AP Photo/J. Scott Applewhite
Five years after the Sept. 11, 2001 terror attacks on America, first responders salute from atop the flag-draped Pentagon during a ceremony, Monday, Sept. 11, 2006.
AP Photo/Charles Dharapak
Vice President Dick Cheney, second from left, Defense Secretary Donald H. Rumsfeld, second right, stand with Chairman of the Joint Chiefs of Staff Gen. Peter Pace, obscured right, and U.S. Army Chaplain Lt. Col. William O. Barefield, far left, during the playing of "America the Beautiful" at a memorial ceremony on the fifth anniversary of the terrorist attacks Monday, Sept. 11, 2006 at the Pentagon.
AP Photo/J. Scott Applewhite
Five years after the Sept. 11, 2001 terror attacks on the Pentagon, families of the victims wave American flags during a ceremony honoring the 184 people who were killed when hijacked American Airlines flight 77 crashed into the home of the U.S. military, Monday, Sept. 11, 2006 at the Pentagon.
GETTY IMAGES/Brendan Smialowski
A light for each victim of the Sept. 11, 2001, terror attacks on the Pentagon is beamed into the sky Sept. 11, 2006, in Virginia. The lights will beam skyward during the nights of Sept. 10 and 11 to commemorate the 5th anniversary of the terror attacks on the United States.
AP Photo/Kevin Wolf
The images of Al Gambacorta, left, and his wife, Pam, of Buffalo, N.Y., are reflected in the America's Heroes Memorial dedicated to the people killed in the Sept. 11 attack on the Pentagon during a public tour inside the Pentagon on Saturday, Sept. 9, 2006 in Washington.
AP Photo/Kevin Wolf
Army Sgt. John Casey points towards a stone charred from the Sept. 11, 2001, terrorist attack while giving a public tour of the Pentagon on Saturday, Sept. 9, 2006 in Washington.
AP Photo/Kevin Wolf
Ethan Webber, 5, of Goldsboro, N.C., signs the guest book in the America's Heroes Memorial dedicated to the people killed in the Sept. 11 attack on the Pentagon during a public tour inside the Pentagon on Saturday, Sept. 9, 2006 in Washington.
AP Photo/Smithsonian Institution
Members of the Flag Fold Detail of the 3rd U.S. Infantry, "The Old Guard", honoring the Pentagon garrison flag during a "Retreat Ceremony" at the Smithsonian's National Museum of American History, Thurs., Sept. 7, 2006, in Washington. The flag, which was first unfurled from the roof of the Pentagon the day after the Sept. 11, 2001 terrorist attacks, has been on view in the museum since September 2002.
AP Photo/Kevin Wolf
American Airlines flight attendant Margie Jarrendt rubs the name of American Airlines employee Mary Jane Booth on the memorial in Arlington National Cemetery to the victims of the Sept. 11th terrorist attacks on the Pentagon Monday, Sept. 11, 2006, in Arlington, Va.
AP Photo/Kevin Wolf
Family and friends pay their respects to the victims of the Sept. 11, 2001, terrorist attack on the Pentagon at the memorial in Arlington National Cemetery Monday, Sept. 11, 2006, in Arlington, Va.
AP/Arlington Co., Leslie E. Kossoff
Arlington County Sheriff Beth Arthur rings a silver bell during a ceremony to mark the five-year anniversary of the Sept. 11, 2001, terrorist attacks on the Pentagon, at the Arlington County Justice Center, Monday, Sept. 11, 2006, in Arlington, Va. The silver bell was tolled to remember each victim of the Pentagon terrorist attack.
AP Photo/Charles Dharapak
President George W. Bush greets friends and family members of victims at the Pentagon shortly after he laid a wreath marking the fifth anniversary of the terrorist attacks Monday, Sept. 11, 2006 in Washington. Mr. Bush also attended observances in New York and Shanksville, Pa.
AP Photo/Ron Edmonds
President Bush and first lady Laura Bush take part in wreath laying ceremony, Monday, Sept. 11, 2006, commemorating the fifth anniversary of attack on the Pentagon.
AP Photo/Kevin Wolf
Carla Langjahr of Arlington, Va., touches the name of Barbara Olson on the memorial for the victims of the Sept. 11, 2001, terrorist attack on the Pentagon in Arlington National Cemetery Monday, Sept. 11, 2006, in Arlington, Va. Langjahr worked directly for and with Barbara Olson, the wife of Solicitor General Ted Olson, who was aboard the flight that crashed into the Pentagon.