210507-F-JE952-1039
U.S. Air Force Airman 1st Class William Cunningham, 81st Air Control Squadron weapons director, left, and Drew Buckingham, 81st ACS live technician, right, monitor the airspace during a simulation at Tyndall Air Force Base, Florida, May 7, 2021. The 81st ACS simulated having a large number of aircraft in the Gulf Range Complex at once in order to prepare for over 70 joint aircraft that participated in the Checkered Flag 21-2 exercise. (U.S. Air Force photo by Senior Airman Cheyenne Lewis)