Department of Defense

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Agency at a Glance

The United States Department of Defense (DoD) is responsible for coordinating and supervising all agencies and functions of the government concerned directly with national security and the United States Armed Forces.

The Department of Defense is the largest employer in the world. DoD employs 2.3 million active duty service members and 1.1 million national guard and reservists, brining the agency's total employment to 3.2 million. 

Annual Budget: $534.3 Billion 

Secretary of Defense: James N. Mattis

DOD Website


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