1. 9/11/2001

2. World Trade Center Completed August 7, 1974
Excavated 70 feet down, seven buildings dominated by two towers
1.5 million tons
43,600 windows, 194 elevators , 110 floors

3. Pentagon

4. Pentagon Dedicated in 1843 World’s largest office building
Symbol of U.S. defense
Over 26,000+ employees

5. Mohammed Atta (R) And Abdulaziz Alomari (C) are on board American Airlines Flight 11 that leaves Boston's Logan Airport bound for LAX.
9/11 hijackers
7:49AM - Two men reported to be hijackers Mohammed Atta (R) And Abdulaziz Alomari (C) are on board American Airlines Flight 11 that leaves Boston's Logan Airport bound for LAX.

6. 9/11 Hijackers

7. Airport Timeline
8:00 a.m. American Airline Flight 11 leaves Logan Airport in Boston bound for L.A. with 81 passengers and crewmembers
8:14a.m. United Flight 175 to L.A. departs Boston with 56 passengers and crew members
8:21 a.m. American Flight 77 to L.A. departs Washington Dulles International Airport with 58 passengers and six crew on board.
8:35 a.m. FAA alerts NORAD that American Flight 11 has been hijacked after takeoff.

8. Timeline continued
8:42 a.m. United Airlines Flight 93 leaves Newark for San Francisco with 38 passengers and seven crew.
8:43 FAA notifies NORAD that United 175 from Boston has also been hijacked.

9. 8:47: American Flight 11, bearing 20,000 gallons of jet fuels crashes into Tower Number 1 of WTC, killing 92 on board ravaging floors 90 through 100.

10. 9:03 United Flight 175 with 65 passengers and crew, blasts into floors 78 to 87 of the WTC’s south tower.

13. 9:37AM - American Airlines Flight 77 crashes into the west side of the Pentagon.

16. 9:59AM – The 110 story tower of the WTC collapses suddenly- a victim of the steel melting inferno within.

17. 10:07AM - United Airlines Flight 93 crashes in Shanksville, PA after turning back from its westward heading.

18. 10:28 the north tower of WTC collapses into itself in a fury of smoke and mayhem. Hundred of firefighters are trapped and killed.

19. Ground Zero