U.S. Air Force Lt. Gen. John Hesterman, U.S. Air Forces Central Command commander, speaks with Airmen from the 455th Expeditionary Communications Squadron at Bagram Airfield, Afghanistan Oct. 7, 2014. Hesterman visited several units and thanked Airmen for their service. (U.S. Air Force photo by Staff Sgt. Evelyn Chavez/Released)