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This is a list of current formations of the United States Army, which is constantly changing as the Army changes its structure over time. Due to the nature of those changes, specifically the restructuring of brigades into autonomous modular brigades, debate has arisen as to whether brigades are units or formations; for the purposes of this list, brigades are currently excluded.
The Eastern Defense Command was first established as the Northeast Defense Command on 17 March 1941 as one of four U.S. Army continental defense commands to plan and prepare for and execute defense against enemy attack in the months before America's entry into World War II. Its mission was defined as: "a territorial agency with appropriate ...
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.
Command Sergeant Major, United States Military Academy (USMA) Command Sergeant Major Phil K. Barretto [81] U.S. Army: Operating forces: First United States Army: Command Sergeant Major, First Army: Command Sergeant Major Christopher A. Prosser [82] [83] U.S. Army: Eighth Army: Command Sergeant Major, Eighth Army: Command Sergeant Major Robin M ...
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 ...
A 'command' is the first subordinate tier of an army, navy, or air force (and therefore the largest by personnel and equipment); in air force terminology (British, Commonwealth, and most others except USAF), it is superior to group, the organisational structure reducing in size to wing, then squadron, then flight's factual accuracy is disputed.
Integrated Air and Missile Defense Battle Command System (IBCS), an IAMD Battle Command System, is an Army project which unifies its disparate anti-missile systems (such as the THAAD, and MIM-104 Patriot missiles) and their radars/sensors (such as THAAD's AN/TPY-2 radar, AN/MPQ-64 Sentinel, and Patriot AN/MPQ-65 radars).