U.S. Air Force Chief Master Sgt. Rene Horne, 173rd Medical Group, wears her new rank of E-9 on her blues top, during her Chief Master Sgt. pinning ceremony at Kingsley Field in Klamath Falls, Oregon on July 10, 2021. Horne is the 255th Chief Master Sgt. to reach the grade of E-9 in the state of