U.S. Army Soldiers from the 83rd Chemical Battalion, from Fort Stewart, Ga., conduct casualty decontamination operations at the Muscatatuck Urban Training Center during exercise Vibrant Response 14, July 24, 2014. Joint Task Force Civil Support and other Department of Defense agencies participated in the largest confirmation exercise for specialized response forces. (Department of Defense photo by U.S. Navy Petty Officer 1st Class Brian Dietrick/Released)