U.S. Army Sgt. Jeffrey Brahim, 221st Military Police Detachment training non-commissioned officer, plays the role of an active shooter during an advanced law enforcement rapid response exercise at Joint Base Langley-Eustis, Virginia, Nov. 18, 2020. The exercise was designed to emphasize teamwork within security response teams in tackling threats to the community. (U.S. Air Force photo by Staff Sgt. Joshua Magbanua)