Pushpendra Khandelwal

Review of Department of Defense/Pentagon...

Pentagon is the defense building of US, it s offic...

Pentagon is the defense building of US, it s office building is approximately 9 miles far from Merrifield, we took metro from Merrifield and reached there, after arriving here go to the visitor center, at the visitor center after security verification a guided tour is arranged, which is approximately 30 minutes
In the building you can buy various items and enjoy the coffee at Starbucks
Details about the building a small brief is giving here under but for details you can visit the site

The Pentagon is the headquarters building of the United States Department of Defense. As a symbol of the U.S. military, the phrase The Pentagon is also often used as a metonym for the Department of Defense and its leadership.

Located in Arlington County, Virginia, across the Potomac River from Washington, D.C., the building was designed by American architect George Bergstrom and built by contractor John McShain. Ground was broken on September 11, 1941, and the building was dedicated on January 15, 1943. General Brehon Somervell provided the major motivating power behind the project,Colonel Leslie Groves was responsible for overseeing the project for the U.S. Army.

The Pentagon is the world's largest office building, with about 6,500,000 sq ft (600,000 m2) of space, of which 3,700,000 sq ft (340,000 m2) are used as offices.
Some 23,000 military and civilian employees,and another 3,000 non-defense support personnel, work in the Pentagon. It has five sides, five floors above ground, two basement levels, and five ring corridors per floor with a total of 17.5 mi (28.2 km)of corridors. The central five-acre (20,000 m2) pentagonal plaza is nicknamed "ground zero" on the presumption that it would be a prime target in a nuclear war.

On September 11, 2001, exactly 60 years after the

The Pentagon is listed on the National Register of Historic Places and is a National Historic Landmark.