The Pentagon

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The Pentagon
The Pentagon January 2008.jpg
The Pentagon is located in District of Columbia
The Pentagon
Location in the Washington, D.C. area
Information
General information
StatusComplete
Architectural styleStripped Classicism
LocationArlington County, Virginia
Address1400 Defense Pentagon, Washington, D.C. 20301-1400
Coordinates38°52′16″N 77°03′21″W / 38.87099°N 77.05596°W / 38.87099; -77.05596Coordinates: 38°52′16″N 77°03′21″W / 38.87099°N 77.05596°W / 38.87099; -77.05596
Construction startedSeptember 11, 1941; 79 years ago (1941-09-11)
CompletedJanuary 15, 1943; 77 years ago (1943-01-15)
Cost$83 million
($NaN in 2017 dollars[1])
OwnerUnited States Department of Defense
Height
Roof71 feet (22 m)[2]
Top floor5
Technical details
Floor count7
Floor area6,636,360 square feet (620,000 m2)
Design and construction
ArchitectGeorge Bergstrom
David J. Witmer
Main contractorJohn McShain, Inc.
Other information
Parking67 acres
References
Pentagon Office Building Complex
The Pentagon is located in Virginia
The Pentagon
The Pentagon is located in the United States
The Pentagon
LocationJefferson Davis Hwy./VA 110 at I-395, Arlington, Virginia
Area41 acres (17 ha)
Built1941 (1941)
ArchitectBergstrom, G.E.; Witmer, D.J.
Architectural styleClassical Revival, Modern Movement, Stripped Classicism
NRHP reference No.89000932[3]
VLR No.000-0072
Significant dates
Added to NRHPJuly 27, 1988
Designated VLRApril 18, 1989[4]

The Pentagon is the headquarters of the United States Department of Defense. It is in Arlington, Virginia (near Washington, D.C.). It has limestone walls. It is in the shape of a pentagon, and has seven floors.

The Pentagon is the largest office building in the world,[5][6]but any place in the building can be reached within 7 minutes.

Construction began on September 11, 1941. Exactly sixty years later, on September 11, 2001, it was hit with an airplane by terrorists.[7] 189 people in the building were killed.[8]

Building description[change | change source]

It has a total floor area of 6,500,000 sq ft (604,000 m2). Offices are 3,700,000 sq ft (344,000 m2).[9][10] Approximately 25,000 military and civilian employees work in The Pentagon. [11] 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 Pentagon includes a five-acre (20,000 m2) central plaza, which is shaped like a pentagon.

The concentric rings are named (from the center out) as "A" through "E" (with in addition "F" and "G" in the basement). "E" Ring offices are the only ones with outside views and are generally occupied by senior officials. Office numbers go clockwise around each of the rings, and have two parts: a nearest-corridor number (1 to 10) followed by a bay number (00 to 99), so office numbers range from 100 to 1099. These corridors radiate out from the central courtyard, with corridor 1 beginning with the Concourse's south end. Each numbered radial corridor intersects with the corresponding numbered group of offices (for example, corridor 5 divides the 500 series office block). There are a number of historical displays in the building, particularly in the "A" and "E" rings.

Floors in The Pentagon are lettered "B" for Basement and "M" for Mezzanine, both of which are below ground level. The concourse is located on the second floor at the metro entrance. Above ground floors are numbered 1 to 5. Room numbers are given as the floor, concentric ring, and office number (which is in turn the nearest corridor number followed by the bay number). So, office 2B315 is on the second floor, B ring, and nearest to corridor 3 (between corridors 2 and 3). One way to get to this office would be to go to the second floor, get to the A (innermost) ring, go to and take corridor 3, and then turn left on ring B to get to bay 15.[12]

Just south of The Pentagon are Pentagon City and Crystal City, extensive shopping and high-density residential districts in Arlington. Arlington National Cemetery is to the north. The Washington Metro Pentagon station is also located at the Pentagon, on the Blue and Yellow Lines. The Pentagon is surrounded by the Capital Beltway[13] Every day, thousands of commuters traveling between Arlington, Virginia and Washington, DC drive on the roads of the Pentagon Reservation.

The Pentagon Athletic Center (PAC) is a fitness center for military and civilian staff. It opened in a separate building on the north side of The Pentagon in 2004.[14] Each year, the Pentagon grounds hold the Marine Corps Marathon and the Army Ten-Miler running events.

