How did the U.S. Air Force respond on 9/11? MINUTE BY MINUTE
HEAR THE TAPES (as NORAD manages the launching of the military response)
After hearing 30 hours of never-before-released tapes from the control room of NORAD’s Northeast headquarters, the author reconstructs the chaotic military history of that dayand the Pentagon’s apparent attempt to cover it up. A MUST.
9/11 Live: The NORAD Tapes A NEVER BEFORE RELEASED TAPES

These are available as a torrent:
http://www.demonoid.com/files/details/425524/5321492/