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  1. 3 days ago · Pentagon, large five-sided building in Arlington county, Virginia, near Washington, D.C., that serves as the headquarters of the U.S. Department of Defense, including all three military services— Army, Navy, and Air Force. Constructed during 1941–43, the Pentagon was intended to consolidate the offices of the War Department, which had ...

  2. 1 Why is the Pentagon, you know, a pentagon? The land the Pentagon was first planned to go on was bordered on five sides by roads, so the architects,

  3. Dec 18, 2009 · The Pentagon is the Virginia headquarters of the U.S. Department of Defense, located in a massive five-sided concrete and steel building that’s a potent symbol of America’s military strength....

  4. 五角大楼 (英語: The Pentagon )是 美国国防部 所在地,位于 华盛顿特区 西南方的 維珍尼亞州 阿灵顿县 ,毗邻华盛顿特区。 由于其特殊的职能,所以有时“五角大楼”一词不仅仅代表这座建筑本身,也常常用作美国国防部、甚至 美國軍事 當局的代名词。 五角大楼由美国建筑师 乔治·贝格斯特罗姆 (英语:George Bergstrom) (1876年—1955年)设计,来自 宾夕法尼亚州 费城 的建筑商 约翰·麦克沙恩 (英语:John McShain) 承建。 五角大楼于1941年9月11日动土起建,1943年1月15日完成。 工程项目负责人是 布里恩·萨默维尔 将军 [1] ,而 莱斯利·格罗夫斯 上校作为军方负责人全程监督了建设过程。

  5. Pentagon, Huge five-sided building (1941–43) in Arlington, Va., that is the headquarters of the U.S. Department of Defense. Designed by George Edwin Bergstrom, it was, on its completion, the world’s largest office building, covering 34 acres (14 hectares) and offering 3.7 million sq ft (about 344,000 sq m) of usable floor space for as many ...

  6. The Pentagon is three in one: It is a building, an institution, and a symbol. It is an engineering marvel—a product of its time and civilization. Born of necessity, built in great haste, and...

  7. Headquartered at the Pentagon in Arlington County, Virginia, just outside Washington, D.C., the Department of Defense's stated mission is to provide "the military forces needed to deter war and ensure our nation's security".

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