U.S. Air Force Staff Sgt. Phillip Coley, 20th Civil Engineer Squadron water and fuels systems maintenance craftsman, inspects the outside of a water tower at Shaw Air Force Base, S.C., July 8, 2014. During its yearly inspection, the water is checked for metal corrosion, severe paint damage and locked hatches. (U.S. Air Force photo by Airman 1st Class Jensen Stidham/Released)