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The Sad Reason a Navy Submarine Was 'Nearly Broken in Half'
Still, two were lost to accidents. The first was the USS Thresher (SSN-593), the lead boat of a class of nuclear-powered attack submarines developed in the late 1950s. She sank during deep tests ...
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A ' Leak in the Engine Room' Sealed the Fate of a U.S. Navy Submarine
What You Need to Know: Commissioned in 1961, the USS Thresher (SSN-593) was the most advanced nuclear-powered attack submarine of its time, designed to dive deeper and operate more quietly than ...