The 2nd Infantry Division ("Indianhead") is a formation of the United States Army. Since the 1960s, its current primary mission is the pre-emptive defense of South Korea in the event of an invasion from North Korea. There are approximately 17,000 soldiers in the 2nd Infantry Division, with 10,000 of them stationed in South Korea, accounting for about 35% of the United States Forces Korea personnel. Denoted the 2nd Infantry Division-ROK/U.S. Combined Division (2ID/RUCD), the division is augmented by rotational Brigade Combat Teams (BCTs) from other U.S. Army divisions.
The 4th Infantry Division is a division of the United States Army based at Fort Carson, Colorado. It is composed of a division headquarters battalion, three brigade combat teams, a combat aviation brigade, a division sustainment brigade, and a division artillery.
III Corps is a corps of the United States Army headquartered at Fort Cavazos, Texas. It is a major formation of the United States Army Forces Command.
The 84th Training Command ("Railsplitters") is a formation of the United States Army. During World War I it was designated the 84th Division, American Expeditionary Forces; during World War II it was known as the 84th Infantry Division. From 1946 to 1952, the division was a part of the United States Army Reserve as the 84th Airborne Division. In 1959, the division was reorganized and redesignated once more as the 84th Division. The division was headquartered in Milwaukee in command of over 4,100 soldiers divided into eight brigades—including an ROTC brigade—spread throughout seven states.
The 90th Infantry Division was a unit of the United States Army that served in World War I and World War II. Its lineage is carried on by the 90th Sustainment Brigade.
The 37th Armor is an armor (tank) regiment of the United States Army. It is often remembered as the successor to the 37th Tank Battalion, 4th Armored Division, commanded by then Lieutenant Colonel Creighton Abrams during World War II.
The 12th Cavalry is a cavalry regiment of the United States Army. It is currently stationed at Fort Cavazos.
The 8th Infantry Regiment of the United States, also known as the "Fighting Eagles," is an infantry regiment in the United States Army. The 8th Infantry participated in the Mexican War, American Civil War, Philippine Insurrection, Moro Rebellion, World War I, World War II, Vietnam War, and Iraq Campaign.
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.
The 199th Infantry Brigade (Light) is a unit of the United States Army which served in the Army Reserve from 1921 to 1940, in the active army from 1966 to 1970 (serving in the Vietnam War), briefly in 1991–1992 at Fort Lewis, and from 2007 as an active army training formation at Fort Moore.
The United States Army Regimental System (USARS) is an organizational and classification system used by the United States Army. It was established in 1981 to replace the Combat Arms Regimental System (CARS) to provide each soldier with continuous identification with a single regiment, and to increase a soldier's probability of serving recurring assignments with their regiment. The USARS was intended to enhance combat effectiveness by providing the opportunity for a regimental affiliation, thus obtaining some of the benefits of the traditional regimental system.
The 54th Infantry Regiment is a United States Army Regimental System parent regiment of the United States Army. It is represented in the active Army by the 2nd and 3rd Battalions, which conduct Infantry One Station Unit Training (OSUT) at Fort Moore, Georgia.
The 5th Armored Brigade is an AC/RC unit based at Fort Bliss, Texas. The unit is responsible for training selected United States Army Reserve (USAR) & Army National Guard units west of the Mississippi River before they deploy to conduct combat operations overseas. The unit was formerly designated as 2nd Brigade, 91st Division. In 2006, the brigade trained the Military Transition Teams at Fort Riley before the mission was assigned to the 1st Brigade, 1st Infantry Division. In 2007, the brigade was reassigned from Fort Carson, Colorado to Fort Bliss, Texas.
The 656th Field Artillery Battalion was constituted 11 March 1944 in the Army of the United States.
The 177th Armored Brigade is an AC/RC unit based at Camp Shelby, Mississippi. The unit is responsible for training selected United States Army Reserve and National Guard units. The unit was formerly designated as 3rd Brigade, 87th Division. The brigade is a subordinate unit of First Army.
The 158th Infantry Brigade is an infantry brigade of the United States Army. It has subordinate battalions throughout Florida and Puerto Rico.
The 2nd Air Defense Artillery Regiment is an air defense artillery regiment of the United States Army, first formed in 1821 as a field artillery unit.
The 358th Infantry Regiment is a unit of the United States Army. Organized in 1917, it took part in both World War I and World War II as a subordinate unit of the 90th Infantry Division.
United States Army 
