A U.S. Airman shovels construction aggregate during Silver Flag at Tyndall Air Force Base, Florida, Feb. 12, 2020. More than 250 Air Force civil engineers took part in Silver Flag, which includes instruction in Rapid Airfield Damage Repair, a concept designed to quickly put inoperable air strips back into service. The group, comprised of Reservist Citizen Airmen and active-duty, worked together to complete the project. (U.S. Air Force photo by Master Sgt. Ted Daigle)