Various U.S. military leaders and distinguished guests to the Camp Attterbury Joint Maneuver Training Facility, Ind., walk down to a simulated train station, during a tour of the Muscatatuck Urban Training Center, Aug. 5, during the Vibrant Response 14 training exercise. Vibrant Response is a U.S. Northern Command-sponsored, U.S. Army North led 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: Spc. Caitlyn Byrne, 27th Public Affairs Detachment)