Evolution, not revolution: CSAF Osan immersion
U.S. Air Force Staff Sgt. Christina Bair, 51st Fighter Wing weapons safety manager, receives a coin from Air Force Chief of Staff David L. Goldfein during a coining ceremony at Osan Air Base, Republic of Korea, Oct. 31, 2016. Goldfein rewarded high-performance Osan Airmen with his coin for their part in executing the 51st Fighter Wing mission. (U.S. Air Force photo by Senior Airman Dillian Bamman)

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Photo by: Dillian Bamman |  VIRIN: 161031-F-LM669-184.JPG