III Corps (United States)

For the Third Army Corps of the Union Army during the American Civil War, see III Corps (Union Army).
III Corps

Shoulder sleeve insignia of III Corps
Active 1918–19
1927–46
1951–59
1961–present
Country United States United States
Branch  United States Army
Part of United States Army Forces Command
Garrison/HQ Fort Hood, Texas
Nickname(s) "Phantom Corps"[1] or "America's Hammer"[2]
Engagements World War I
World War II
Iraq Campaign
Operation Inherent Resolve
Commanders
Commander Lt. Gen. Sean MacFarland[3]
Insignia
Distinctive unit insignia
Combat service identification badge
U.S. Corps (1939 - Present)
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II Corps IV Corps

III Corps is a corps of the United States Army headquartered at Fort Hood, Texas. It is a major formation of the United States Army Forces Command.

Activated in World War I in France, III Corps oversaw US Army divisions as they repelled several major German offensives and led them into Germany. The corps was deactivated following the end of the war.

Reactivated in the interwar years, III Corps trained US Army formations for combat before and during World War II, before itself being deployed to the European Theater where it participated in several key engagements, including the Battle of the Bulge where it relieved the surrounded 101st Airborne Division.

For the next 50 years, the corps was a key training element for the US Army as it sent troops overseas in support of the Cold War, the Korean War, and the Vietnam War. The corps saw no combat deployments, however, until Operation Iraqi Freedom in 2004.

History

World War I

III Corps was first organized on 16 May 1918 in France.[4] It was designed as three of the four newly activated corps of the American Expeditionary Force, which at that time number over 1,000,000 men in 23 divisions. The corps took command of US forces training with the French Seventh Army at the same time that IV Corps took command of US forces training with the French Eighth Army.[5]

Aisne-Marne campaign

In July, the corps was rushed to the Villers-Cotterêts area in preparation for the Third Battle of the Aisne, the first major Allied counteroffensive of the year. There, it was put under the French Tenth Army and given administrative command of the 1st Division and the 2nd Division which were previously under command of the French XX Corps.[6] However, the command group arrived in the area too late to exercise tactical command, and it was instead attached to the French XX Corps. On 18 July, the attack was launched, with the force spearheading the French Tenth Army's assault on the high ground south of Soissons. During this attack, the Corps also cut rail lines supplying the German Army.

The first day of the attack was a success, but on the second day, the Germans were reinforced with heavier weapons and were able to blunt the attack, inflicting high casualties. The force was successful despite heavy casualties, and German forces were forced to retreat.[7] On 1 August, the corps arrived in the Vesle area near the Marne River, where it assumed command of the 3rd Division, 28th Division, and 32nd Division from the French XXXVIII Corps, placing side-by side with the U.S. I Corps for a few days.[8] Troops continued to advance until September when they withdrew to form the new First United States Army.[9]

Meuse-Argonne campaign

Map of the area during the Meuse-Argonne campaign

First Army formed up in preparation to advance in the Meuse-Argonne campaign. It consisted of over 600,000 men in I Corps, III Corps, and V Corps. III Corps took the Army's east flank, protecting it as the Army advanced to Montfaucon, then Cunel and Romagne-sous-Montfaucon.[10] The offensive was slow and hampered by inexperience of many of the divisions under the Army's command, though III Corps was effective in protecting its sector.[11] They advanced through September and October, taking a few weeks for rest after the formation of Second United States Army.[12] On 1 November, the First Army went on a general offensive, pushing north to the Meuse River and the Barricourt Ridge. It was successful, pushing German forces back and advancing to the river until the end of the war.[13] Around that time, the division received its shoulder sleeve insignia, approving it by telegram, though the insignia would not be officially authorized until 1922.[14]

The corps was demobilized in Neuwied, Germany at the close of hostilities.[15] Following the end of World War I, III Corps remained in Europe for several months before it returned to the United States. It was demobilized at Camp Sherman, Ohio.[4]

Interwar period

On 15 August 1927 the XXII Corps was activated in the United States. On 13 October of that year XXII Corps was redesignated as III Corps. It was formally activated on 18 December 1927.[4] Throughout much of the next decade, the corps was directed primarily with training and equipping smaller units, as the US military began slowly building in strength in response to international conflicts.[16] In 1940, III Corps was tasked specifically with training newly formed US Army combat divisions in preparation for deployment.[1] It was moved to Camp Hood, Texas for this mission.[17]

World War II

Following the Japanese attack on Pearl Harbor bringing America into World War II, III Corps remained in the United States, where it was assigned to organize defenses of the West Coast, specifically California, from the threat of attack from Japan. During this time III Corps operated at Monterey, California.[15][18]

