Master Sgt. Glenn Walker is honored as a new Senior NCO during a 315th Airlift Wing SNCO induction ceremony June 23, 2012 at Joint Base Charleston, S.C. Col. Terry Lawrence, 315 AW Operations Group commander, and Chief Master Sgt. Gigi Manning, 315 AW command chief master sergeant, presided over the event. Sergeant Walker works with the 315 AW Aircraft Maintenance Squadron. (U.S. Air Force Photo/Staff Sgt. Shane Ellis)