U.S. Air Force Airmen from the 52nd Civil Engineer Squadron pavements and construction equipment shop use a jackhammer on concrete at Spangdahlem Air Base, Germany, Sept. 10, 2020. The Dirt Boyz fixed two large cracks on the flightline which prevented obstructions caused by foreign object debris. (U.S. Air Force photo by Airman 1st Class Alison Stewart)