[AmericanMade1776]

Courtney Hrejsa of College Park, Md., reads the inscription on the Sept. 11th memorial during a tour of the Pentagon on Saturday, Sept. 10, 2005 in Arlington, Va. The general public on Saturday walked past the impact point where American Airlines Flight 77 crashed into the Pentagon on Sept. 11, 2001, part of the first general tours of the area since the terrorist attacks four years ago. (AP Photo/Kevin Wolf)

[AmericanMade1776]

U.S. soldiers take part in a memorial ceremony to mark the September 11, 2001 attacks in the United States at Bagram air base in north of Kabul, Afghanistan, on Saturday, Sept. 10, 2005. The U.S. military began its war on terror in Afghanistan after nearly 3,000 people were in the terrorist attacks against the World Trade Center and the Pentagon. (AP Photo/Musadeq Sadeq)