The Pentagon is the headquarters building of the United States Department of Defense, in Arlington County, Virginia, across the Potomac River from Washington, D.C. The building was constructed on an accelerated schedule during World War II.

The Pentagon, one of the world's largest office buildings, is the headquarters of the Department of Defense. Located in the Washington, D.C., area, the five-sided building has three times the...

Our mission is to provide the military forces needed to deter war and ensure our nation's security.

The Pentagon is the headquarters of the Department of Defense, a military command center, and a secure facility. Visiting the Pentagon requires all of the following: Sponsor; Visitor Registration; Background check (for individuals 18 years of age or older) Valid identification (government-issued, unexpired, with a photo)

2024年4月16日 · Why is the Pentagon actually a pentagon? And is it the biggest office building in the world? Find these answers and more in the 10 things you probably didn't know about the Pentagon.