The public may take a 60 minute long tour of the building.[15] Tourists can also visit the Pentagon Memorial that is on the building's west side.[16]The Pentagon receives around 106,000 visitors per year.[17]

Some numbers about The Pentagon[change | change source]

The Pentagon has:

  • 131 stairs[18]
  • 19 escalators[19]
  • 70 elevators [20]
  • 7,754 windows [9]
  • 284 toilets[19]
  • 691 water fountains[19]
  • 4,200 clocks[19]
  • 16,250 lights[19]
  • 17.5 miles of corridor[21]
  • 200,000 telephone calls per day[11]
  • 1,000,000 emails sent daily[19]
  • 8,700 parking spaces

9/11 Attacks[change | change source]

On September 11, 2001, American Airlines Flight 77 flew into the western side of the Pentagon. September 11 was also the date the Pentagon began to be constructed. There were much fewer deaths because that side was being renovated. 184 people died.[22] There is now a memorial remembering the people who died that day called the Pentagon Memorial. Each person that died is represented by a bench, for a total of 189 benches.[23] It was opened on September 11, 2008, exactly 7 years after the attacks.[8]

References[change | change source]

  1. "Consumer Price Index (estimate) 1800–2008". Federal Reserve Bank of Minneapolis. Retrieved August 1, 2009.
  2. "Facts: Navigating The Pentagon". pentagontours.osd.mil. Retrieved January 10, 2018.
  3. "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
  4. "Virginia Landmarks Register". Virginia Department of Historic Resources. Retrieved May 12, 2013.
  5. "10 Largest Office Buildings In The World". SpaceIQ. Retrieved June 29, 2020.
  6. "The Pentagon". Greatbuildings.com. Retrieved October 26, 2008. Cite has empty unknown parameter: |dead-url= (help)
  7. "Flight 77, Video 2". Judicial Watch.
  8. 8.0 8.1 "Pentagon Memorial". National Geographic. February 21, 2012. Retrieved June 29, 2020. Cite has empty unknown parameter: |dead-url= (help)
  9. 9.0 9.1 "10 Things You Probably Didn't Know About the Pentagon". Defense.gov. Department of Defense. Retrieved June 29, 2020. Cite has empty unknown parameter: |dead-url= (help)
  10. "The Pentagon – George Bergstrom – Great Buildings Online". Greatbuildings.com. Retrieved October 26, 2008.
  11. 11.0 11.1 "The Pentagon Tours: Facts & Figures: Numbers". pentagontours.osd.mil. Retrieved June 29, 2020.
  12. "Navigating the Pentagon". defense.gov. Retrieved June 29, 2020. Cite has empty unknown parameter: |dead-url= (help)
  13. "Mixing Bowl Interchange Complex". roadstothefuture.com. Retrieved November 22, 2006.
  14. "Pentagon Renovation Program". Archived from the original on June 17, 2008.
  15. "The Pentagon Tours Home Page". Department of Defense. Retrieved August 18, 2011.
  16. "The National 9/11 Pentagon Memorial". U.S. Department of Defense. Retrieved June 29, 2020.
  17. "The Pentagon Tours: About The Program". pentagontours.osd.mil. Retrieved June 29, 2020.
  18. "Pentagon Facts & Figures". Department of Defense. Retrieved August 18, 2011.
  19. 19.0 19.1 19.2 19.3 19.4 19.5 "The Pentagon Tours: Pentagon Facts". pentagontours.osd.mil. Retrieved June 29, 2020.
  20. "14 Fascinating Facts You Never Knew About the Pentagon". Reader's Digest. Retrieved June 29, 2020. Cite has empty unknown parameter: |dead-url= (help)
  21. "The Pentagon Facts". Washington DC GO. 2010. Retrieved May 8, 2010.
  22. "Pentagon, a Vulnerable Building, Was Hit in the least Vulnerable Spot". Los Angeles Times. September 16, 2001. Retrieved June 29, 2020. Cite has empty unknown parameter: |dead-url= (help)
  23. "Visiting the National 9/11 Pentagon Memorial". Washington.org. March 16, 2016. Retrieved June 29, 2020.

Other websites[change | change source]

Media related to The Pentagon at Wikimedia Commons