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 36th Infantry Division ("Arrowhead") also known as the "Panther Division", the "Lone Star Division", "The Texas Army", and the "T-patchers", is an infantry division of the U.S. Army and part of the Texas Army National Guard. The 36th Infantry Division was first organized during World War I (1914–1918) from units of the Texas and Oklahoma National Guards. After the war, the division was reformed as an all-Texas unit, and was called to service for World War II (1937–1945) on 25 November 1940, was deployed to the European Theater of Operations in April 1943, and returned to the Texas National Guard in December 1945.
The 2nd Armored Division was an armored division of the United States Army. The division played important roles during World War II in the invasions of Germany, North Africa, and Sicily and in the liberation of France, Belgium, and the Netherlands. During the Cold War, the division was primarily based at Fort Hood, Texas, and had a reinforced brigade forward stationed in Garlstedt, West Germany. After participation in the Persian Gulf War, the division was inactivated in 1995.
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.
The 5th Infantry Division (Mechanized)—nicknamed the "Red Diamond", or the "Red Devils" —was an infantry division of the United States Army that served in World War I, World War II and the Vietnam War, and with NATO and the U.S. Army III Corps. It was inactivated on 24 November 1992 and reflagged as the 2nd Armored Division.
The 77th Sustainment Brigade is a unit of the United States Army that inherited the lineage of the 77th Infantry Division, which served in World War I and World War II. Its headquarters has been at Fort Dix, New Jersey, since its predecessor command, the 77th Regional Readiness Command, was disestablished in 2008 from Fort Totten in Bayside, Queens, New York. Soldiers from the 77th have served in most major conflicts and contingency operations involving the US since World War II.
The 6th Infantry Division was an infantry division of the United States Army active in World War I, World War II, and the last years of the Cold War. Known as "Red Star", it was previously called the "Sight Seein' Sixth".
The Combat Arms Regimental System (CARS), was the method of assigning unit designations to units of some of the combat arms branches of the United States Army, including Infantry, Special Forces, Field Artillery, and Armor, from 1957 to 1981. Air Defense Artillery was added in 1968.
The 66th Armor Regiment is the oldest armored unit in the United States Army, tracing its lineage to the 301st Tank Battalion which served with distinction soon after it was formed in the First World War; the 301st trained at Camp Meade, Maryland, where then-Cpt. Dwight D. Eisenhower was an instructor. It has often been rumored that the 301st, the parent unit of the 66th, was first commanded by Col. George S. Patton, but this appears not to have been the case; while Patton was the first officer assigned to the Tank Corps, and while the 301st Tank Battalion was the first unit formed, Patton went nearly immediately to France to train Americans attached to Allied commands. The 301st was the only American heavy tank battalion to have seen action in the war. After the war, the 301st transitioned in the Regular Army to become the 66th Infantry Regiment by way of the 16th Tank Battalion.
The 194th Armored Brigade is a separate brigade of the US Army. All armor, cavalry, and armor and cavalry mechanic soldiers, and Marines in equivalent specialties, are trained by the 194th under the armor component of the Maneuver Center of Excellence at Fort Moore, Georgia, where the 194th has been garrisoned since 2012.
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 39th Infantry Division was an infantry formation of the Army National Guard, originally formed as the 18th Division in 1917. The division consisted of troops from Arkansas, Louisiana, and Mississippi. After training at Camp Beauregard, Louisiana, the division was deployed to France but did not see combat before the end of World War I. In July 1923 the division was re-designated as the 31st Infantry Division. The 39th Infantry Division was reactivated after World War II with troops from Louisiana and Arkansas and its headquarters in Louisiana. In 1967, the 39th Infantry Division was reorganized to become the 39th Infantry Brigade (Separate). Its headquarters was in Little Rock and the unit consisted entirely of troops from Arkansas.
The 70th Armor Regiment is an armored (tank) unit of the United States Army. It was constituted as the 70th Tank Battalion in July 1940, an independent tank battalion intended to provide close support to infantry units. In this role, it saw action in the Mediterranean and European Theater of Operations, making assault landings and fighting with the 9th Infantry Division in North Africa, and with the 1st Infantry Division in Sicily. The battalion supported the 4th Infantry Division on Utah Beach during the D-Day landings in France, and fought with the 4th Infantry Division through the remainder of World War II. The 70th Tank Battalion was one of the first three tank battalions to deploy to Korea in the Korean War, where it saw significant action, primarily with the 1st Cavalry Division.
The 34th Armor Regiment is an armored regiment of the United States Army formed in 1941.
The 157th Field Artillery Regiment (First Colorado) is a United States Army Regimental System field artillery parent regiment of the United States Army National Guard, represented in the Colorado Army National Guard by the 3rd Battalion, 157th Field Artillery Regiment, part of the 169th Field Artillery Brigade at Colorado Springs.
The 307th Infantry Regiment was a National Army unit first organized for service in World War I as part of the 77th Division in France. It later served in the Pacific Theater during World War II. Since then it has served as a training Regiment. In 1999, it was withdrawn from the Combat Arms Regimental System and redesignated as a non-branch regiment. The regiment's 1st Battalion is assigned to the 174th Infantry Brigade at Joint Base McGuire–Dix–Lakehurst, New Jersey, with the 2nd Battalion is assigned to the 157th Infantry Brigade at Camp Atterbury, Indiana.
The 340th Infantry Regiment was a National Army unit first organized for service in World War I as part of the 85th Infantry Division in Europe. Since then it has served as a training regiment, training Army Reserve and Army National Guard soldiers fighting in the War in Afghanistan (2001-2021) and the War in Iraq.
The 351st Infantry Regiment is a United States Army infantry regiment first organized in the National Army for service in World War I as part of the 88th Division in Europe. During the interwar period, it was reconstituted in the Organized Reserve with the 88th Division and later served in the Mediterranean Theater during World War II. Since then, it has served as a training regiment, training Army Reserve and Army National Guard soldiers for service overseas after the September 11 terrorist attacks.
The 306th Infantry Regiment was a National Army unit first organized for service in World War I as part of the 77th Infantry Division in Europe. It later served in the Pacific Theater during World War II. Since then it has served as a training Regiment. In 1999, it was withdrawn from the Combat Arms Regimental System and redesignated as a non-branch regiment. The regiment's 1st, 2nd, 4th, and 5th battalions are stationed at Fort Stewart under the command of the 188th Infantry Brigade. The 3rd Battalion is inactive.
The 310th Infantry Regiment was a National Army Infantry Regiment first organized for service in World War I as part of the 78th Division. It later served in the European Theater during World War II. Since then it has served as a training Regiment, training Army Reserve and Army National Guard soldiers for service after the September 11 terrorist attacks.
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