What is the 4th Infantry Division and where is it currently based?

The 4th Infantry Division is a division of the United States Army, currently based at Fort Carson, Colorado. It is a major combat formation within the U.S. Army.

What are the primary components that make up the 4th Infantry Division's structure?

The 4th Infantry Division is composed of a division headquarters battalion, three brigade combat teams (specifically two Stryker and one armor brigade), a combat aviation brigade, a division sustainment brigade, and a division artillery.

What are the official nicknames of the 4th Infantry Division and what do they signify?

The 4th Infantry Division has two official nicknames: "Ivy Division" and "Iron Horse." The "Ivy" nickname is a wordplay on the Roman numeral IV (4), with ivy leaves symbolizing tenacity and fidelity, which forms the basis of the division's motto. The "Iron Horse" nickname was adopted to emphasize the division's speed and power.

What is the motto of the 4th Infantry Division?

The motto of the 4th Infantry Division is "Steadfast and Loyal," which is derived from the symbolism of the ivy leaf in its nickname.

To which larger military formation does the 4th Infantry Division belong?

The 4th Infantry Division is part of the III Armored Corps.

Who is the current commander of the 4th Infantry Division?

The current commander of the 4th Infantry Division is Major General Patrick J. Ellis.

When was the 4th Division initially organized during World War I, and where did it adopt its distinctive insignia?

The 4th Division was organized on November 19, 1917, at Camp Greene, North Carolina, approximately seven months after the United States entered World War I. It was at Camp Greene that the division first adopted its distinctive insignia of four ivy leaves.

Who was the first commander of the 4th Division during World War I, and when did systematic training begin?

Major General George H. Cameron assumed command of the 4th Division on December 10, 1917. Systematic training for the division began at the end of December 1917, with approximately 13,000 men.

How was the 4th Division's personnel completed in early 1918 before its overseas deployment?

From late February 1918 onwards, men inducted from various parts of the United States were sent to the division. Specifically, from March 1-21, 1918, drafts totaling 10,000 men from Camps Custer, Grant, Lewis, Pike, and Travis completed the division's personnel. The division then sailed overseas from late April to early June 1918.

What was the 4th Division's organizational structure during World War I?

During World War I, the 4th Division's organization included its Headquarters, the 7th Infantry Brigade (comprising the 39th and 47th Infantry Regiments), the 8th Infantry Brigade (comprising the 58th and 59th Infantry Regiments), the 4th Field Artillery Brigade (with the 13th, 16th, and 77th Field Artillery Regiments, and the 4th Trench Mortar Battery), the 4th Engineer Regiment, the 8th Field Signal Battalion, Headquarters Troop, and the 4th Train Headquarters and Military Police (including the 4th Ammunition, Supply, Engineer, and Sanitary Trains).

Describe the 4th Division's role in the Battle of Saint-Mihiel during World War I.

For the Battle of Saint-Mihiel, the 4th Division was assigned to V Corps as part of the First United States Army, positioned on the western face of the salient. The strategy involved V Corps pushing southeast to meet IV Corps, which was pushing northwest, to encircle German forces. The 4th Division's attack began on September 14, with its 8th Brigade successfully capturing Manheulles, contributing to the closure of the Saint-Mihiel salient.

What was the 4th Division's occupation duty in Germany after World War I?

Following the Armistice, the 4th Division marched into Germany, covering 330 miles in 15 days, to occupy territory west of the Rhine, with its headquarters in Bad Bertrich. During this occupation, the division established training, sports, and educational activities for its soldiers. In April 1919, it moved to a new occupation area further north on the Rhine, specifically Ahrweiler in Rheinland-Pfalz, before returning to France and then the United States by July 31, 1919.

Where was the 4th Division stationed upon its return to the United States after World War I, and when was it inactivated?

The 4th Division arrived at Camp Merritt, New Jersey, on August 1, 1919. After discharging emergency period personnel, it proceeded to Camp Dodge, Iowa, arriving on August 8. It then took up temporary station until January 1920, when it was transferred to Camp Lewis, Washington, for permanent station. The division was inactivated on September 21, 1921, with most personnel and equipment transferred to the 3rd Division.

How was the 4th Division maintained for mobilization purposes during the interwar period after its inactivation?

During the interwar period (1921-1939), the inactive units of the 4th Division were assigned to "active associate" units to provide a cadre for reactivation in case of war. The division was allotted to the Fourth Corps Area and assigned to the IV Corps for mobilization responsibility, with Camp McClellan, Alabama, designated as its mobilization and training station. After 1926, inactive Regular Army units, including the 4th Division headquarters organized at Fort McPherson, Georgia, were manned with Organized Reserve personnel and trained with active elements during summer camps and command post exercises.

