A civilian role-player, playing the role of a blast victim who cannot walk, is "decontaminated" by soldiers from the Army Reserve's 108th Chemical Battalion out of South Carolina at Muscatatuck Urban Training Center in Butlerville, Ind., on July 15 during Vibrant Response 10.2. This year's Vibrant Response is a national emergency response exercise designed to create the realism of an American city following a nuclear blast.