Osan engineers, 554th Red Horse Squadron team up for training
U.S. Air Force Airman 1st Class Michael Blumer, center, pulls a vibrating screed during rapid airfield damage recovery (RADR) training at Osan Air Base, Republic of Korea, April 19, 2019. RADR is a quick process used to repair damages on an airfield where civil engineers evaluate damages, prepare areas for repair and pour concrete to get the airfield back to mission ready. Blumer is a heating, ventilation and air conditioning apprentice assigned to the 51st Civil Engineer Squadron. (U.S. Air Force photo by Staff Sgt. Ramon A. Adelan)

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Photo by: Staff Sgt. Ramon A. Adelan |  VIRIN: 190419-F-HK496-1190.JPG