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15/01/1943 The Pentagon is dedicated in Arlington, Virginia

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Deconstructing History: The Pentagon | History

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Hackers get greenlight to invade the Pentagon

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9/11 INSIDE THE PENTAGON | An Unprecedented Attack Begins | PBS

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◄ The Pentagon, Washington [HD] ►

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10 Things You Didn't Know About The Pentagon

The Pentagon is the headquarters of the United States Department of Defense. The Pentagon was designed by American architect George Bergstrom and built by general contractor John McShain. It is one of the world's largest office buildings, with about 6,500,000 sq ft.