U.S. Air Force Master Sgt. Robert Mediavilla, 633rd Medical Group first sergeant, gathers food donations in a “basket” as part of an Operation Warmheart holiday food drive at Langley Air Force Base, Va., Nov. 24, 2013. Operation Warmheart is a year-round charity program led by the Langley First Sergeants Council to assist Airmen in need. (U.S. Air Force photo by Airman 1st Class Kimberly Nagle/Released)