U.S. Air Force Senior Airman Sergio Miranda, right, 422nd Security Forces Squadron response force member, and other security forces members, enter a building in response to a simulated attack call during an exercise at RAF Croughton, England, Sept. 22, 2020. The 501st Combat Support Wing exercise tested preparedness and interoperability by responding to a simulated active stabber situation. (U.S. Air Force photo by Senior Airman Jennifer Zima)