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BAGRAM AIRFIELD, Afghanistan -- Staff Sgt. Ryan Bobholz, 1st Expeditionary RED HORSE Group, instructs Chief Master Sgt. David Williamson, 455th Air Expeditionary Wing command chief, on how to use the vibe. The vibe is a metal tube at the end of a thick cable that sends vibrations into the wet concrete in order to spread it out and settle it as it is poured. Chief Williamson and Brig. Gen. Bill Hyatt, 455th AEW commander, visited the RED HORSE Airmen to view the progress they had made and lend a helping hand from senior leadership. (U.S. Air Force photo by Staff Sgt. Craig Seals)
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