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Norman Polmar
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EricCWelch
EricCWelch rated it 14 years ago
The Thresher came alive in 1963. It was to be a short life. Manufactured from the new “stronger steel—the so-called HY-80 steel which could withstand the pressure of 80,000 pounds per square inch before it would start pulling apart. With a submarine hull built for deeper operation the Navy would get...
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