U.S. Air Force Chief Master Sgt. Douglas McClain is awarded the Air Force Meritorious Service Medal during his retirement ceremony, Nov. 1, 2014, Barksdale Air Force Base, La. McClain distinguished himself in the performance of outstanding service to the United States while assigned to the 307th Force Support Squadron, 307th Mission Support Group, 307th Bomb Wing, at Barksdale. (U.S. Air Force photo by Master Sgt. Greg Steele/Released)