U.S. Air Force Brig. Gen. Mark D. Kelly, commander of the 455th Air Expeditionary Wing, gives a speech during a remembrance ceremony and retreat at Bagram Airfield, Afghanistan, May 26, 2015. U.S. Air Force Brig. Gen. Mark D. Kelly, commander of the 455th Air Expeditionary Wing, gives a speech during a remembrance ceremony and retreat at Bagram Airfield, Afghanistan, May 26, 2015. SHARE: Download: Full Size (1.58 MB) Tags: photo essays Credit: VIRIN: 759600-L-OUX18-822.jpg Photo Gallery