U.S. Air Force Chief Master Sgt. David Belcher conducts the final roll call during the remembrance ceremony and retreat at Bagram Airfield, Afghanistan, May 26, 2015. Belcher is a command chief assigned to the 455th Expeditionary Mission Support Group. U.S. Air Force Chief Master Sgt. David Belcher conducts the final roll call during the remembrance ceremony and retreat at Bagram Airfield, Afghanistan, May 26, 2015. Belcher is a command chief assigned to the 455th Expeditionary Mission Support Group. SHARE: Download: Full Size (1.76 MB) Tags: Photo Essays Credit: VIRIN: 854146-C-DWT69-581.jpg Photo Gallery