When and where was the 4th Division reactivated for World War II, and how was it initially reorganized?

The 4th Division was reactivated on June 1, 1940, at Fort Benning, Georgia, under the command of Major General Walter Prosser. In the summer of 1941, it was reorganized as a motorized division for the upcoming Louisiana Maneuvers and was officially designated the "4th Motorized Division" on July 11, 1941.

What significant training incident occurred involving the 4th Infantry Division in England prior to the D-Day landings?

During Exercise Tiger, the final dress rehearsal for the D-Day landings, German E-boats infiltrated the exercise area and torpedoed several landing ships. This incident resulted in the deaths of at least 749 members of the force, making it the division's greatest loss in connection with the D-Day landings, though it was largely unacknowledged until long after the war.

What was the 4th Infantry Division's role in the Normandy landings on D-Day?

The 4th Infantry Division assaulted the northern coast of German-held France during the Normandy landings, specifically landing at Utah Beach on June 6, 1944. Its 8th Infantry Regiment claimed to be the first surface-borne Allied unit to hit the beaches. The 1st and 2nd Battalions of the 8th Infantry cleared a two-mile stretch of Utah Beach before 0900.

What were the 4th Infantry Division's key actions in France after the Normandy landings?

After landing in Normandy, the 4th Infantry Division moved inland to relieve the 82nd Airborne Division at Sainte-Mère-Église, then cleared the Cotentin peninsula, and participated in the capture of Cherbourg on June 25. It also fought near Periers in July and broke through the German 7th Army's left flank, helping to halt their advance toward Avranches. By late August, the division had moved to Paris, allowing French forces to lead the liberation of their capital.

Which notable American authors were associated with the 4th Infantry Division during the liberation of Paris and its subsequent advance?

Ernest Hemingway took on a self-appointed role as a civilian scout in Paris for his friends in the 4th Infantry Division and was with the 22nd Infantry Regiment as it advanced from Paris into Belgium and Germany. J. D. Salinger, who met Hemingway during the liberation of Paris, was with the 12th Infantry Regiment.

Describe the 4th Infantry Division's combat operations in Belgium, Luxembourg, and Germany during World War II.

The 4th Infantry Division moved into Belgium to attack the Siegfried Line at Schnee Eifel on September 14, making several penetrations. It continued slow progress into Germany in October, then entered the heavy fighting of the Battle of Hurtgen Forest until early December. Shifting to Luxembourg, it faced the German Ardennes Offensive (Battle of the Bulge) on December 16, 1944, holding its lines at Dickweiler and Osweiler. In January, it counterattacked across the Sauer River, overrunning German positions in Fouhren and Vianden. After crossing the Prüm River on February 28 and the Kyll on March 7, the division crossed the Rhine on March 29 at Worms, secured Würzburg, and established a bridgehead across the Main at Ochsenfurt by April 3. It then sped southeast across Bavaria, reaching Miesbach on the Isar by May 2, 1945, before being placed on occupation duty.

What was the order of battle for the 4th Infantry Division during World War II?

The 4th Infantry Division's World War II order of battle included its Headquarters, the 8th, 12th, and 22nd Infantry Regiments, Headquarters and Headquarters Battery of the 4th Infantry Division Artillery (with the 20th, 29th, 42nd, and 44th Field Artillery Battalions), the 4th Engineer Combat Battalion, 4th Medical Battalion, 4th Cavalry Reconnaissance Troop (Mechanized), Headquarters, Special Troops (including Headquarters Company, 704th Ordnance Light Maintenance Company, 4th Quartermaster Company, 4th Signal Company, Military Police Platoon, and Band), and the 4th Counterintelligence Corps Detachment.

What was the total number of battle casualties suffered by the 4th Infantry Division in World War II?

The 4th Infantry Division suffered a total of 22,660 battle casualties in World War II, which was the highest number for any U.S. infantry division engaged in only one campaign or theater during the war. This included 4,097 killed in action, 17,371 wounded in action, 461 missing in action, and 731 prisoners of war, over 299 days of combat.

When was the 4th Infantry Division deactivated after World War II and subsequently reactivated as a training division?

The 4th Infantry Division returned to the United States in July 1945 and was deactivated on March 5, 1946. It was then reactivated as a training division at Fort Ord, California, on July 15, 1947.

What was the 4th Infantry Division's role in Germany during the early Cold War?

