Master Sgt. John Norman, 731st Air Mobility Squadron, sings the Korean and U.S. national anthems during the Seventh Air Force change of command ceremony at Osan Air Base July 8, 2016. Lt. Gen. Thomas W. Bergeson became the 34th commander of Seventh Air Force, taking over for Lt. Gen. Terrence J. O'Shaughnessy who moves on to take over as Pacific Air Forces commander. (U.S. Air Force photo by Senior Airman Dillian Bamman/Released)

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Photo by: Dillian Bamman |  VIRIN: 160708-F-LM669-080.JPG