Runners trek across the flightline during the “Gobble Wobble” 5K race at Langley Air Force Base, Va., Nov. 22, 2013. The race was held by the Langley First Sergeants Council to collect donations for Operation Warmheart, which supports military families in need during the holiday season. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)