Airman assigned to the 757th Aircraft Maintenance Squadron, preform a foreign-object damage (FOD) walk during Combat Archer 19-12 at Tyndall Air Force Base, Fla., Sept. 24, 2019. FOD walks are designed to retrieve trash, rocks or other loose objects that pose a hazard to running aircraft. (U.S. Air Force photo by Airman 1st Class Bailee A. Darbasie)