On May 21, 1968, the crew of the US Navy's Scorpion submarine engaged in communications with land stations. Six days later, the submarine was reported overdue. After an unsuccessful search, the Scorpion and its crew were "presumed lost." However, in October, a Navy research ship located sections of the submarine's hull in approximately 10,000 feet (3,048 m) of water about 400 miles (644 km) southwest of the Azores. What are some theories about how the Scorpion may have sunk? Discuss (http://forum.thefreedictionary.com/postst36422_Nuclear-Submarine-USS--i-Scorpion--i--Sinks--Cause-Unknown--1968-.aspx)
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