Senior Airman Justin Newman, 374th Security Forces Squadron patrolman, leads his team down a hallway in building 314 in search of a shooter during an active shooter scenario March 15, 2012, Yokota Air Base, Japan. Security forces personnel recieve this training annually and is designed to give them the tactics, techniques and procedures to find and neutralize a threat. (U.S. Air Force photo/Staff Sgt. Chad C. Strohmeyer)