The airplane the hijacked american airlines flight 77 sliced through three light poles in the pentagon parking lot before slamming into the first floor of the building and exploding in a.
Floor plan pentagon building layout.
In addition to creating floor plans you can also create stunning 360 views beautiful 3d photos of your design and interactive live 3d floor plans that allow you take a 3d walkthrough of your floor plan.
Steel was in short supply and needed for the war effort.
The configuration was reminiscent of the star shaped forts built during the gunpowder age.
The rings are connected by 10 spoke like corridors.
To keep costs down the building s pentagon shape design plans were retained.
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The pentagon is the headquarters building of the united states department of defense as a symbol of the u s.
In october 1941 the president approved somervell s plans and construction proceeded at a very rapid pace.
Mcshain company of philadelphia.
Military the phrase the pentagon is also often used as a metonym for the department of defense and its leadership.
Completed at top speed in 1941 as the united states prepared to enter world war ii the pentagon has remained much the same even as the military has evolved.
Today it still ranks as the 13th largest by area.
The architect was george e.
To reduce the amount of steel used architects incorporated ramps rather than elevators in the building.
When it was completed in 1943 its 6 600 000 square feet 3 705 793 square feet of usable office space more than three times the available area in the empire state building made it the world s largest building by floor area.
The pentagon is the largest low rise office building in the world and its renovation was the most complex in contemporary history.
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.
Bergstrom and the prime contractor was the john t.