The Electromagnetic Railgun is a long-range weapon that fires projectiles using electricity instead of chemical propellants. Magnetic fields created by high electrical currents accelerate a sliding metal conductor, or armature, between two rails to launch projectiles at 4,500 mph. <br /> <br />Watch as the Office of Naval Research and Naval Surface Warfare Center, Dahlgren Division, conduct the first shot of the Railgun at the terminal range November 2016.
