U.S. Army Spc. Neal McIver, left, and Spc. Robert Houston,

U.S. Army Spc. Neal McIver, left, and Spc. Robert Houston, water purification specialists assigned to the 1204th Aviation Support Battalion, Kentucky Army National Guard, conduct a final inspection of a water pump that will be transported to Forward Operating Base Night Hawk during exercise Vibrant Response 13-2 at Camp Atterbury, Ind., Aug. 2, 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. (U.S. Army Photo by Staff Sgt. Alexandria Brimage-Gray/Released)