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The Pentagon. 911 Tragedy. The Pentagon. The pengtagon has been a historical building in the United States for years . It is the largest office building in the world. The Pentagon is the headquarters of the United States Department of Defense. It is located in Arlington, Virginia .

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The pentagon

The Pentagon

911 Tragedy.


The pentagon1
The Pentagon

  • The pengtagon has been a

    historical building in the United

    States for years.

  • It is the largest office building

    in the world.



Construction
Construction Department of

  • The Pentagon was designed by George Bergstrom and built by John McShain.

  • Construction began on September 11, 1941, and was completed on January 15, 1943

  • The cost of the construction was around $83 million

  • 284 bathrooms, 16,250 lighting fixtures, and 7,754 windows.

  • Houses about 24,000 civilian and military employees


  • The Pentagon is the largest office building. Department of

  • It is a five sided, five story building.

  • The building rests on 41,492 concrete piles.

  • The building takes up 29 acres.

  • The office of the chief architect rapidly grew to 327 architects and engineers who were supported by 117 field inspectors.

  • The floor space of the pentagon is three times that of the Empire State Buiding.


9/11 Department of

  • On September 11, 2001 the pentagon was hit by a 757 jet airplane at 9:43a.m.

  • When American Airlines Flight 77 hit the Pentagon's exterior wall, it created a hole approximately 75 ft. Wide.


9 11 pentagon crash video
9/11 Pentagon crash video Department of

  • http://www.youtube.com/watch?v=lsWZHKIg3Csback to results


9 11 pictures
9/11 PICTURES. Department of

(A picture of a burned and deformed

chair after the plane crash on the pentagon.)

In the Pentagon they have windows that are indestructable, this is one of them.


Bibliography
Bibliography Department of

http://911research.wtc7.net/pentagon/history.html

http://www.answers.com/topic/the-pentagon

http://www.visitingdc.com/virginia/pentagon-history.htm

http://pentagon.spacelist.org/

http://911review.org/Wiki/PentagonAttack.shtml

http://en.wikipedia.org/wiki/The_Pentagon

http://pentagon.afis.osd.mil/facts.html

http://www.greatbuildings.com/buildings/The_Pentagon.html


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