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A battalion is a military unit, typically consisting of up to one thousand soldiers commanded by a lieutenant colonel and subdivided into a number of companies, each typically commanded by a major or a captain. The typical battalion is built from three operational companies, one weapons company and one headquarters company. In some countries, battalions are exclusively infantry, while in others battalions are unit-level organisations.
A regiment is a military unit. Its role and size varies markedly, depending on the country, service, or specialisation.
A brigade is a major tactical military formation that typically comprises three to six battalions plus supporting elements. It is roughly equivalent to an enlarged or reinforced regiment. Two or more brigades may constitute a division.
The United States Army Special Operations Command (Airborne) (USASOC ( YOO-sə-sok)) is the command charged with overseeing the various special operations forces of the United States Army. Headquartered at Fort Liberty, North Carolina, it is the largest component of the United States Special Operations Command. It is an Army Service Component Command. Its mission is to organize, train, educate, man, equip, fund, administer, mobilize, deploy and sustain Army special operations forces to successfully conduct worldwide special operations.
The 506th Infantry Regiment, originally designated the 506th Parachute Infantry Regiment during World War II, is an airborne light infantry regiment of the United States Army. Currently a parent regiment under the U.S. Army Regimental System, the regiment has two active battalions: the 1st Battalion, 506th Infantry Regiment is assigned to the 1st Brigade Combat Team, 101st Airborne Division, and the 2nd Battalion, 506th Infantry Regiment is assigned to the 3rd Brigade Combat Team, 101st Airborne Division.
The 187th Airborne Infantry Regiment (Rakkasans) is a regiment of the 101st Airborne Division.
The 508th Infantry Regiment is an airborne infantry regiment of the United States Army, first formed in October 1942 during World War II. The 508th is a parent regiment under the U.S. Army Regimental System, and two battalions from the regiment are currently active: the 1st Battalion, 508th Parachute Infantry Regiment is assigned to the 3rd Brigade Combat Team, 82nd Airborne Division, and the 2nd Battalion, 508th Parachute Infantry Regiment is assigned to the 2nd Brigade Combat Team, 82nd Airborne Division. The regiment served in combat during World War II, and regimental elements have served in combat in the Dominican Republic, Vietnam, Grenada, Panama, Iraq and Afghanistan.
The 503rd Infantry Regiment, formerly the 503rd Parachute Infantry Regiment and the 503rd Airborne Infantry Regiment, is an airborne infantry regiment of the United States Army. The regiment served as an independent regiment in the Pacific War during World War II; at Fort Campbell, Kentucky; in Okinawa, Japan; and in Germany. Regimental elements have been assigned to the 2nd Infantry Division, the 11th Airborne Division, the 24th Infantry Division, 25th Infantry Division, the 82nd Airborne Division, 101st Airborne Division, and the 173rd Airborne Brigade Combat Team. Regimental elements have participated in campaigns in the Vietnam War, Operation Enduring Freedom–Afghanistan, and Operation Iraqi Freedom. The regiment claims 15 Medal of Honor recipients: two from World War II, ten from Vietnam, and three from Afghanistan. A parent regiment under the U.S. Army Regimental System. The regiment's 1st and 2nd Battalions are active, assigned to the 173rd Airborne Brigade, based at Caserma Ederle, Vicenza, Italy. The 3rd and 4th Battalions as well as Companies E, F, G, H, and I have been inactived.
The 9th Infantry Regiment ("Manchu") is a parent infantry regiment of the United States Army.
In the United States Marine Corps, a Marine Air–Ground Task Force is the principal organization for all missions across the range of military operations. MAGTFs are a balanced air–ground, combined arms task organization of Marine Corps forces under a single commander that is structured to accomplish a specific mission. The MAGTF was formalized by the publishing of Marine Corps Order 3120.3 in December 1963, "The Marine Corps in the National Defense, MCDP 1-0". It stated:
A Marine air–ground task force with separate air ground headquarters is normally formed for combat operations and training exercises in which substantial combat forces of both Marine aviation and Marine ground units are included in the task organization of participating Marine forces.
A regimental combat team (RCT) is a provisional major infantry unit which has seen use by branches of the United States Armed Forces. It is formed by augmenting a regular infantry regiment with smaller combat, combat support and combat service support units.
The United States Marine Corps is organized within the Department of the Navy, which is led by the Secretary of the Navy (SECNAV). The most senior Marine commissioned officer is the Commandant of the Marine Corps, responsible for organizing, recruiting, training, and equipping the Marine Corps so that it is ready for operation under the command of the unified combatant commanders. The Marine Corps is organized into four principal subdivisions: Headquarters Marine Corps, the Operating Forces, the Supporting Establishment, and the Marine Forces Reserve.
Military organization (AE) or military organisation (BE) is the structuring of the armed forces of a state so as to offer such military capability as a national defense policy may require. Formal military organization tends to use hierarchical forms.
The 73rd Cavalry Regiment is a Cavalry Regiment in the United States Army, first formed in 1941. The three squadrons of the 73rd Cavalry Regiment provide reconnaissance, surveillance, and target acquisition (RSTA) to the Brigade Combat Teams of the 82nd Airborne Division. 3rd Squadron is assigned to 1st Brigade, 1st Squadron is assigned to 2nd Brigade, and 5th Squadron is assigned to 3rd Brigade.
Pentomic was a structure for infantry and airborne divisions adopted by the US Army between 1957 and 1963, in response to the potential use of tactical nuclear weapons, on future battlefields. It was intended that the five subordinate units, which were often referred to as battle groups, would be able to deploy and engage in operations more rapidly than conventional brigades, whilst also having greater offensive capabilities than conventional battalions.
A combat command was a combined-arms military organization of comparable size to a brigade or regiment employed by armored forces of the United States Army from 1942 until 1963. The structure of combat commands was task-organized and so the forces assigned to a combat command often varied from mission to mission.
The structure of the United States Army is complex, and can be interpreted in several different ways: active/reserve, operational/administrative, and branches/functional areas.
The 158th Infantry Regiment ("Bushmasters") is an infantry unit of the Arizona National Guard. The regiment has served abroad in World War I, World War II and Afghanistan.
The term combat service support is utilized by numerous military organizations throughout the world to describe entities that provide direct and indirect sustainment services to the groups that engage in combat.
A combat team is temporary grouping of military organizations of differing types to accomplish a defined mission or objective. Usage varies between commonwealth nations, where the term applies to a sub-unit level grouping, and the United States, where the term is found at unit and formation levels.
References
- Reid, Brian (2005). No Holding Back. London: Robin Brass Studio. ISBN 1-896941-40-0.