Lt. Gen. Anthony J. Cotton, Air University commander and president, passes the Squadron Officer School guidon to Col. Ricky L. Mills, SOS commander and commandant, during a change of command ceremony August 2, 2019, at Maxwell Air Force Base, Alabama. Mills served as the commander, 17th Training Wing, Goodfellow AFB, Texas, prior to taking command of SOS. (U.S. Air Force photo by William Birchfield)

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Photo by: William Birchfield |  VIRIN: 190802-F-NG836-1023.JPG