Department of Defense

Learn more about the Department of Defense and how it promotes investment in the United States

Seal of the Department of Defense

The Department of Defense, the oldest and largest government agency in the United States, leads the U.S. military. In addition to heading the department, the Secretary of Defense acts as the main defense policy advisor to the President.

The Department  of Defense has the largest discretionary budget of any federal agency at $585 billion. Like all federal agencies, the Department’s procurements are subject to the Federal Acquisition Regulations (FAR) and are additionally subject to the Defense Federal Acquisition Regulation Supplement (DFARS). 

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Mission: To provide the military forces needed to deter war and to protect the security of our country.

Investment-related Resources

The Department of Defense (DOD) understands the need for a vibrant domestic industrial base that will isupport the defense industrial base, which in turn supports our warfighters.  The Departments supports efforts to attract stable investment and fulfill capital requirements and views a well-functioning capital market as critical to the health of our industrial base.

As the monopsony purchaser of military aircraft and defense articles within the United States, DOD also exercises tremendous market power in those sectors and the supply chain that depends on these sectors for revenue.

Manufacturing and Industrial Base Policy
The Manufacturing and Industrial Base Policy (MIBP) is DOD’s lead in all matters relating to mergers, acquisitions, and dissolutions of national security-related business. MIBP provides detailed analyses and in-depth understanding of the increasingly global, commercial, and financially complex industrial supply chain essential to our national defense and recommends or takes appropriate actions based on these findings. MIBP addresses innovation within supply chain sectors and supports responsible investment to advance industrial productivity through a variety of authorities and programs, including the Defense Production Act and Manufacturing Technology (ManTech). Challenges are also analyzed to identify systemic and fundamental issues that can be resolved through engagement across the public and private sectors.

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Office of Economic Adjustment
The Department of Defense’s Office of Economic Adjustment (OEA) focuses on where and how defense activities impact civilian communities and economies. Among its other statutory authorities, OEA works with communities in all 50 states, Puerto Rico, Guam and the District of Columbia who are facing potential shifts in economic stability due to changes in direct defense contracting and spending. By leveraging the full capabilities of the federal government, we help these towns, cities and states adjust to defense impacts and plan for and implement a future that is both sustainable and successful.

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Office of Small Business Programs
The Office of Small Business Programs (OSBP) is committed to maximizing the contributions of small business in DOD acquisitions.

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