Keywords: US Navy 120130-N-PO203-029 A prototype is maneuvered into place for government evaluation.jpg en DAHLGREN Va Jan 30 2012 A 32-MJ version of the Office of Naval Research-funded Electromagnetic Railgun EMRG prototype is maneuvered into place for government evaluation The EMRG is a long-range weapon that launches projectiles using electricity instead of chemical propellants and is under development by the Department of the Navy for use aboard ships U S Navy photo by John F Williams/Released 2012-01-30 120130-N-PO203-029 Navy http //www navy mil/view_image asp id 114574 U S Navy photo by John F Williams PD-USGov-Military-Navy Images from US Navy location Dahlgren Va |