18th SFS PAR sweep
U.S. Air Force Staff Sgt. Luis Zayas, 18th Security Forces Squadron unit deployment monitor, examines under a vehicle during a local operational readiness exercise on Kadena Air Base, Japan, Sept. 11, 2013. Zayas searched for simulated suspicious and hazardous materials around a building in order to train for real world contingencies in a controlled environment. (U.S. Air Force photo by Naoto Anazawa)