U.S. Air Force Staff Sgt. Kathryn Infantino, 55th Operations Support Squadron airfield management, presses a button on the display of the new RT3 friction tester Dec. 11, 2018, on Offutt Air Force Base, Nebraska. The RT3 is used to determine the slickness of the runway, taxiways, and parking aprons, to ensure we have safe, efficient, and effective airfield operations during winter weather conditions. (U.S. Air Force photo by Charles J. Haymond)
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