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The Department was established in 1947 and is currently divided into three major Departments—the Department of the Army, Navy and Air Force —and has a military staff of 1,418,542 (553,044 US Army; 329,304 US Navy; 202,786 US Marine Corps; 333,408 US Air Force ). [1] . The DoD is headed by the Secretary of Defense.
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.
Apr 26, 2024 · U.S. Department of Defense, executive division of the U.S. federal government responsible for ensuring national security and supervising U.S. military forces. Based in the Pentagon, it includes the Joint Chiefs of Staff, the departments of the U.S. Army, U.S. Navy, and U.S. Air Force, and numerous.
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 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 is America's largest government agency. Our mission is to provide the military forces needed to deter war and ensure our nation's security.
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. ...
