786 CES perfects purifying proficiency
U.S. Air Force Senior Airman Brandon Williams, 786th Civil Engineer Squadron water and fuel systems maintenance journeyman, conducts a water purification test during proficiency training at Ramstein Air Base, Germany, April 29, 2020. The 786th CES water and fuel systems maintenance Airmen ensure military installations in austere environments have purified drinking water and potable water for maintaining health and sanitation. (U.S. Air Force photo by Senior Airman Milton Hamilton)

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Photo by: Senior Airman Milton Hamilton |  VIRIN: 200429-F-VQ832-1073.JPG