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)