They would build dens, stage battles, and generally get up to the sort of adventure and mischief that young boys often do. Goldberg, Alfred (1992). The Pentagon: The First Fifty Years. Office of the Secretary of Defense / Government Printing Office. ISBN 0-16-037979-2.

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Then, using the apothem, the area of a regular pentagon will be ½ x apothem x 5. [4] X Research source Elérhető nyelvek: arab, cseh, kínai, dán, holland, angol, észt, finn, francia, német, görög, héber, magyar, olasz, japán, Korean, lett, litván, norvég, lengyel, portugál, román, orosz, spanyol, svéd, (semleges), szlovák, izlandi, ukrán, hindi, Persian During the late 1960s, the Pentagon became a focal point for protests against the Vietnam War. A group of 2,500 women, organized by Women Strike for Peace, demonstrated outside Secretary of Defense Robert S. McNamara's office at the Pentagon on 15 February 1967. [58] In May 1967, a group of 20 demonstrators held a sit-in outside the Joint Chiefs of Staff's office, which lasted four days before they were arrested. [59] In one of the better known incidents, on 21 October 1967, some 35,000 anti-war protesters organized by the National Mobilization Committee to End the War in Vietnam, gathered for a demonstration at the Defense Department (the "March on the Pentagon"). They were confronted by some 2,500 armed soldiers. During the protest, a famous picture was taken, where George Harris placed carnations into the soldiers' gun barrels. [60] The march concluded with an attempt to "exorcise" the building. [61] Maffre, John (15 May 1968). "The President Looks to Peace 'For Which These Men...Have Fought...' ". The Washington Post. p.1. On 19 May 1972, the Weather Underground Organization bombed a fourth-floor women's restroom, in "retaliation" for the Nixon administration's bombing of Hanoi in the final stages of the Vietnam War. [62]

Contractor Selected for the Pentagon Memorial" (Press release). United States Department of Defense. 6 August 2003. 576-03. Archived from the original on 11 May 2006. Stone, Andrea (20 August 2002). "Military's aid and comfort ease 9/11 survivors' burden". USA TODAY. Archived from the original on 11 March 2015 . Retrieved 12 September 2021. Roth, S. (23 June 2000). "Pentagon's Hall of Heroes Welcomes Asian-American Veterans". Gannett News Service. ProQuest 450409792. Archived from the original on 24 February 2021 . Retrieved 1 December 2013. The constantly changing game board will take a few games to get used to. Once you do, you'll love to explore all the perplexingly complex and deep logic that is required to conquer another seasoned player. The Pentagon is the world's second largest office building, with about 6.5million square feet (600,000m 2) of floor space, of which 3.7million square feet (340,000m 2) are used as offices. [6] [7] It has five sides, five floors above ground, two basement levels, and five ring corridors per floor with a total of 17.5mi (28.2km) [7] of corridors, with a central five-acre (2.0ha) pentagonal plaza. About 23,000 military and civilian employees work in the Pentagon, as well as about 3,000 non-defense support personnel. [7]a b Welcome to the Headquarters Department of Defense: Self Guided Tour Brochure – Pentagon Tours Program. Archived from the original on 17 October 2019 . Retrieved 2 December 2013. Players alternate the start, since there is a slight advantage to go first. Determine who goes first in the first match. The chosen color goes first in the first game of the match, then it alternates until the match is finished. Staff writer (30 March 1991). "Pentagon's Gulf War Spokesman Retires". St. Petersburg Times. ProQuest 262802874. Archived from the original on 25 February 2021 . Retrieved 1 December 2013.

Hirschfelder, Paulette (2012). The Extraordinary Book of Native American Lists. Lanham, Maryland: Scarecrow Press. p.220. a b c d Johnston, Louis; Williamson, Samuel H. (2023). "What Was the U.S. GDP Then?". MeasuringWorth . Retrieved 1 January 2023. United States Gross Domestic Product deflator figures follow the Measuring Worth series.

Mixing Bowl Interchange Complex". roadstothefuture.com. Archived from the original on 31 August 2000 . Retrieved 22 November 2006. The building was designed by American architect George Bergstrom and built by contractor John McShain. Ground was broken on 11 September 1941, and the building was dedicated on 15 January 1943. General Brehon Somervell provided the major impetus to gain Congressional approval for the project; [5] Colonel Leslie Groves was responsible for overseeing the project for the U.S. Army Corps of Engineers, which supervised it. a b Schrader, Esther (16 September 2001). "Pentagon, a Vulnerable Building, Was Hit in Least Vulnerable Spot". Los Angeles Times. Archived from the original on 6 January 2010 . Retrieved 25 February 2010. This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.

Virginia Landmarks Register". Virginia Department of Historic Resources. Archived from the original on 21 September 2013 . Retrieved 12 May 2013.Construction to Completion". The Pentagon Tours. United States Department of Defense. Archived from the original on 3 April 2016 . Retrieved 20 July 2016. a b Carroll, James (2007). House of War: The Pentagon and the Disastrous Rise of American Power. Mariner Books. pp.4–5. ISBN 978-0-618-18780-5. New Vauxhall Vans New Vauxhall Combo Electric Vauxhall Combo Vauxhall Vivaro Electric Vauxhall Vivaro New Vauxhall Movano New Vauxhall Movano Conversions New Vauxhall Movano Electric 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. It was constructed on an accelerated schedule during World War II. As a symbol of the U.S. military, the phrase The Pentagon is often used as a metonym for the Department of Defense and its leadership.