Air Force Staff Sgt. Phillip Coley, 20th Civil Engineer Squadron water and fuels systems maintenance craftsman, completes inspects the cathodic protection inside of a water tower at Shaw Air Force Base, , July 8, 2014. Cathodic protection controls the metal corrosion of the 250,000 gallon water tower. ( Air Force photo by Airman 1st Class Jensen Stidham/Released)

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Size: 1290px × 1938px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, airforce, force, military, states, tower, united, usa, water