Opera News understands that the Octagon houses the Army, Navy, Air Force and Air Defense along with its 8 Agencies and Departments.
it also has an air base, housing, and more.
Egypt's The Octagon covers an area of 189,000 square meters, while the actual area of the buildings is estimated at 45,000 square meters, and the design involves eight octagonal buildings.
Section of the Egypt's Ministry of Defence Headquarters, the Octagon
It was constructed as part of a much larger initiative of moving all governmental offices to the New Administrative Capital.
The establishment of the new headquarters is now the largest in the Middle East, located in the New Capital, Greater Cairo.
The Octagon is a part of a big establishment, which as a whole has worship venues, clubs, hotels, schools, playgrounds, residential projects, shopping malls, hospitals, and complexes for civil and administrative services.
A photo image of the USA military Headquarters, the Pentagon
The place is secured by two Republican Guard units, and other means of security.
Major General Dr. Samir Farag, Egyptian strategic expert, has stated during Egypt's president Abdel Fattah el-Sisi's visit to the Octagon that the headquarters in the new administrative capital is the first of its kind in Egypt and the entire Middle East.
"This center is located in only 3 countries in the world, including the United States of America," said Dr Farag.
Whereas the Pentagon is a symbol of the U.S. military, the phrase.
An aerial view of the Pentagon
The Pentagon is also often used as a metonym or synecdoche 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 11 September 1941, and the building was dedicated on 15 January 1943.
General Brehon Somervell provided the major motivating power behind the project; Colonel Leslie Groves was responsible for overseeing the project for the U.S. Army.
The Pentagon comes second after the Octagon, with about 6,500,000 square feet (150 acres; 0.60 km2) of floor space, of which 3,700,000 sq ft (85 acres; 0.34 km2) are used as offices.
Some 23,000 military and civilian employees, and another 3,000 non-defense support personnel, work in the Pentagon.
An aerial view of the Octagon in Egypt
It has five sides, five floors above ground, two basement levels, and five ring corridors per floor with a total of 17.5 miles (28.2 km) of corridors.
The central five-acre (2.0 ha) pentagonal plaza is nicknamed "ground zero" on the presumption that it would be a prime target in a nuclear war.
It should not go without saying that the Pentagon is listed on the National Register of Historic Places and is a National Historic Landmark.
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