Tag - USS Thresher

Why Did the USS Thresher Sink?

Credit: iStockDocuments pertaining to the sinking of the USS Thresher are currently being declassified by the U.S. Navy.All 129 aboard were killed when the submarine sank in April 1963 while conducting a training operation.The Navy was compelled by a lawsuit to make accident investigation files public.There was no single incident or mistake that led...