National Museum of American History
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18 April 1989 [4] 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. As a symbol of the U.S. military, the phrase The Pentagon is often used as a metonym ...
- 11 September 1941
- 7 (2 underground)
2 days ago · Aerial view of the Pentagon in Arlington, Virginia, U.S. (more) At its completion at a cost of $83 million in January 1943, the Pentagon was the world’s largest office building, covering 29 acres (12 hectares)—including a 5-acre (2-hectare) central court—and containing roughly 3,700,000 square feet (344,000 square metres) of usable floor ...
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. Photo: David B. Gleason, CC BY-SA 2.0. Access is restricted, only with permission.
Dec 18, 2009 · Construction on the Pentagon began on September 11, 1941, 60 years to the day before the terrorist attacks of September 11, 2001. Roosevelt himself had personally approved construction of a new ...
Sep 11, 2001 · The Pentagon, located in Arlington, Virginia, is home to the Department of Defense and serves as military headquarters for the United States. The enormous, 6.24-million-square-foot concrete structure is the largest office building in the world, covering thirty-four acres. Built to house the burgeoning War Department on the eve of the United ...
The Pentagon was designed by George Bergstrom (1876-1955), and built by general contractor John McShain of Philadelphia. Ground was broken for construction on September 11, 1941, and the building was dedicated on January 15, 1943. The Pentagon is one of the world's largest office buildings, with about 600,000 m2, of which 340,000 m2 are used as ...
Dec 19, 2019 · It was supposed to be temporary. The Pentagon was the brainchild of Army Brig. Gen. Brehon B. Sommervell, who, in the early 1940s, pitched it as a temporary solution to the then-War Department's ...