On October 1, 1950, the 4th Infantry Division was redesignated as a combat division and deployed to Germany in May 1951. It was the first of four United States divisions committed to the North Atlantic Treaty Organization (NATO) during the early years of the Cold War, with its headquarters in Frankfurt. After a five-year tour, it redeployed to Fort Lewis, Washington, in May 1956.

How was the 4th Infantry Division reorganized in 1957 and 1963?

On April 1, 1957, the division was reorganized as a Pentomic Division, which involved inactivating its three infantry regiments (8th, 12th, and 22nd) and reorganizing their elements into five infantry battle groups (1-8 IN, 1-12 IN, 1-22 IN, 2-39 IN, and 2-47 IN). Later, on October 1, 1963, the division was reorganized as a Reorganization Objective Army Division (ROAD), activating three Brigade Headquarters and reorganizing infantry units into battalions.

When and where did the 4th Infantry Division deploy for the Vietnam War?

The 4th Infantry Division deployed from Fort Lewis, Washington, to Camp Enari, Pleiku, Vietnam, on September 25, 1966. However, its 2nd Brigade actually deployed earlier, on July 21, arriving in Vietnam on August 2nd aboard the Nelson M Walker and was flown to Pleiku.

Describe the deployment and operations of the 4th Infantry Division's brigades during the Vietnam War.

During the Vietnam War, two of the 4th Infantry Division's brigades operated in the Central Highlands/II Corps Zone. Its 3rd Brigade, including the division's armor battalion, was sent to Tây Ninh Province northwest of Saigon to participate in Operation Attleboro (September to November 1966) and Operation Junction City (February to May 1967) in War Zone C. After nearly a year, the 3rd Brigade's battalions were officially exchanged with battalions from the 25th Infantry Division.

What were the total casualties for the 4th Infantry Division during the Vietnam War?

During the Vietnam War, the 4th Infantry Division suffered 2,531 killed in action and 15,229 wounded in action.

Where was the 4th Infantry Division stationed after returning from the Vietnam War, and what new nickname did it adopt during this period?

After returning from Vietnam on December 7, 1970, the 4th Infantry Division remained stationed at Fort Carson, Colorado, from 1970 through 1995. During this period, the division assumed the nickname "Ironhorse".

What was the purpose of the REFORGER exercises that the 4th Infantry Division participated in during the Cold War?

During the Cold War, the 4th Infantry Division, converted to a mechanized infantry division, frequently sent its constituent units to Europe to participate in the annual REFORGER (Return of Forces to Germany) exercises. These exercises were conducted to continue the Cold War mission of deterring Communist threats by practicing the rapid deployment and integration of U.S. forces in Europe.

What was the 4th Infantry Division's role in the Army's Force XXI modernization program?

In December 1995, the 4th Infantry Division was reflagged at Fort Hood, Texas, and became an experimental division for the Army's modernization program, Force XXI. Until October 2001, the 4th ID led the Army into the 21st century by testing and fielding state-of-the-art digital communications equipment, night fighting gear, advanced weaponry, and new organizational structures and doctrine.

What was the 4th Infantry Division's original planned role in the 2003 Iraq War, and why did it change?

The 4th Infantry Division was originally scheduled to spearhead an advance from Turkey into northern Iraq in the spring of 2003, involving over 80,000 troops. However, this plan changed because the Turkish Parliament refused to grant permission for the operation, causing the division's equipment to remain offshore on ships during the war's buildup.

Where did the 4th Infantry Division eventually deploy in Iraq after the change in plans?

After the Turkish refusal, the 4th Infantry Division quickly organized its materiel and manpower at ports in Kuwait and moved to positions around Baghdad in April 2003. It was deployed in the northern area of the Sunni Triangle, with its headquarters located at FOB Ironhorse in Saddam Hussein's former palaces in Tikrit.

What significant operation involving Saddam Hussein did elements of the 4th Infantry Division participate in?

On December 13, 2003, elements of the 1st Brigade Combat Team of the 4th Infantry Division participated in Operation Red Dawn, alongside United States special operations forces, which led to the capture of Saddam Hussein, the former President of Iraq.

What criticism was directed at the 4th Infantry Division's approach during its initial deployment in Iraq, and what was the defense against this criticism?

Some critics, including Thomas E. Ricks, called the 4th Infantry Division's stance belligerent during its initial entry into Iraq after the ground war, arguing that its lack of a 'hearts and minds' approach was ineffective in quelling the insurgency. In defense, then-commander Maj. Gen. Raymond T. Odierno and others argued that the high enemy activity in the 4th ID's area of operations, due to a concentration of Sunni resistance groups loyal to Saddam Hussein's regime (as it was Hussein's hometown), necessitated a different approach compared to more peaceful regions.

