U.S. Air Force Airman 1st Class Seth Bryson, a 354th Civil Engineer Squadron pavement and construction equipment operator, sweeps the flight line of foreign object debris April 10, 2017, at Eielson Air Force Base, Alaska. During both summer and winter months the “Dirt Boyz” main priority is to keep the flight line clean. (U.S. Air Force photo by Airman 1st Class Isaac Johnson)