U.S. Secretary of Defense Leon Panetta visits grave sites on Memorial Day at Arlington National Cemetery in Arlington, Va., Monday, May 28, 2012. (Rod Lamkey Jr/The Washington Times)

Photo by: ROD LAMKEY JR

U.S. Secretary of Defense Leon Panetta visits grave sites on Memorial Day at Arlington National Cemetery in Arlington, Va., Monday, May 28, 2012. (Rod Lamkey Jr/The Washington Times)