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 87th Infantry Division was a unit of the United States Army in World War I and World War II.
The 88th Infantry Division was an infantry division of the United States Army that saw service in both World War I and World War II. It was one of the first of the Organized Reserve divisions to be called into federal service, created nearly "from scratch" after the implementation of the draft in 1940. Previous divisions were composed of a core of either Regular Army or National Guard personnel plus draftees. Much of the experience in reactivating it was used in the subsequent expansion of the U.S. Army.
The 63rd Infantry Division was an infantry division of the United States Army that fought in Europe during World War II. After the war it was inactivated, but later the division number and shoulder sleeve insignia were authorized for use by the 63rd Army Reserve Command (ARCOM).
The 43rd Infantry Division was a formation of the United States Army from 1920 to 1963, serving in the Pacific during World War II. It was activated in 1920 as a National Guard Division in Connecticut, Maine, Rhode Island, and Vermont. The 143rd Regional Support Group of the Connecticut National Guard now carries on the heritage.
The 85th Infantry Division also known as "Custer Division" was an infantry division of the United States Army in World War I and World War II. It currently exists as the 85th Support Command.
The 509th Infantry Regiment is an airborne infantry regiment of the United States Army. The unit was initially activated as a single battalion, the 504th Parachute Infantry Battalion, in October 1941 at Fort Benning, Georgia. Nicknamed "Geronimo", the 509th conducted the U.S. Army's first combat jump during World War II on 8 November 1942, flying 1,500 miles from England to seize Tafarquay airport in Oran, Algeria. The 509th made a total of five combat jumps during the war.
The 171st Infantry Brigade was an infantry brigade of the United States Army based at Fort Jackson, South Carolina. With a long history of serving, the brigade saw action during both World War I and World War II before it was inactivated in 1946. During the Cold War the brigade was once again activated for a period of ten years until again inactivated in 1972. In 2007 the brigade was reactivated as a training support unit and inactivated on 10 June 2016.
The 191st Infantry Brigade was constituted on 24 June 1921 in the Organized Reserves as Headquarters and Headquarters Company, 191st Infantry Brigade, and assigned to the 96th Division. It was organized in December 1921 at Portland, Oregon, and redesignated on 23 March 1925 as Headquarters and Headquarters Company, 191st Brigade, then redesignated on 24 August 1936 as Headquarters and Headquarters Company, 191st Infantry Brigade. It was converted and redesignated on 6 April 1942 as the 96th Reconnaissance Troop, 96th Division. The Troop was ordered into active military service on 15 August 1942 and reorganized at Camp Adair, Oregon, as the 96th Cavalry Reconnaissance Troop, an element of the 96th Infantry Division. It was reorganized and redesignated on 16 August 1943 as the 96th Reconnaissance Troop, Mechanized, and then again reorganized and redesignated on 20 November 1945 as the 96th Mechanized Cavalry Reconnaissance Troop. Following World War II service with the 96th Infantry Division in the Pacific, it was inactivated on 3 February 1946 at Camp Anza, California.
The 181st Infantry Brigade is an infantry brigade of the United States Army based at Fort McCoy, Wisconsin. As a First Army brigade, the unit serves primarily in a partnering and training role for Reserve Units. The brigade is subordinate to the First United States Army, headquartered at Rock Island Arsenal, Illinois. It has ten subordinate battalions.
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 5th Brigade, 78th Division was an AC/RC unit based at Joint Base McGuire–Dix–Lakehurst, New Jersey. The unit was responsible for training selected United States Army Reserve and National Guard units along the East coast. The brigade was a subordinate unit of First Army Division East, First United States Army when it was inactivated in 2006.
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 51st Infantry Regiment is a regiment of the United States Army first established in 1917.
The 3rd Infantry Division Artillery (DIVARTY) is the divisional artillery command for the 3rd Infantry Division at Fort Stewart, Georgia. The DIVARTY has served with the division in World Wars I and II, the Korean War, Operation Iraqi Freedom, and in peacetime at Fort Stewart and Germany. The DIVARTY was inactivated in 2004 as part of transformation to modular brigade combat teams, but was reactivated on 17 October 2014 to provide fire support coordination and mission command for the training and readiness of Field Artillery units across the division.
The 337th Infantry Regiment was an American National Army Infantry Regiment first organized for service in World War I as part of the 85th Division. It 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 overseas service.
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 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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