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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.

slide3

The Pentagon is the headquarters of the United States Department of Defense.

  • It is located in Arlington, Virginia.
  • The pentagon is located between the Pentagon Lagoon and the southeastern corner of Arlington National Cemetery.
construction
Construction
  • 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
slide5

The Pentagon is the largest office building.

  • 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.
slide6
9/11
  • 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
  • http://www.youtube.com/watch?v=lsWZHKIg3Csback to results
9 11 pictures
9/11 PICTURES.

(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

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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