The economic activity of a society consists of activities related to the production and consumption of goods and services. Since earliest times, the primary function of organized society has been economic in nature.
The Pentagon is a large office building, with about 6,500,000 sq ft (600,000 m 2), of which 3,700,000 sq ft (340,000 m 2) are used as offices. Approximately 23,000 military and civilian employees and about 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) of corridors.
The Pentagon is the Virginia headquarters of the U.S. Department of Defense, located in a massive five-sided concrete and steel building thatâs a potent symbol of Americaâs military strength. With more than 6 million square feet of floor space, the Pentagon ranks among the largest office buildings in the world. During the terrorist attacks of September 11, 2001â60 years to the day after construction began on the Pentagonâa hijacked plane struck the building, killing 189 people and damaging roughly one-third of the building.