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Feb 28, 2024 · The Department of Defense is America's oldest and largest government agency, tracing its roots back to pre-Revolutionary times. Learn about key moments in DOD's rich history.
The United States Department of Defense is an executive branch department of the federal government of the United States charged with coordinating and supervising all agencies and functions of the U.S. government directly related to national security and the United States Armed Forces.
The Department of Defense is America's largest government agency. Our mission is to provide the military forces needed to deter war and ensure our nation's security.
List of components of the U.S. Department of Defense. Department of Defense. Commander-in-Chief: President of the United States, Joe Biden. Secretary of Defense: Lloyd Austin. Chairman of the Joint Chiefs of Staff:
The United States secretary of defense (SecDef) is the head of the United States Department of Defense, the executive department of the U.S. Armed Forces, and is a high-ranking member of the federal cabinet.
The Department of Defense provides the military forces needed to deter war and ensure our nation's security. ... A .gov website belongs to an official government organization in the United States. ...
The United States Department of Defense, also known as the USDoD, is a department in the United States government that is in charge of the military of the United States. It was created in 1947 and its headquarters is in The Pentagon in Washington, D.C.. The person in charge of the Department of Defense is called the Secretary of Defense.
