An Airman from the 422nd Security Forces Squadron, left, opens fire on a simulated active shooter during a tri-agency active shooter response exercise at RAF Croughton, England, June 30, 2021. Airmen from the 422nd SFS along with police officers from the Northamptonshire Police Department and Ministry of Defense, participated in multiple exercises to enhance their search and seizure tactics, strengthen local ties and gain rapport with their fellow officers. (U.S. Air Force photo by Senior Airman Eugene Oliver)