Memorial Day: "Flags In" at Arlington

Pfc. Johnny Allen, 3d U.S. Infantry Regiment (The Old Guard), Charlie Company, places American flags at headstones in Section 12 of Arlington National Cemetery, Va., during “Flags in,” May 21, 2015. The Old Guard has conducted “Flags-in,” when an American flag is placed at every headstone, since 1948. U.S. Army photo by Rachel Larue.