307th CES takes on Silver Flag
A U.S. Airman takes a water sample during Silver Flag at Tyndall Air Force Base, Florida, Feb. 11, 2020. A Reverse Osmosis Water Purification Unit was used during the course to provide an adequate water supply for hundreds of Air Force civil engineers involved in the course. (U.S. Air Force photo by Master Sgt. Ted Daigle)

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Photo by: Master Sgt. Ted Daigle |  VIRIN: 200211-F-YH293-1047.JPG