Service members, Department of Defense civilians and members of the House Armed Services Committee gather for a capabilities briefing of the Active Denial System at Fort Eustis, Va., Sept. 12, 2013. With more than 15 years of research and exposing 11,800 volunteers, the ADS system has demonstrated its effectiveness and the ability to use it with minimal risk of injury. (U.S. Air Force photo by Staff Sgt. Wesley Farnsworth/Released)