Active shooter exercise increases vigilance for Al Udeid Airmen
U.S. Air Force Senior Airman Brandon Rivers, 379th Expeditionary Security Forces Squadron, enters a building to search for a simulated gunman during an active shooter exercise, Dec. 10, 2014, at Al Udeid Air Base, Qatar. Rivers is deployed from Charleston Air Force Base, S.C. Airmen from the 379th ESFS are responsible for clearing a building during an active shooter exercise to remove the threat, allowing medical personnel to respond to simulated wounded inside. (U.S. Air Force photo by Senior Airman Kia Atkins)