List some of the significant operations conducted by the 4th Infantry Division during Operation Iraqi Freedom I.

Significant operations conducted by the 4th Infantry Division during Operation Iraqi Freedom I include Operation Planet X (May 15, 2003), Operation Peninsula Strike (June 9-12, 2003), Operation Desert Scorpion (June 15-29, 2003), Operation Sidewinder (June 29-July 7, 2003), Operation Soda Mountain (July 12-17, 2003), Operation Ivy Serpent (July 12-21, 2003), Operation Ivy Lightning (August 12, 2003), Operation Ivy Needle (August 26, 2003), Operation Industrial Sweep (October 2003), Operation Ivy Cyclone (November 7, 2003), Operation Ivy Cyclone II (November 17, 2003), Operation Red Dawn (December 13, 2003), Operation Ivy Blizzard (December 17, 2003), Operation Arrowhead Blizzard (December 17, 2003), and Operation Rifles Fury (December 21, 2003).

What were the casualty figures for 4th Infantry Division/Multi-National Division – Baghdad soldiers across their deployments to Iraq?

Across its deployments to Iraq, 84 4th Infantry Division/Task Force Ironhorse soldiers were killed in 2003–2004. Additionally, 235 4th Infantry Division/Multi-National Division – Baghdad soldiers lost their lives in 2005–2006, and 113 4th Infantry Division/Multi-National Division – Baghdad soldiers were killed in 2007–2009.

What significant relocation did the 4th Infantry Division undergo in July 2009?

In July 2009, the 4th Infantry Division completed 14 years of being based at Fort Hood, Texas, and returned to Fort Carson, Colorado, where it had previously served from late 1970 through late 1995. The division headquarters and the 1st Brigade Combat Team transferred to Fort Carson, while the 2nd and 4th Brigades had already relocated, and the 3rd Brigade had remained at Fort Carson.

What was the role of the 3rd Brigade of the 4th Infantry Division during its deployment to southern Iraq from March 2010 to March 2011?

During its deployment to southern Iraq from March 2010 to March 2011, the 3rd Brigade of the 4th Infantry Division served in an "Advise and Assist" role in support of Operations Iraqi Freedom and New Dawn. Soldiers from the brigade assisted in training and preparing Iraqi forces to assume responsibility for the southern sector of Iraq after the expected withdrawal of U.S. forces, while also conducting combat operations and being exposed to direct combat with anti-coalition forces.

When did the 4th Brigade Combat Team deploy to Afghanistan, and where did its 1st Battalion 12th Infantry Regiment operate?

The 4th Brigade Combat Team deployed in May 2009 in support of Operation Enduring Freedom X for a 12-month combat rotation. Its 1st Battalion 12th Infantry Regiment deployed to Regional Command South, operating in Maiwand and Zhari districts, specifically the Arghandab River Valley, west of Kandahar City. This area was known as "The Heart of Darkness" due to its notoriety as the birthplace of the Taliban.

What significant battle involved the 3rd Squadron 61st Cavalry Regiment in Afghanistan, and what recognition did its Bravo Troop receive?

The 3rd Squadron 61st Cavalry Regiment was involved in the Battle of Kamdesh in Regional Command East, where a combat outpost was attacked by over 300 insurgents. For their bravery during this battle on October 3, 2009, Bravo Troop 3-61 Cavalry became the most decorated unit of the Afghanistan War, and the Battle of Kamdesh was the first in 50 years where the Medal of Honor was awarded to two living servicemen.

What unit decoration did the 4th Brigade Combat Team receive for its actions in Afghanistan?

For its actions during the deployment to Afghanistan, the 4th Brigade Combat Team was awarded the Valorous Unit Award, which is the second highest unit decoration given to United States Army units.

What was the 4th Infantry Division's involvement in Operation Inherent Resolve?

Soldiers assigned to the 4th Infantry Division completed a nine-month deployment to Iraq in 2015 in support of Operation Inherent Resolve, which aimed to support the military intervention against the Islamic State of Iraq and the Levant. Additionally, troops from the division's 3rd Armored Brigade Combat Team deployed to Southwest Asia in February 2015, and the 1st Stryker Brigade Combat Team deployed to Erbil Air Base in Iraq in September 2021 for this operation.

What was the 4th Infantry Division's contribution to Operation Atlantic Resolve in Europe?