The corps was moved to Fort McPherson, Georgia in early 1942 for training. After a short period, the corps returned to Monterey and on 19 August 1942, it was designated a separate corps, capable of deployment. During the next two years, III Corps would train thousands of troops for combat, including 33 division-sized units, and participate in four corps-level maneuvers, including the Louisiana Maneuvers.[15]

Europe

On 23 August 1944, the corps headquarters departed California for Camp Myles Standish in Massachusetts. It deployed for the European Theater of Operations (ETO) on 5 September 1944. Upon arrival at Cherbourg, France, III Corps was assigned to the Ninth Army, part of Lieutenant General Omar Bradley's Twelfth United States Army Group, and given the code name "CENTURY" which it retained throughout the war.[15] The corps headquarters was established at Carteret, in Normandy, and for six weeks, the corps received and processed all the troops of the 12th Army Group arriving over the Normandy beaches during that period. The corps also participated in the "Red Ball Express" by organizing 45 provisional truck companies to carry fuel and ammunition for the units on the front lines.[15]

The "Red Ball Express" which III Corps helped organize.

The corps was assigned to Lieutenant General George Patton's Third Army on 10 October 1944, and moved to Etain, near Verdun, and into combat. The corps' first fighting was for the Metz region, as it was moved to attack Fort Jeanne d'Arc, one of the last forts holding out in the region. That fort fell on 13 December 1944.[15]

Later that month on 16 December came the last German counteroffensive in the Battle of the Bulge, as over 250,000 German troops, supported by over 1,000 tanks and assault guns assaulted the lines of VIII Corps, some 40 miles to the north of III Corps.[19] The next day, the Third Army commander, Patton, warned III Corps that it would likely be ordered to assist.[20] At that time the corps consisted of the 26th and 80th Infantry Divisions and the 4th Armored Division.[21] III Corps was moved north to assist in the relief of Bastogne, Belgium, with the attack commencing at 04:00 on 22 December 1944.[22] The corps advanced north, catching the German forces by surprise on their south flank, cutting them off.[23] The 4th Armored Division was eventually able to reach Bastogne, where the 101st Airborne Division had been surrounded by German forces, and relieve it.[24] During the first 10 days of this action, III Corps liberated more than 100 towns, including Bastogne. This operation was key in halting the German offensive and the eventual drive to the Rhine River.[15]

During the first four months of 1945, III Corps moved quickly to the offensive. On 25 February, the corps, now as part of the First Army, established a bridgehead over the Roer River, which, in turn, led to the capture of the Ludendorff Bridge at Remagen, on the Rhine River, on 7 March.[1] On 30 March, the Edersee Dam was captured intact by Task Force Wolfe of the 7th Armored Division, and the corps continued the attack to seize the Ruhr Pocket on 5 April 1945. In late April, III Corps reformed and launched a drive through Bavaria towards Austria. On 2 May 1945, III Corps was ordered to halt at the Inn River on the Austrian border, just days before V-E Day, when the German forces surrendered, bringing an end to the war in Europe.[15]

Post-war

At the end of the war, III Corps had added campaign streamers for Northern France, Rhineland, Ardennes-Alsace, and Central Europe, had taken more than 226,102 prisoners and had seized more than 4,500 square miles (12,000 km2) of German territory. The corps had also participated in most of the critical actions from Normandy to the German-Austrian border. Its wartime commanders included Major General John Millikin and Major General James A. Van Fleet.[15] After 13 months of occupation duty in Germany, the corps returned to Camp Polk, Louisiana, where it was inactivated on 10 October 1946.[4]

Cold War era

On 15 March 1951, during the height of the Korean War, III Corps was again called to active duty at Camp Roberts, California.[4] In April 1954, III Corps moved to Fort Hood, Texas, where it participated in a number of important exercises, either as director headquarters or as a player unit. It took command of the 1st Armored Division and the 4th Armored Division.[25] The main purpose of these operations was the testing of new doctrines, organizations, and equipment. On 5 May 1959, the corps was again inactivated.[4]

The Berlin crisis brought III Corps back to active duty for the fourth time on 1 September 1961.[4] Units participated in an intensive training program and were operationally ready by December 1961. In February 1962, the Department of the Army designated III Corps as a unit of the U.S. Strategic Army Corps and in September 1965, assigned III Corps to the U.S. Strategic Army Forces.[17] Throughout much of the 1960s, III Corps and its subordinate units trained for rapid deployment to Europe in the event of an outbreak of war there.[26]

During the Vietnam War era, the corps supervised the training and deployment of more than 137 units and detachments to Southeast Asia, including the I and II Field Force staffs. The corps also trained more than 40,000 individual replacements for units in Vietnam, for a total of over 100,000 soldiers trained.[17] As the war in Southeast Asia ended, the corps received many units and individual soldiers for reassignment or inactivation. It was also during this period that III Corps units participated in a number of key tests and evaluations that would help determine Army organization and equipment for the next 30 years.[15] During this era, the corps also received its distinctive unit insignia.[14]

