190917-N-PO203-0377 QUANTICO, Va. (Sept. 17, 2019) William Friend, left, from Naval Surface Warfare Center Dahlgren Division, talks with U.S. Rep. Rob Wittman from Virginia about the Office of Naval Research (ONR) Global TechSolutions-sponsored Tactically Reconfigurable Artificial Combat Enhanced Reality (TRACER) system during a visit to the ONR exhibit at Modern Day Marine. TechSolutions partnered with Naval Surface Warfare Center Dahlgren Division to develop the TRACER package, which consists of a virtual-reality headset, a backpack, a state-of-the-art simulated weapon designed to deliver realistic recoil, and a software package that creates multiple and adaptable simulation scenarios for security personnel to experience. (U.S. Navy photo by John F. Williams/Released)