President George W. Bush and first lady Laura Bush wave the flag and sing "God Bless America" during a memorial service at the Pentagon on Oct. 11, 2001, in honor of those who perished in the terrorist attack on the building. President Bush, Secretary of Defense Donald H. Rumsfeld and Chairman of the Joint Chiefs of Staff Gen. Richard B. Myers, U.S. Air Force, eulogized the 184 persons killed when a terrorist hijacked airliner was purposely crashed into the southwest face of the building on Sept. 11, 2001.