CES water & fuels: Maintaining Andrews
Senior Airman Dominic Koah, 11th Civil Engineer Squadron water and fuels systems specialist, opens a water valve outside Hangar 13 on Joint Base Andrews, Md., Aug. 19, 2015. In addition to repairing the facilities fire suppression system, they also checked for leaks inside and outside of the hangar. (U.S. Air Force photo by Staff Sgt. Chad C. Strohmeyer)(Released)

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Tags: 11th Wing
Photo by: Staff Sgt. Chad C. StrohmeyerReleased |  VIRIN: 150819-F-IF940-046.JPG