U.S. Army Spc. Timothy Pendley, a medic with the 7217th Medical Support Unit,informs incoming personnel of the environmental hazards they should be aware of during Vibrant Response 13-2 at Camp Atterbury, Ind., Aug. 10, 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. (Army Photo by Sgt. Juana M. Nesbitt, 13th Public Affairs Detachment)