On November 3, 2016, approximately 4,000 soldiers from the 4th Infantry Division's 3rd Armored Brigade Combat Team were deployed to Europe in support of Operation Atlantic Resolve. This deployment aimed to deter possible Russian aggression, with units fanning out across the continent: one battalion with M1 Abrams tanks covering the Baltic region (Estonia and Latvia), another operating in Germany, a mechanized infantry battalion with M2 Bradley troop carriers and M1 Abrams tanks in the Romanian and Bulgarian region, and the brigade headquarters, an armored cavalry unit, and a field artillery battalion (with M109 Paladin howitzers) remaining in Poland.

What are the main components of the 4th Infantry Division's current organizational structure?

The 4th Infantry Division's current organization consists of a Division Headquarters and Headquarters Battalion, the 1st Stryker Brigade Combat Team, the 2nd Stryker Brigade Combat Team, the 3rd Armored Brigade Combat Team, the 4th Division Artillery, the 4th Combat Aviation Brigade, and the 4th Division Sustainment Brigade.

Which specific battalions and squadrons comprise the 1st Stryker Brigade Combat Team of the 4th Infantry Division?

The 1st Stryker Brigade Combat Team (Raiders) includes its Headquarters and Headquarters Company, the 2nd Squadron, 1st Cavalry Regiment (inactivated in August 2024), the 4th Battalion, 9th Infantry Regiment, the 2nd Battalion, 23rd Infantry Regiment, the 1st Battalion, 38th Infantry Regiment, the 299th Brigade Engineer Battalion, and the 4th Brigade Support Battalion.

Which specific battalions and squadrons comprise the 2nd Stryker Brigade Combat Team of the 4th Infantry Division?

The 2nd Stryker Brigade Combat Team (Mountain Warrior) includes its Headquarters and Headquarters Company, the 3rd Squadron, 61st Cavalry Regiment (inactivated in July 2024), the 1st Battalion, 12th Infantry Regiment, the 2nd Battalion, 12th Infantry Regiment, the 1st Battalion, 41st Infantry Regiment, the 52nd Brigade Engineer Battalion (inactivated October 2024), and the 704th Brigade Support Battalion.

Which specific battalions and squadrons comprise the 3rd Armored Brigade Combat Team of the 4th Infantry Division?

The 3rd Armored Brigade Combat Team (Iron) includes its Headquarters and Headquarters Company, the 4th Squadron, 10th Cavalry Regiment, the 1st Battalion, 8th Infantry Regiment, the 1st Battalion, 66th Armor Regiment, the 1st Battalion, 68th Armor Regiment, the 588th Brigade Engineer Battalion, and the 64th Brigade Support Battalion.

What are the campaign participation credits for the 4th Infantry Division in World War I?

In World War I, the 4th Infantry Division received campaign participation credits for Aisne-Marne, Saint-Mihiel, Meuse-Argonne, Champagne 1918, and Lorraine 1918.

What are the campaign participation credits for the 4th Infantry Division in World War II?

In World War II, the 4th Infantry Division received campaign participation credits for Normandy (with arrowhead), Northern France (except 3rd Brigade), Rhineland (except 3rd Brigade), Ardennes-Alsace (except 3rd Brigade), and Central Europe (except 3rd Brigade).

What are the campaign participation credits for the 4th Infantry Division in the Vietnam War?

In the Vietnam War, the 4th Infantry Division received campaign participation credits for Counteroffensive, Phase II; Counteroffensive, Phase III; Tet Counteroffensive; Counteroffensive, Phase IV; Counteroffensive, Phase V; Counteroffensive, Phase VI; Tet 69/Counteroffensive; Summer-Fall 1969; Winter-Spring 1970; Sanctuary Counteroffensive (except 3rd Brigade); and Counteroffensive, Phase VII (except 3rd Brigade).

4th Infantry Division United States Wiki: The Iron Horse Division: A Century of Steadfast & Loyal Service

Dive in with Flashcard Learning!

When you are ready...
🎮 Play the Wiki2Web Clarity Challenge Game🎮

Division Identity

The "Ivy" Division

The 4th Infantry Division's primary nickname, "Ivy," is a clever play on the Roman numeral for four, IV. The four ivy leaves on the division's insignia represent tenacity and fidelity. This symbolism is the foundation of the division's enduring motto: "Steadfast and Loyal."

The "Iron Horse"

A second nickname, "Iron Horse," was adopted to highlight the speed, power, and mechanized capabilities of the division and its soldiers. This name reflects the division's evolution into a modern, hard-hitting force capable of rapid deployment and decisive action.

