EM Railgun Industry Prototype Launchers (IMAGE) Office of Naval Research Caption This photo illustration shows the 32-megajoule prototype demonstrator, built by BAE Systems, top, which arrived at Naval Surface Warfare Center Dahlgren Division on Jan. 30, 2012, and is the first of two industry-built launchers to be delivered to the Navy. General Atomics is building the second launcher, bottom, scheduled for delivery in April 2012. ONR previously relied upon laboratory-built systems to advance the technology. Credit US Navy Illustration Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.