The first submarine in history to sink an enemy warship is upright for the first time in almost 150 years, revealing a side of its hull not seen since it sank off the South Carolina coast during the Civil War.
A decade after the raising of the Confederate submarine H.L. Hunley off the South Carolina coast, the cause of the sinking of the first sub in history to sink an enemy warship remains a mystery. But scientists are edging closer.
