030307-N-0000X-001 Charleston Navy Yard, S.C. (Mar. 7, 2003) -- Senior Conservator of the Civil War-era Confederate submarine the H.L. Hunley, Paul Mardikian, uses a microscope to examine a pocket watch that belonged to the sub’s commanding officer, Lt. George Dixon. The watch was retrieved from the Hunley and archeologists hope to use it to determine the time the sub sank on February 17, 1864. U.S. Navy photo. (RELEASED)