Discipline in defense: Patrol Airmen drill response measures
U.S. Air Force Tech. Sgt. Timothy Lombardi, a patrolman with the 379th Expeditionary Security Forces Squadron, secures a threshold in an active shooter training facility at Al Udeid Air Base, Qatar, March 30, 2017. Active shooter incident response training helps prepare patrol Airmen for possible real-world situations they may respond too. (U.S. Air Force photo by Senior Airman Cynthia A. Innocenti)