An Airman with the 144th Fighter Wing from Fresno Air National Guard Base, California, prepares an F-15C Eagle for take off at Tyndall Air Force Base, Florida, Nov. 6, 2020. Checkered Flag is a large-force exercise that fosters interoperability through the incorporation of fourth and fifth-generation aircraft in combat training. The 21-1 iteration of the exercise was held at Tyndall Air Force Base, Florida, Nov. 2-9, 2020. (U.S. Air Force photo by Airman 1st Class Tiffany Price)