Chief Master Sgt. Mark E. Barber prepares to lead Airmen and guest of the 315th Airlift Wing at Joint Base Charleston, S.C.in singing the Air Force Song during the induction ceremony Sept. 10, 2011 for the wing's newest noncommissioned officers and senior noncommissioned officers. Chief Barber is the 315th Aircraft Maintenance Squadron first sergeant. (U.S. Air Force photo\Staff Sgt. Shane Ellis)