Home at Fort Carson

Currently based at Fort Carson, Colorado, the 4th Infantry Division is a major subordinate unit of the III Armored Corps. Its structure includes a division headquarters, multiple brigade combat teams, a combat aviation brigade, and sustainment units, forming a versatile and powerful combined arms force.

World War I

Forged in the Great War

The 4th Division was organized in November 1917 at Camp Greene, North Carolina, seven months after the U.S. entered World War I. Formed from a cadre of Regular Army troops and supplemented by draftees from across the nation, the division adopted its iconic four-leaf ivy insignia here. By early 1918, the division was at full strength and began its deployment to the Western Front in France.

Trial by Fire

As part of the American Expeditionary Forces (AEF), the division saw significant action. During the Battle of Saint-Mihiel, the 4th Division, assigned to V Corps, played a crucial role on the western face of the German salient. The attack, launched in September 1918, successfully closed the salient, with the 8th Brigade capturing the town of Manheulles. The division also fought in the brutal Meuse-Argonne and Aisne-Marne offensives.

Occupation and Return

Following the Armistice, the 4th Division marched 330 miles in 15 days into Germany as part of the occupation force. Headquartered in Bad Bertrich, the division's duties included maintaining order and establishing training and recreational activities for the soldiers. After months of occupation duty, the division returned to the United States in July 1919.

Component	Units
7th Infantry Brigade	39th & 47th Infantry Regiments
8th Infantry Brigade	58th & 59th Infantry Regiments
4th Field Artillery Brigade	13th, 16th, & 77th Field Artillery Regiments; 4th Trench Mortar Battery
Support Units	4th Engineer Regiment, 8th Field Signal Battalion, 4th Train HQ & Military Police

World War II

Spearheading D-Day

After reactivating in 1940, the 4th Infantry Division was designated to lead the amphibious assault on Utah Beach during the Normandy landings on June 6, 1944. The 8th Infantry Regiment was the first surface-borne Allied unit to hit the beaches on D-Day. After securing the beachhead, the division pushed inland, relieving the beleaguered 82nd Airborne Division at Sainte-Mère-Église and participating in the capture of Cherbourg.

The Hurtgen Forest & The Bulge

The division endured some of the most ferocious fighting of the war. In the fall of 1944, it entered the grueling Battle of Hurtgen Forest, a brutal, close-quarters fight in dense woods that lasted for months. Shortly after, it was moved to Luxembourg, where it met the German Ardennes Offensive—the Battle of the Bulge—head-on. Though heavily pressed, the division's lines held, and they counterattacked across the Sauer River in January.

The Cost of Victory

The 4th Infantry Division fought for 299 consecutive days, from D-Day to V-E Day. This relentless combat came at a staggering cost. The division suffered 22,660 total battle casualties, including 4,097 killed in action, the highest number of casualties for any U.S. infantry division engaged in a single theater of the war. Its path of liberation stretched from the beaches of France, through Belgium and Luxembourg, and deep into the heart of Bavaria by the war's end.

Component	Units
Infantry Regiments	8th, 12th, & 22nd Infantry Regiments
Division Artillery	20th, 29th, 42nd, & 44th Field Artillery Battalions
Support Units	4th Engineer Combat Battalion, 4th Medical Battalion, 4th Cavalry Reconnaissance Troop

The Cold War

A Shield in Europe

After a brief deactivation post-WWII, the division was reactivated and, in May 1951, deployed to Germany. It became one of the first U.S. divisions committed to NATO, serving as a bulwark against potential Soviet aggression during the early Cold War. After a five-year tour, the division returned to Fort Lewis, Washington, as part of Operation Gyroscope, a program that rotated entire divisions between the U.S. and overseas stations.

Reorganization and Modernization

The Cold War era was a period of significant structural change for the Army. In 1957, the 4th ID was reorganized as a "Pentomic" division, breaking its traditional regiments into five self-contained battle groups. By 1963, it was reorganized again under the Reorganization Objective Army Division (ROAD) concept, which re-established brigades and battalions, providing greater tactical flexibility—a structure that would be tested in Vietnam.

REFORGER and the Ironhorse

After returning from Vietnam, the division settled at Fort Carson and was converted into a mechanized infantry division. It became a key participant in the annual REFORGER (Return of Forces to Germany) exercises, which practiced rapid deployment to Europe to reinforce NATO. It was during this period of focusing on mechanized power and readiness that the division fully embraced its "Ironhorse" nickname.

