Two tactical aircraft maintainers assigned to the 157th Fighter Squadron walk along the flightline during Combat Archer 19-12 on Tyndall Air Force Base, Fla., Sept. 24, 2019. The F-16 Fight Falcon fighter jets from the 157th FS’s integration acted as alert aircraft and simulated an alert scramble replicating a homeland defense mission. (U.S. Air Force photo by Airman 1st Class Bailee A. Darbasie)