Lt. Gen. Robert R. Allardice, 18th Air Force commander, officates the pinning-on ceremony of Brig. Gen. Robert D. Thomas, 15th Ecpeditionary Mobility Task Force commander Aug. 2 at the Omni Hotel in San Antonio. General Thomas recently took over as the 15th EMTF commander during a July 15 change-of-command ceremony. (U.S. Air Force photo/Alan Boedeker)