U.S. Army Soldiers assigned to the 221st Military Police Detachment engage a simulated active shooter during an advanced law enforcement rapid response exercise at Joint Base Langley-Eustis, Virginia, Nov. 18, 2020. During the exercise, law enforcement officers stormed buildings where individuals playing the role of active shooters hunkered down. (U.S. Air Force photo by Staff Sgt. Joshua Magbanua)