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U.S. flags are seen in the rucksack of a soldier with the Army's 3d U.S. Infantry Regiment, The Old Guard, as he places flags at gravesites in Arlington National Cemetery as part of the Flags-In Memorial Day ceremony on May 24, 2012 in Arlington, Virginia. American flags were placed at each of the more than 220,000 grave markers in honor of those who served and Memorial Day. UPI/Kevin Dietshc