Introduction to the United States Department of Defense - DoD 101 Background image is blue.
The Department of Defense Shield
How We Evolved
Big Business Are Us
We're Busier Than Ever
Polls Rate Us No. 1
Our Annual Budget
Who We Work For
How We're Organized
The Secretary's Office
What Our Services Do
Joint Chiefs' Key Role
How We Deploy Forces
Our Bottom Line

Big Business Are Us

Our track record

With our military units tracing their roots to pre-Revolutionary times, you might say that we are America’s oldest company. And if you look at us in business terms, many would say we are not only America’s largest company, but its busiest and most successful.

There is no other company in the world that can take a group of new employees, from a wide variety of backgrounds, and in less than three months make them part of a cohesive, organized and productive work team. They will be well trained, highly motivated and very fit. They will treat others with dignity and respect, and will willingly obey their leaders.

5.1 million strong

We are the nation’s largest employer, with 1.4 million men and women on active duty, 672,000 civilians and another 1.28 million volunteers serving in the Guard and Reserve. We also support 1.8 million retirees and families that are receiving benefits.

Our global infrastructure

Whether on land or at sea, no other company can match our size. Our employees are located at about 600 fixed facilities and more than 40,000 properties amounting to 18 million acres of land. These include 250 major installations. We operate some 250,000 vehicles, from trucks to tanks, maintain a fleet of over 15,000 aircraft and more than 1,000 oceangoing vessels from aircraft carriers to landing craft. We also operate 550 public utility systems.

Worldwide presence

Today we have employees located in more than 130 countries; some 247,000 troops and civilians are overseas both afloat and ashore. We operate in every time zone and in every climate.

As a Comparison

Company Budget/Revenue* Employees* Bases/Plants*
DoD $270 billion 2,043,000 588
ExxonMobil 165 billion 123,000 117
Ford 163 billion 345,000 183
GM 144 billion 388,000 358
GE 112 billion 340,000 350
* 1999 Fortune 500 & corporate data

Our Headquarters - The Pentagon

Facts and Figures

  • Construction: 16 months/$83 million

  • Corridors: 17-1/2 miles

  • Employees: 23,000

  • Bldg. size: 29 acres

  • Office space: 3.8 million square feet

  • Parking space: 67 acres

  • Circumference: 9/10th mile

    Our headquarters is the nation’s largest office building under one roof. It took only 16 months to build and was completed in January 1943.

    updated: 2000-Jun-30

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