2020年1月6日 星期一

The Pentagon 五角大廈/ 五角大樓

伊朗要狠狠報復,又不想升級到開戰;美國也瞄準多地.....
那,上上策就是去刺殺五角大廈的頭頭?



五角大樓發出禁用TikTok警告


The Pentagon
The Pentagon, cropped square.png
The Pentagon is located in District of Columbia
The Pentagon
Location in the Washington, D.C. area
General information
StatusComplete
Architectural styleStripped Classicism
LocationArlington County, Virginia
Address1400 Defense Pentagon, Washington, D.C. 20301-1400
Coordinates38.871°N 77.056°WCoordinates38.871°N 77.056°W
Construction startedSeptember 11, 1941; 78 years ago
CompletedJanuary 15, 1943; 76 years ago
Cost$83 million (equivalent to $1.1 billion in 2018)[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
Parking27 ha (67 acres)
References
Pentagon Office Building Complex
The Pentagon is located in Virginia
The Pentagon
LocationJefferson Davis Hwy./VA 110 at I-395, Arlington, Virginia
Area41 acres (17 ha)
Built1941
ArchitectBergstrom, G.E.; Witmer, D.J.
Architectural styleClassical Revival, Modern Movement, Stripped Classicism
NRHP reference #89000932[3]
VLR #000-0072
Significant dates
Added to NRHPJuly 27, 1988
Designated VLRApril 18, 1989[4]
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;[5] 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.[6][7] Some 23,000 military and civilian employees,[7] 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)[7] 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.[8]
On September 11, 2001, exactly 60 years after the building's construction began, American Airlines Flight 77 was hijacked and flown into the western side of the building, killing 189 people (59 victims and the five perpetrators on board the airliner, as well as 125 victims in the building), according to the 9/11 Commission Report.[9] It was the first significant foreign attack on Washington's governmental facilities since the city was burned by the British during the War of 1812.
The Pentagon is listed on the National Register of Historic Places and is a National Historic Landmark.[3]

Layout and facilities[edit]


The Pentagon (light blue) compared to large ships and buildings:
  The Pentagon, 1,414 feet, 431 m
  RMS Queen Mary 2, 1,132 feet, 345 m
  USS Enterprise, 1,123 feet, 342 m
  Hindenburg, 804 feet, 245 m
  Yamato, 863 feet, 263 m
  Empire State Building, 1,454 feet, 443 m
  Knock Nevis, ex-Seawise Giant, 1,503 feet, 458 m
  Apple Park, 1,522 feet, 464 m

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