U.S. Army Sgt. Brandon Bates, left, military police

U.S. Army Sgt. Brandon Bates, left, military police officer, 1139th Military Police Company, Missouri Army National Guard, and Sgt. Jared Sweet, Infantryman, Headquarters and Headquarters Company, 76th Infantry Brigade Combat Team, Indiana Army National Guard, run to meet a UH-60 Black Hawk medical evacuation helicopter while serving as emergency medical technicians for a simulated evacuation scenario during exercise Vibrant Response 13-2 at Camp Atterbury, Ind., Aug. 3, 2013. Vibrant Response is a U.S. Northern Command-sponsored field training exercise for chemical, biological, radiological, nuclear and high-yield explosive consequence management forces designed to improve their ability to respond to catastrophic incidents. (U.S. Army Photo by Staff Sgt. Alexandria Brimage-Gray/Released)