Joint Base Andrews Airmen applaud during a homecoming celebration for the Snowball Express at Ronald Reagan Washington National Airport, Washington, D.C., Dec. 4, 2012. The Snowball Express is Honors America’s fallen military service members who have made the ultimate sacrifice since Sept. 11, 2001 by humbly serving the families they left behind. (U.S. Air Force photo/ Airman 1st Class Erin O'Shea)