U.S. Service members assigned to Joint Task Force-Civil Support make their way through a processing line during exercise Vibrant Response 15 at Fort Eustis, Va., April 30, 2015. The exercise will evaluate more than 140 members of JTF-CS headquarters and 610 members of the Defense Chemical, Biological, Radiological and Nuclear Response Force on consequence management operations after a CBRN event. (U.S. Air Force photo by Senior Airman Kimberly Nagle/Released)