786 CES perfects purifying proficiency
U.S. Air Force Tech Sgt. Isaac Ruz, 786th Civil Engineer Squadron water and fuel systems maintenance supervisor, left, and Tech Sgt. Nikki Kozar, 786th CES water plant noncommissioned officer in charge, conducts maintenance on water purification systems during proficiency training at Ramstein Air Base, Germany, April 29, 2020. During the training, Airmen learned how to setup, operate, maintain and troubleshoot a reverse water osmosis purification unit. (U.S. Air Force photo by Senior Airman Milton Hamilton)

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Photo by: Senior Airman Milton Hamilton |  VIRIN: 200429-F-VQ832-1068.JPG