Soliders from the U.S. Army Old Guard place flags at grave stones at Arlington National Cemetery May 21, 2009 in Arlington, Virginia. It took 1,300 soldiers, sailors and Marines about three hours to place a flag at each of the more than 300,000 gravestones at Arlington ahead of the Memorial Day weekend

Visitors walk among white marble crosses at the American Cemetery, in Colleville sur Mer. Traces of World War II can still be found across this stretch of Normandy, on the beaches, in the museums and above all, in the cemeteries where President Obama, French President Nicolas Sarkzoy and some of the last veterans will commemorate the 65th anniversary of the June 6, 1944 landings

War Memorial in Natick, Massachusetts

Laura Youngblood, widow of U.S. Navy Petty Officer Travis L. Youngblood, touches his gravestone while visiting his grave in Section 60 of Arlington National Cemetery during the Memorial Day weekend in Arlington, Virginia, May 24, 2009

remains of the USS LST-480