Active shooter scenario tests Airmen's skills
18th Security Forces Squadron members form up in a stack prior to entering a classroom at Kadena High School on Kadena Air Base, Japan, June 6, 2013. An active-shooter training scenario prompted the cops to perform a sweep of the campus to further check, secure and ensure the safety of students and personnel at the school in case of a real-world situation. (U.S. Air Force photo by Airman 1st Class Keith A. James/Released)