A U.S. Air Force Airman assigned to the 386th Expeditionary Civil Engineer Squadron moves tabletop pieces during the Air and Missile Defense Exercise 21-1 at Ali Al Salem Air Base, Kuwait, Oct. 22, 2020. AMDEX is led by U.S. Air Forces Central Command to test participating forces’ transition from steady-state operations to active combined defense of the region. (U.S. Air Force photo by Senior Airman Kenneth Boyton)