A Muscatatuck Urban Training Center employee walks along the train graveyard as fire and smoke fill the background, July 23. Every day during the exercise employees work feverishly to reset the disaster scenario. MUTC is hosting the Vibrant Response 14 exercise for active duty, reserve and National Guard elements responding to a nuclear disaster. (U.S. Army photo by Sgt. Matthew Thompson, 7th Mobile Public Affairs Detachment)