U.S. soldiers placed more than 220,000 small flags at the grave markers in Arlington National Cemetery on Thursday to mark the start of Memorial Day weekend.
May 24, 2012 Pfc. Chad Thatcher uses a pocket knife to sharpen the flat end of a flag stick before planting it in the ground by a grave marker in Arlington National Cemetery on Thursday. The Old Guard, or members of the 3rd U.S. Infantry Regiment, placed flags at the grave markers as part of Memorial Day weekend observances. Michael S. Williamson/THE WASHINGTON POST Buy Photo