020727-N-3725V-002 Off the coast of Cape Hatteras, N.C. (Jul. 27, 2002) -- Hospital Corpsman 1st Class David Keener (left) and Chief Hull Technician Brad Flemming breathe oxygen in a decompression chamber after returning from a 240 ft. dive operation conducted on the sunken civil war-era ironclad ship USS Monitor. The famed warship sank during a storm Dec. 31, 1862, off Cape Hatteras, N.C., while being towed to Beaufort, S.C. Four officers and 12 men were lost with the ship. U.S. Navy photo by Photographer?s Mate 1st Class Chadwick Vann. (RELEASED)