President George W. Bush lays a wreath at the Tomb of the Unknowns. President George W. Bush lays a wreath at the Tomb of the Unknowns during Memorial Day ceremonies at Arlington National Cemetery on May 29, 2006. Secretary of Defense Donald H. Rumsfeld and Chairman of the Joint Chiefs of Staff Gen. Peter Pace, U.S. Marine Corps, later joined Bush in paying tribute to generations of Americans who have died while serving their country. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 739506-R-VTW68-153.jpg Photo Gallery