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The Pentagon, headquarters of the United States Department of Defense. The United States Department of Defense (DoD) has a complex organizational structure.It includes the Army, Navy, the Marine Corps, Air Force, Space Force, the Unified combatant commands, U.S. elements of multinational commands (such as NATO and NORAD), as well as non-combat agencies such as the Defense Intelligence Agency ...
This includes the Office of the Secretary of Defense, Organization of the Chairman of the Joint Chiefs of Staff, the three Military Departments, the Combatant Commands, the Office of the Inspector General, 18 Defense Agencies, 10 DoD Field Activities, and other organizations, such as the National Guard Bureau (NGB) and the Joint Improvised ...
The United States Army is made up of three components: one active—the Regular Army; and two reserve components—the Army National Guard and the Army Reserve. Both reserve components are primarily composed of part-time soldiers who train once a month, known as Battle Assembly , Unit Training Assemblies (UTAs), or simply "drills", while ...
The chain of command leads from the president (as commander-in-chief) through the secretary of defense down to the newest recruits. [2] [3] The United States Armed Forces are organized through the United States Department of Defense, which oversees a complex structure of joint command and control functions with many units reporting to various commanding officers.
The use of formalized ranks in a hierarchical structure came into widespread use with the Roman Army. [citation needed]In modern times, executive control, management and administration of military organization is typically undertaken by governments through a government department within the structure of public administration, often known as a ministry of defence or department of defense.
Structures of military commands and formations in 1989 (9 P) Pages in category "Military organizational structures" The following 5 pages are in this category, out of 5 total.
Its main responsibilities are to control the Armed Forces of the United States. It is headed by the Secretary of Defense . The department was established in 1947 and is divided into three major Departments—the Department of the Army , Navy and Air Force , as well as a number of other component organizations.
The United States Armed Forces is composed of six coequal military service branches. Five of the branches, the United States Army, United States Marine Corps, United States Navy, United States Air Force, and United States Space Force, are part of the Department of Defense.