Friday, April 05, 2013

Retrospective On The Sinking Of The Submarine Thresher

Fifty years have passed since the tragedy, and with that milestone, a reassessment:
Thus, beyond reasonable doubt, the available evidence defines the initial Thresher casualty as an electrical bus failure, which shut down the submarine's main coolant pumps causing the instant reactor scram. Unable to rapidly restart the reactor to regain propulsion, and unable to blow ballast, the Thresher slowly sank toward the ocean floor — a depth of 8,400 feet — with 129 men on board.

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