Vietnam War

The Central Highlands

The 4th Infantry Division deployed to Vietnam in 1966, establishing its base at Camp Enari near Pleiku in the rugged Central Highlands. For over four years, the division operated in this challenging terrain, conducting combat operations from the Cambodian border to the South China Sea. Its primary mission was to counter the infiltration of People's Army of Vietnam (PAVN) regular forces along the Ho Chi Minh Trail.

Intense Combat

The division engaged in some of the most intense fighting of the war. Its 3rd Brigade participated in major operations like Attleboro and Junction City in War Zone C. In the autumn of 1967, the division fought a series of brutal battles against PAVN regulars in the mountains around Dak To and Kontum. In 1970, the division conducted cross-border operations as part of the Cambodian Incursion to disrupt enemy supply lines.

A Long and Costly Tour

The "Ivy Division" returned to Fort Carson in December 1970 after more than four years of continuous combat. The division's long and arduous service in Vietnam resulted in 2,531 soldiers killed in action and 15,229 wounded. Twelve soldiers from the division were awarded the Medal of Honor for their valor during the conflict.

The Modern Era

Force XXI: The Digital Division

In the 1990s, the 4th ID relocated to Fort Hood, Texas, and was designated as the Army's experimental division for the Force XXI initiative. It led the Army's transition into the 21st century by testing and fielding state-of-the-art digital communications, advanced weaponry, and new organizational doctrines, preparing the entire force for the future of networked warfare.

Operation Iraqi Freedom

The division's planned role to invade Iraq from Turkey was thwarted by political hurdles, but it quickly deployed through Kuwait in 2003. Operating in the "Sunni Triangle," the division's area included Saddam Hussein's hometown of Tikrit. On December 13, 2003, soldiers from its 1st Brigade Combat Team, along with special operations forces, successfully captured Saddam Hussein in Operation Red Dawn. The division would serve multiple tours in Iraq over the following years.

Operation Enduring Freedom

In 2009, the 4th Brigade Combat Team deployed to Afghanistan. Its units faced intense combat in notorious insurgent strongholds like the Arghandab River Valley and the Pech River Valley. The 3rd Squadron, 61st Cavalry Regiment fought in the Battle of Kamdesh, an action for which two living soldiers, Clinton Romesha and Ty Carter, received the Medal of Honor—a first in 50 years. The division's brigades continued to serve in Afghanistan in combat and advisory roles.

Global Response Force

In recent years, the 4th Infantry Division has continued its role as a key element of America's ground forces. It has deployed units in support of Operation Inherent Resolve, combating ISIS in Iraq and Syria. Concurrently, it has sent armored brigades to Europe as part of Operation Atlantic Resolve, a mission to deter aggression and reassure NATO allies, demonstrating the division's continued readiness and global reach.

Current Division Structure

Organization at Fort Carson

The 4th Infantry Division is a combined arms division composed of a headquarters, three Brigade Combat Teams (BCTs), a Division Artillery (DIVARTY), a Combat Aviation Brigade (CAB), and a Division Sustainment Brigade. This modular structure allows for tailored force packages to meet a wide range of operational requirements.

Component	Type	Nickname
1st Brigade Combat Team	Stryker (SBCT)	Raiders
2nd Brigade Combat Team	Stryker (SBCT)	Mountain Warrior
3rd Brigade Combat Team	Armored (ABCT)	Iron
4th Division Artillery	Fires Brigade	(DIVARTY)
4th Combat Aviation Brigade	Aviation	Ivy Eagles
4th Division Sustainment Brigade	Logistics & Support	(DSB)
Division Headquarters	Command & Control	(HHBN)

Honors & Legacy

Campaign Participation

The 4th Infantry Division's colors are adorned with streamers representing its participation in America's major conflicts for over a century. Key campaigns include:

World War I: Aisne-Marne, Saint-Mihiel, Meuse-Argonne
World War II: Normandy (with arrowhead), Northern France, Rhineland, Ardennes-Alsace
Vietnam: Multiple Counteroffensives, Tet Counteroffensive, Sanctuary Counteroffensive
Global War on Terror: Liberation of Iraq, Iraqi Surge, Consolidation III (Afghanistan)

Medal of Honor Recipients

The highest military decoration for valor has been awarded to numerous soldiers of the 4th Infantry Division throughout its history. Their extraordinary courage and sacrifice embody the spirit of the division.

