The Navy plans to begin testing of the prototype electromagnetic railgun at sea beginning in fiscal 2016, Rear Adm. Matthew Klunder, the chief of the Office of Naval Research said recently. Both versions of the railgun will be tested on a Joint High Speed Vessel (JHSV). BAE Systems and General Atomics both built separate railguns for the ONR in the prototyping phase of the program. Last year, the ONR selected BAE Systems to build the railgun for the next phase…