Keywords: U.S. Navy Chief of Naval Operations Adm 080131-N-FI224-090.jpg U S Navy Chief of Naval Operations Adm Gary Roughead center attends the electromagnetic railgun live-fire demonstration at the Naval Surface Warfare Center Dahlgren Division in Dahlgren Va Jan 31 2008 Designed as a weapons platform for future Navy warships the railgun uses electricity and magnetism to launch projectiles rather than chemical propellants U S Navy photo by Mass Communication Specialist 1st Class Tiffini M Jones Released 2008-01-31 MC1 Tiffini M Jones http //www defenseimagery mil/imageRetrieve action guid ea69ac9364c074658a088266f0b0dccf0ac61820 t 2 Public domain photograph from defenseimagery mil http //www defenseimagery mil/imagery html guid ea69ac9364c074658a088266f0b0dccf0ac61820 080131-N-FI224-090 Dahlgren PD-USGov-Military-Navy Images from DoD uploaded by Fæ check needed Images from DoD uploaded by Fæ Gary Roughead in 2008 U S Naval Surface Warfare Center Dahlgren Division |