U.S. Air Force Senior Airman Logan Langley, a network technician with the 18th Communications Squadron, begins a post-attack reconnaissance sweep during exercise Beverly High 12-5 on Kadena Air Base, Japan, Aug. 22, 2012. Beverly High is an operational readiness exercise that focuses on responding to real-world contingencies. The purpose of the sweep is to check for injured persons, damage to the building, contaminants or unexplained explosive ordinances. (U.S. Air Force photo by Airman 1st Class Brooke P. Beers/Released)