Transportation specialists assigned to the 823rd Movement Control Team, an U.S Army Reserve unit from Montana, and the 1120th Transportation Battalion, Arizona National Guard, unload a vehicle at the marshaling yard in Camp Atterbury Joint Maneuver Training Center, July 30. Approximately 5,500 military and civilian personnel from across the country travel to Indiana to take part in the U.S. Northern Command led exercise. 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. (U.S. Army photo by Spc. Caitlyn Byrne, 27th Public Affairs Detachment)