Shannon Day, a volunteer with Massachusetts Military Heroes Fund, replaces broken flags at a Memorial Day display of United States flags on the Boston Common in Boston, Massachusetts, May 23, 2013. According to the Massachusetts Military Heroes Fund, the flags are planted on the Common for fallen Massachusetts service members at the Memorial Day holiday, which will be celebrated on May 27 in the US. [Photo/Agencies]

After placing roses atop the headstone, Amy Mixon of Fernandina Beach, Florida, clasps her hands at the grave of her husband Kelly Mixon at Arlington National Cemetery in Virginia, May 23, 2013. [Photo/Agencies]