http://news.yahoo.com/150-years-confederate-submarines-hull-again-revealed-155951557.html The first submarine in history to sink a enemy ship. 1864 "A century and a half after it sank and a decade and a half after it was raised, scientists are finally getting a look at the hull of the Confederate submarine H.L. Hunley. Last May, it was finally ready to be bathed in a solution of sodium hydroxide to loosen the encrustation. Then in August, scientists using small air-powered chisels and dental tools began the laborious job of removing the coating. Now about 70 percent of the outside hull has been revealed." It was speculated the crew ran out of air and died, but know after exposing the submarine, they think the crew was knocked unconscious by a shockwave and died. Inside with hand cranks that powered the sub. Union Medallion found on crew members remains. Crew members shoe. Tabacco pipe found in the Hunley. Candle used on the Hunleys last night. Pencil stub used that night of its sinking. Confederate Artillery button found near remains of a crew member. Pocket Watch of the commanding officer.