Members of the 28th Civil Engineering Squadron Dirt Boyz drive Oshkosh H-series trucks with front-mounted sweepers to scrub the runway of Ellsworth Air Force Base, S.D., April 24, 2022. The Dirt Boyz make multiple passes up and down the runway until all dangerous rubber deposits have been removed. (U.S. Air Force photo by Airman 1st Class Adam Olson)