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The Pentagon

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

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  1. The Pentagon 911 Tragedy.

  2. The Pentagon • The pengtagon has been a historical building in the United States for years. • It is the largest office building in the world.

  3. 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.

  4. 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

  5. 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.

  6. 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.

  7. 9/11 Pentagon crash video • http://www.youtube.com/watch?v=lsWZHKIg3Csback to results

  8. 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.

  9. 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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