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Department of Defense
History & Commentary
The United States Department of Defense is an executive department coordinating the American armed forces to deter war and ensure national security.
Biography
The United States Department of Defense, also known as the Department of War, is an executive department of the federal government charged with supervising the nation's armed forces. Headquartered at the Pentagon in Arlington County, Virginia, its core mission is to provide military forces to deter war and maintain national security.
Led by the cabinet-level secretary of defense reporting to the president, the department oversees the Army, Navy, and Air Force. It also directs eleven unified combatant commands, several joint services schools, and four national intelligence agencies, including the National Security Agency and Defense Intelligence Agency.
Additionally, the department encompasses defense agencies such as DARPA, the Missile Defense Agency, and the Defense Logistics Agency. As of November 2022, it manages over 1.4 million active-duty personnel, 747,000 civilian employees, and 778,000 National Guard and reservist personnel.
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Books by Department of Defense
Weapon of Choice
Weapon of Choice details the story of Afghanistan while highlighting the vital contributions of Army Special Operations in the ongoing Global War on Terrorism.