Vice President Dick Cheney addresses family members of victims of the Sept. 11, 2001, terrorist attack on the Pentagon on during the five-year observance ceremony on Sept. 11, 2006. Seated on the dais from left to right are Chaplain Lt. Col. William O. Barefield, U.S. Army, Secretary of Defense Donald H. Rumsfeld, Chairman of the Joint Chiefs of Staff Gen. Peter Pace, U.S. Marine Corps and Chaplain Capt. Jonathan Frusti, U.S. Navy.