https://www.navsea.navy.mil/Media/News/Article/3249237/recognizing-subsafe-excellence/
Recognizing SUBSAFE Excellence Naval Sea Systems Command News
Nearly 60 years ago, April 9, 1963, while conducting deep-diving tests off the coast of Cape Cod, Mass., USS Thresher (SSN 593) sank. At the time, this was the...
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