At 9:37 a.m. ET, five hijackers flew American Airlines Flight 77 into the Pentagon, killing all 59 on board and 125 people in the building.
flickr: D Laferriere
No email address was supplied by
To complete your registration on this site, please supply an address.
Please confirm or modify the email address to which you will have subscription offers sent.
For a more personalized experience, please supply the following optional information.