In this image, provided by the U.S. Navy, a high-speed video camera captures a record-setting firing of an electromagnetic railgun, or EMRG, at the Naval Surface Warfare Center, Dahlgren, Va., on Thursday, Jan. 31, 2008, The EMRG fired at 10.64 megajoules with a muzzle velocity of 2520 meters per second. The Office of Naval Research's EMRG program is part of the Department of the Navy's Science and Technology investments, focused on developing new technologies to support Navy and Marine Corps war fighting needs. (AP Photo/U.S. Navy, John F. Williams)