U.S. Air Force Senior Master Sgt. Glendon Schmitz, 10th Intelligence Squadron operations flight chief, selects an angel from the Angel Tree in the entrance to the Exchange at Langley Air Force Base, Va., Dec. 10, 2013. The Angel Tree program helps provide gifts for families who may not be able to afford them otherwise. (U.S. Air Force photo by Staff Sgt. Wesley Farnsworth/Released)