U.S. Air Force Airman 1st Class Davon Thompson, left, Airman 1st Class Requavious Barnes, center, and Tech. Sgt. Jeremy Carnahan, 20th Civil Engineer Squadron pavement and construction equipment apprentices and craftsman, respectively, move broken pieces of concrete into a front-end loader at Shaw Air Force Base, S.C., Aug. 10, 2017. The Airmen removed approximately five cubic yards of concrete during a project to remove and replace an uneven sidewalk that presented a tripping hazard. (U.S. Air Force photo by Airman 1st Class Kathryn R.C. Reaves)