Mosaic image of the sail of the USS Thresher (SSN-593) on the seabed at 2,600m. The USS Thresher was the first nuclear submarine lost at sea. Photo taken between 1963 and 1966.
The USS Thresher was undertaking dive trials when it encountered trouble. It’s not clear what exactly happened, but it is thought that either a pipe joint failed, flooding the engine room, or an electrical bus failed. Either way, it is thought that the reactor shut down and that ice blocked the air pipes while trying to blow the ballast tanks. The Thresher sank until water pressure caused it to implode, ripping it to pieces.
The picture is a mosaic made from smaller pictures which shows the sail, or “conning tower”. Not the dive plane is completely reversed.
I hope to be remembered for my atrocities! 
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