The Pentagon is 6.5M square ft (2X the Empire State Building) and is occupied by 23,000 people, making it the biggest office building in the world. Also, it was designed so that no point in the building is more than a 10 minutes walk from another point. Construction took just 16 months.
The US Pentagon will fund Hollywood movies that portray the military in a positive light.
The U.S. government spent years holding fake arrival ceremonies honoring the return of American soldiers killed in WWII, Vietnam, and Korea to American soil, but the planes were actually empty. The ceremonies were known by staff as “The Big Lie.”
In 1962 the Sigma war games predicted that American intervention in the Vietnam War would be unsuccessful.
As of 2012 the United States Department of Defense has the most employees in the world with over 3.2 million.
The Pentagon has twice the number of bathrooms deemed necessary for a building its size. This is because Virginia still enforced segregation laws when the Pentagon was constructed in the 1940s.