President Obama lays a wreath at Arlington National Cemetery 's Tomb of the Unknowns . Obama tells Americans to honor the values of American servicemen and women . He is joined by Defense Secretary Gates and Joint Chiefs of Staff Chairman Gates . The Obamas host the Medal families at the White House .
President Obama lays a wreath at Arlington National Cemetery 's Tomb of the Unknowns . Obama tells Americans to honor the values of fallen servicemen and women . Obama is joined by Defense Secretary Gates and Joint Chiefs of Staff Chairman Mullen . The Obamas host Gold Star families at the White House .