An audience of approximately 15,000 people fills the parking lot, parade field and lower parade field at the Pentagon River entrance on Oct. 11, 2001, for the Pentagon memorial service in honor of those who perished in the terrorist attack on the building. President George W. 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.