U.S. Air Force Airmen from the 386th Expeditionary Civil Engineer Squadron take cover during the Air and Missile Defense Exercise 21-1 at Ali Al Salem Air Base, Kuwait, Oct. 22, 2020. Regular U.S. participation in exercises, such as AMDEX 21-1, reassures regional partners and allies of its commitment to the security and stability of the region. (U.S. Air Force photo by Senior Airman Kenneth Boyton)