President Bush and first lady Laura Bush walk together after a memorial service at St. John's Episcopal Church marking the second anniversary of the terror attacks in New York and Washington two years ago, in Washington, Sept. 11, 2003.
President Bush and first lady Laura Bush with Vice President Dick Cheney and his wife Lynne Cheney, at center, lead White House employees in a moment of silence on the South Lawn of the White House, in memory of the terror attacks two years ago, in Washington, Sept. 11, 2003.
As President Bush leads the White House staff in a moment of silence, Roland Mesnier, the executive pastry chef, pauses with other employees at 8:46 a.m. to mark the exact time that terror attacks began in New York and Washington two years ago, on the South Lawn of the White House Sept. 11, 2003.
Attorney General John Ashcroft, right, talks to Solicitor General Ted Olson, whose wife, Barbara, died in the attack on the Pentagon, after Olson's address before a commemoration Sept. 11, 2003, at the Justice Department in Washington. Olson told Justice Department employees that an unrelenting fight against terrorism is the best way to honor the memory of those who perished.
Secretary of State Colin Powell, right, pauses for a moment of silence during a commemoration ceremony Sept. 11, 2003, at the State Department in Washington. Powell's wife, Alma, is at left.
Defense Secretary Donald Rumsfeld bows his head during a wreath laying ceremony with family members of those lost in the attack on the Pentagon, at Arlington National Cemetery Sept. 11, 2003. Many victims in the Pentagon attack are buried at the site of the ceremony.
Construction worker, Daniel Monte, of Clifton, Va., bows his head at 9:37 a.m. with co-workers during a moment of silence outside the Pentagon building Sept. 11, 2003, in Washington. Monte was about 100 yards away from the plane when it crashed into the building.
An unidentified woman walks along the area of new construction outside the Pentagon Sept. 11, 2003, in Washington. It is the spot where the plane crashed into the Pentagon Sept. 11, 2001.
Construction workers, from left to right, Rhory Reaves, of Stafford, Va., John Devine, of Locust, Va., Daniel Monte, of Clifton, Va., and Eric Dean, of Hollywood, Md., bow their heads at 9:37 a.m. in a moment of silence Sept. 11, 2003, outside the Pentagon. All except Dean were working on the day the plane crashed into the Pentagon Sept. 11, 2001.
Senate Minority Leader Tom Daschle, D-S.D., left, and Senate Majority leader Bill Frist, R-Tenn., ring a ship's bell on Capitol Hill Sept. 11, 2003, to mark the second anniversary of the attacks. Representatives of the military services stand in the background.
This is a miniature representation of one of the four stained glass panels that will be installed in the Pentagon Chapel in memory of the 184 victims of the Sept. 11 terrorist attack.
American Airlines pilots attend a wreath laying ceremony at the gravesites of victims of the attack on the Pentagon, at Arlington National Cemetery in Arlington, Va. Sept. 11, 2003.
Mary Jo Myers, left, wife of Joint Chief of Staff Chairman Gen. Richard Myers, comforts a family member of a victim of the attack on the Pentagon, after a graveside wreath laying ceremony at Arlington National Cemetery Sept. 11, 2003.
Family members of those lost in the attack on the Pentagon console each other prior to a wreath laying ceremony at the gravesites of victims at Arlington National Cemetery Sept. 11, 2003.
A police honor guard marches past assembled members of Congress on Capitol Hill, Sept. 11, 2003, during a ceremony marking the second anniversary of the attacks.