A division is a large military unit or formation, usually consisting of between 6,000 and 25,000 soldiers. In most armies, a division is composed of several regiments or brigades; in turn, several divisions typically make up a corps.
The Eighth Army is a U.S. field army which commands all United States Army forces in South Korea. It is headquartered at the Camp Humphreys in the Anjeong-ri of Pyeongtaek, South Korea. Eighth Army relocated its headquarters from Yongsan to Camp Humphreys in the summer of 2017. It is the only field army in the U.S. Army. It is responsible to United States Forces Korea and United States Army, Pacific.
The United States Army Forces Command (FORSCOM) is the largest United States Army command. It provides expeditionary, regionally engaged, campaign-capable land forces to combatant commanders. Headquartered at Fort Liberty, North Carolina, FORSCOM consists of more than 750,000 active Army, U.S. Army Reserve, and Army National Guard soldiers. FORSCOM was created on 1 July 1973 from the former Continental Army Command (CONARC), who in turn supplanted Army Field Forces and Army Ground Forces.
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.
The Louisiana National Guard is the armed force through which the Louisiana Military Department executes the U.S. state of Louisiana's security policy. Consisting of the Louisiana Army National Guard, a reserve component of the United States Army; the Louisiana Air National Guard, a reserve component of the United States Air Force; and the Louisiana State Guard, an all-volunteer state defense force, it is directed by an adjutant general appointed by the Governor of Louisiana unless federalized by order of the President of the United States, which places members on active U.S. military duty status.
The Florida Army National Guard is Florida's component of the United States Army and the United States National Guard. In the United States, the Army National Guard comprises approximately one half of the federal army's available combat forces and approximately one third of its support organization. Federal coordination of various state National Guard units are maintained through the National Guard Bureau. The Florida Army National Guard was composed of approximately 10,000 soldiers. The main state training grounds is Camp Blanding.
The reorganization plan of the United States Army was implemented from 2006 to 2016 under the direction of the Brigade Modernization Command. This effort formally began in 2006 when General Peter Schoomaker was given the support to move the Army from its Cold War divisional orientation to a full-spectrum capability with fully manned, equipped and trained brigades; this effort was completed by the end of 2016. It has been the most comprehensive reorganization since World War II and included modular combat brigades, support brigades, and command headquarters, as well as rebalancing the active and reserve components.
The Combat Aviation Brigade, 1st Infantry Division is the Army Aviation formation of the United States Army's 1st Infantry Division. The current commander of this brigade is Colonel Chad P. Corrigan.
Majid al Tamimi Airbase, officially known as the Tikrit Air Academy and formerly as Al Sahra Airfield is an air installation near Tikrit in northern Iraq. The installation is approximately 170 kilometers north of Baghdad and 11 kilometers west of the Tigris River. Prior to 2003, Al Sahra Airfield was the main base of the Iraqi Air Force Air Academy. The Marines from Task Force Tripoli captured the base from the Iraqi Army during the 2003 U.S. invasion of Iraq and turned it over the United States Army who used it as the headquarters of the United States Division–North. The airfield is served by two main runways measuring 9,600 feet (2,900 m) long with a shorter runway measuring 7,200-foot (2,200 m). The Americans named the airfield after Captain Michael Scott Speicher, a United States Navy pilot who was killed in action in Iraq during the Gulf War.
The Texas Army National Guard is a component of the United States Army, the United States National Guard and the Texas Military Forces.
The 158th Aviation Regiment is an aviation regiment of the United States Army.
The Louisiana Army National Guard is a component of the Louisiana National Guard, and the state's reserve force within the United States Army. The Constitution of the United States specifically charges the National Guard with dual federal and state missions. When not federalized, the National Guard is the only United States military force empowered to function in a state status. Those functions range from limited actions during non-emergency situations to full scale law enforcement of martial law when local law enforcement officials can no longer maintain civil control. The Louisiana Army National Guard may be called into federal service in response to a call by the President or U.S. Congress.
The 166th Aviation Brigade is an aviation training brigade of the United States Army headquartered at Fort Cavazos, Texas. It was a subordinate unit of First Army – Division West. An "AC/RC" formation, the 166th Aviation Brigade was the sole organization responsible for the post-mobilization training of United States Army Reserve & National Guard aviation units. The unit was formerly designated as 3rd Brigade, 75th Division.
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.
A Combat aviation brigade (CAB) is a multi-functional brigade-sized unit in the United States Army that fields military helicopters, offering a combination of attack/reconnaissance helicopters, medium-lift helicopters, heavy-lift helicopters, and MEDEVAC capability.
The United States Army Alaska was a military command of the United States Army located in the U.S. state of Alaska. A subordinate command of I Corps, USARAK was the ground element of the Alaskan Command. USARAK was headquartered at Joint Base Elmendorf-Richardson and commanded by a major general. USARAK was reflagged as the 11th Airborne Division on June 6, 2022.
The 11th Expeditionary Combat Aviation Brigade is a Combat Aviation Brigade in the United States Army Reserve. The unit's lineage can be traced to the prior lineage and insignia of the 11th Aviation Group which was last headquartered in Illesheim, Germany in 2005. It is one of two aviation brigades of Army Reserve Aviation Command. The brigade consists of a headquarters company, two Black Hawk assault battalions, and one fixed wing battalion. The brigade was activated in its current formation on 16 September 2016.
The 525th Expeditionary Military Intelligence Brigade (Expeditionary) is a unit of the United States Army specializing in the acquisition and analysis of information with potential military value. On 28 October 2014, the unit was reflagged from the "525th Battlefield Surveillance Brigade" to an expeditionary military intelligence brigade, the first of its kind.
The Army Reserve Aviation Command (ARAC) is the headquarters command for all aviation assets in the United States Army Reserve. It is located at Fort Knox, Kentucky and is commanded by a Brigadier General.
Headquarters and Headquarters Company (HHC), 244th Aviation Brigade, headquartered at Fort knox, kentucky 
7th Battalion, 158th Aviation Regiment, headquartered at Fort Cavazos, Texas
5th Battalion, 159th Aviation Regiment, headquartered at Fort Eustis, Virginia 
2nd Battalion, 228th Aviation Regiment, headquartered at McGuire AFB, New Jersey 
90th Aviation Support Battalion (90th ASB), headquartered at Army Reserve Center at Fort Worth, Texas 
