Chairman of the Joint Chiefs of Staff Gen. Peter Pace, U.S. Marine Corps, delivers remarks during Pentagon observances on Sept. 11, 2006, marking the 5th anniversary of the terrorist attack on the building. Vice President Dick Cheney (left) and Secretary of Defense Donald H. Rumsfeld (behind Pace) also delivered remarks to the audience of relatives of the 184 Pentagon and American Airlines Flt. 77 victims as well as Pentagon employees.