
  • The U.S. Navy is in the process of declassifying files related to the sinking of the USS Thresher.

  • The submarine sank in April 1963 during a training exercise, killing all 129 people on board.

  • A lawsuit forced the Navy to release files from the accident investigation.

A trove of recently declassified files on the tragic 1963 sinking of the nuclear-powered attack submarine USS Thresher confirm the U.S. Navy didn’t cover up the mysterious accident—and, in fact, there was no single event or error that caused the sub to sink.

Last year, a retired Navy submarine commander won a lawsuit forcing the service to release its report on what happened to the Thresher, which sank during diving tests in April 1963, claiming the lives of the entire 129-person crew. Keep reading with Pop Mech Pro

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