Keywords: US Navy 101210-N-7676W-099 The Office of Naval Research Electromagnetic Railgun located at the Naval Surface Warfare Center Dahlgren Division,.jpg en DAHLGREN Va Dec 10 2010 The Office of Naval Research Electromagnetic Railgun located at the Naval Surface Warfare Center Dahlgren Division fired a world-record setting 33 mega-joule shot breaking the previous record established Jan 31 2008 The railgun is a long-range high-energy gun launch system that uses electricity rather than gunpowder or rocket motors to launch projectiles capable of striking a target at a range of more than 200 nautical miles with Mach 7 velocity A future tactical railgun will hit targets at ranges almost 20 times farther than conventional surface ship combat systems U S Navy photo by John F Williams/Released 2010-12-10 101210-N-7676W-099 Navy http //www navy mil/view_image asp id 95179 U S Navy photo by John F Williams PD-USGov-Military-Navy Images from US Navy location Dahlgren Va Railguns |