Spencer Stone promotes to senior airman
Col. Michael Ross, the 60th Medical Operations Squadron commander, presents Airman 1st Class Spencer Stone, a 60th Medical Operations Squadron medical technician, with a promotion certificate. Stone was promoted to senior airman at Travis Air Force Base, Calif., Oct. 30, 2015. Senior Airman Benjamin Kovacevic, Staff Sgt. Roberto Davila, and Chief Master Sgt. Oren Sieff, all from the 60th Medical Group, tacked on Stone's new stripes during a group promotion ceremony at David Grant U.S. Air Force Medical Center. Following his promotion, Stone was promoted to the rank of staff sergeant, effective Nov. 1, by order of Air Force Chief of Staff Gen. Mark A. Welsh III. According to Air Force Instruction 36-502, the chief of staff of the Air Force has the authority to promote any enlisted member to the next higher grade. (U.S. Air Force photo/T.C. Perkins Jr.)