World War I: William Shemin

World War II: Marcario Garcia, George L. Mabry, Jr., Bernard J. Ray, Theodore Roosevelt Jr., Pedro Cano

Vietnam War: Leslie A. Bellrichard, Thomas W. Bennett, Donald W. Evans, Jr., Bruce A. Grandstaff, Dwight H. Johnson, Phill G. McDonald, David H. McNerney, Ferenc Z. Molnár, Anund C. Roark, Elmelindo R. Smith, Louis E. Willett

War in Afghanistan: Clinton L. Romesha, Ty Carter, Florent A. Groberg

Teacher's Corner

Edit and Print this course in the Wiki2Web Teacher Studio

Edit and Print Materials from this study in the wiki2web studio

Click here to open the "4th Infantry Division United States" Wiki2Web Studio curriculum kit

Use the free Wiki2web Studio to generate printable flashcards, worksheets, exams, and export your materials as a web page or an interactive game.

True or False?

Test Your Knowledge!

Gamer's Corner

Are you ready for the Wiki2Web Clarity Challenge?

Learn about 4th_infantry_division_united_states while playing the wiki2web Clarity Challenge game.

Unlock the mystery image and prove your knowledge by earning trophies. This simple game is addictively fun and is a great way to learn!

Play now

Explore More Topics

Discover other topics to study!

References

army.mil

Army Battle Casualties and Nonbattle Deaths in World War II, Final Report (Statistical and Accounting Branch Office of the Adjutant General, 1 June 1953)

Stanton, Shelby, Vietnam Order of Battle: A Complete Illustrated Reference to the U.S. Army and Allied Ground Forces in Vietnam, 1961â1973, Stackpole Books 2006, p. 75-76

A full list of references for this article are available at the 4th Infantry Division (United States) Wikipedia page

Feedback & Support

To report an issue with this page, or to find out ways to support the mission, please click here.

Disclaimer

Important Notice

This page was generated by an Artificial Intelligence and is intended for informational and educational purposes only. The content is based on a snapshot of publicly available data from Wikipedia and may not be entirely accurate, complete, or up-to-date.

This is not official U.S. Army or Department of Defense information. The information provided on this website is not a substitute for official military historical records or doctrine. For official information, please refer to the U.S. Army Center of Military History or the official 4th Infantry Division website.

The creators of this page are not responsible for any errors or omissions, or for any actions taken based on the information provided herein.

The Iron Horse Division

💡 Dive in with Flashcard Learning! 💡

Division Identity 🛡️

🌿 The "Ivy" Division

🐎 The "Iron Horse"

📍 Home at Fort Carson

World War I ⚔️

🇺🇸 Forged in the Great War

💥 Trial by Fire

🇩🇪 Occupation and Return

World War II 🌍

🌊 Spearheading D-Day

🌲 The Hurtgen Forest & The Bulge

🎖️ The Cost of Victory

The Cold War ❄️

🇪🇺 A Shield in Europe

🔄 Reorganization and Modernization

🏋️ REFORGER and the Ironhorse

Vietnam War 🚁

⛰️ The Central Highlands

🔥 Intense Combat

🎗️ A Long and Costly Tour

The Modern Era 🛰️

💻 Force XXI: The Digital Division

🇮🇶 Operation Iraqi Freedom

🇦🇫 Operation Enduring Freedom

🌐 Global Response Force

Current Division Structure 🏛️

🧩 Organization at Fort Carson

Honors & Legacy 🏆

📜 Campaign Participation

🏅 Medal of Honor Recipients

Teacher's Corner 🧑‍🏫

Edit and Print this course in the Wiki2Web Teacher Studio

True or False? 🤔

❓ Test Your Knowledge! ❓

Gamer's Corner 🎮

Are you ready for the Wiki2Web Clarity Challenge?

Explore More Topics

📜 Discover other topics to study!

References

📜 References

Feedback & Support 👍

To report an issue with this page, or to find out ways to support the mission, please click here.

Disclaimer ⚠️

📜 Important Notice

Dive in with Flashcard Learning!

Division Identity

The "Ivy" Division

The "Iron Horse"

Home at Fort Carson

World War I

Forged in the Great War

Trial by Fire

Occupation and Return

World War II

Spearheading D-Day

The Hurtgen Forest & The Bulge

The Cost of Victory

The Cold War

A Shield in Europe

Reorganization and Modernization

REFORGER and the Ironhorse

Vietnam War

The Central Highlands

Intense Combat

A Long and Costly Tour

The Modern Era

Force XXI: The Digital Division

Operation Iraqi Freedom

Operation Enduring Freedom

Global Response Force

Current Division Structure

Organization at Fort Carson

Honors & Legacy

Campaign Participation

Medal of Honor Recipients

Teacher's Corner

True or False?

Test Your Knowledge!

Gamer's Corner

Discover other topics to study!

References

Feedback & Support

Disclaimer

Important Notice