Sidewalk replacement
U.S. Air Force Staff Sgt. Edson Aglibut, 20th Civil Engineer Squadron, cuts down a tree with a chainsaw before starting construction work, Shaw Air Force Base, S.C., Sept. 3, 2013. Construction started at the 20th Force Support Squadron building to avoid tripping hazards for patrons and employees entering the facility. (U.S. Air Force photo by Airman 1st Class Jensen Stidham/Released)