U.S. Air Force Tech. Sgt. Eric Angeles, 307th Civil Engineer Squadron power production specialist, removes a piece of asphalt from a recycler at Tyndall Air Force Base, Florida, Feb. 11, 2020. Angeles learned to operate the asphalt recycler as part of a Rapid Airfield Damage Repair exercise, in which civil engineers from all fields use operate heavy equipment to make inoperable runways usable. (U.S. Air Force photo by Master Sgt. Ted Daigle)