PilotsFor911Truth.org: 9/11: PENTAGON AIRCRAFT HIJACK IMPOSSIBLE FLIGHT DECK DOOR CLOSED FOR ENTIRE FLIGHT
...according to Flight Data provided by the NTSB, the Flight Deck Door was never opened in flight. How were the hijackers able to gain access to the cockpit, remove the pilots, and navigate the aircraft to the Pentagon if the Flight Deck Door remained closed? See also The Rock Creek Free Press, Flight 77 Cockpit Door Never Opened During 9/11 “Hijack" http://rockcreekfreepress.tumblr.com/post/285492999/flt77fdr
Whatever happened to Flt. 77, it isn't what the Govt. told us.