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The Hunley was assembled by Horace Hunley and was created after the Pioneer. It was the first underwater threat of its time.
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Because the diving planes were pointed downwards, the Hunley sank for the first time killing five crewmembers.
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Given the permission to reman the submarine, Horace put a new crew on the Hunley. However during a practice run, a valve on the ballast was not fully closed to the sea causing the submarine to sink for the secon time killing all on board.
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The Hunley was finally ready for combat. As January approached, last minute changes had to be made and a spar torpedo was added to fix the drifiting problem on the floating torpedo.
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The Hunley encountered the USS Housatonic and sent it's spar torpedo into the side of the ship sinking it withing five minutes.
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The Hunley was found after 131 years of being missing and was finally discovered by Clive Clussler enabling the submarine to be raised from the ocean floor.
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Excavation of the Hunley begins
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It becomes clear that it was an eight man crew on board the Hunley during the sinking of the USS Housatonic.
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The focus of the project moves from the excavation of the submarine to the study of the remains such as bones and artifacts.
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New technology known as cold plasma reduction could speed up the conservation of the Hunley, but scientists must still determine whether or not it can be used.