Exercise REFORGER which III Corps units participated in

In July 1973, III Corps became part of the newly established Forces Command and its training, testing, and evaluation mission began to grow. For the remainder of the decade, III Corps would take part in a number of Training and Doctrine Command tests of organizations and tactical concepts, and play a key role in the fielding of new equipment. III Corps units would also participate in major exercises such as Exercise REFORGER (Return of Forces to Germany) and disaster relief operations in the United States and Central America.[15]

In the summer of 1974, the Army decided to implement one of the recommendations of the Howze Board and created an air cavalry combat brigade. The assets of the 2d Brigade, 1st Cavalry Division were used to create the 6th Cavalry Brigade (Air Combat). The new brigade was assigned to the III Corps as a corps asset. 1st Squadron, 6th Cavalry Regiment, was transferred to the new brigade on 21 February 1975. The brigade served as a test bed for new concepts involving the employment of attack helicopters on the modern battlefield. In 1985-85, the brigade consisted of 1st Squadron, 6th Cavalry; 4th Squadron, 9th Cavalry Regiment (4-9 CAV); and 5th and 7th Squadrons, 17th Cavalry Regiment (5-17 CAV and 7-17 CAV), all flying attack helicopters.[27]

As part of the Army's modernization effort in the 1980s corps units introduced new organizations and equipment including the M1 Abrams tank, M2 Bradley Fighting Vehicle, AH-64 Apache helicopter, Multiple Launch Rocket System, and Mobile Subscriber Equipment. In 1987, III Corps also conducted the largest deployment of forces to Germany since the Second World War, Exercise Reforger '87. During this time, the corps began assisting in the training and support of active and reserve component units. This support involves training guidance, resources, and the maintenance of relationships that extend to wartime affiliations.[15]

1990s

Following the end of the Cold War, III Corps headquarters itself saw no major contingencies, however it saw numerous units under its command deploy to contingencies around the world. III Corps units were sent to Grenada, Panama, Honduras, Saudi Arabia, Kuwait, and Iraq. In the fall of 1990, two 6th Cavalry Brigade (Air Combat) units deployed to Iraq during Operation Desert Shield. One of those units was 2nd Battalion, 158th Aviation Regiment, a Chinook battalion from Fort Hood. Other corps units also provided humanitarian support for Operation Restore Hope in Somalia. III Corps elements supported Operation Joint Endeavor in Bosnia and Herzegovina as well.[17]

It was after the Cold War that III Corps was acclimated to the role of primary counteroffensive force for the US Army. With the downsizing of other major Army formations, III Corps gained command of heavier units, including the 1st Cavalry Division while the XVIII Airborne Corps took charge of rapid-deployment for emergency contingencies, including the 101st Airborne Division and 82nd Airborne Division. III Corps took charge of the heavy units designed for large, conventional offensive actions.[2]

Twenty-first century

In 2001, the corps was composed of the 1st Cavalry Division and the 4th Infantry Division as well as the 3rd Armored Cavalry Regiment and the 13th Corps Support Command.[1] However, with realignment of the US Army and the return of several formations from Europe, the corps took command of the 1st Infantry Division and the 1st Armored Division as well, both of these units having been transferred from V Corps in Germany.

The corps headquarters saw its first combat deployment since the Second World War in 2004, when it deployed to Iraq for Operation Iraqi Freedom. There, III Corps headquarters assumed duties as Headquarters Multi-National Corps - Iraq, relieving V Corps. III Corps served as the administrative command for 2,500 soldiers of the Multi-National Force Iraq command element, providing operational direction into 2005, when it was returned to Fort Hood, relieved by XVIII Airborne Corps.[28] III Corps has for many years participated in an exchange program which sees a Canadian Army officer appointed as a deputy commanding general. Notably, Peter Devlin deployed with the corps to Iraq in 2005.

III Corps Artillery was inactivated on 8 September 2006. Henceforth the field artillery brigades, soon to become Fires Brigades, would be assigned to the corps and division headquarters directly.

President Barack Obama speaks outside of III Corps headquarters, Fort Hood, Texas

In 2007, the corps returned to Iraq for a second time to serve as commanding headquarters for Multi-National Corps Iraq. During this 15-month deployment, the corps took command of the force at its largest with Iraq War troop surge. The corps conducted a similar mission to its first deployment, focusing on providing personnel management, training, communications, convoy escort, and other duties to support the commanding elements of Multi-National Force Iraq. III Corps fulfilled this mission until February 2008, when it returned home, again relieved by XVIII Airborne Corps.[29]

In 2009, the corps began a number of training initiatives with the Republic of Korea Army. These included Operation Key Resolve, a command post exercise simulating major, high intensity combat operations. The exercises were held in Yongin, South Korea. These operations were designed to keep the corps familiar with commanding during large-scale conventional warfare, as opposed to counter-insurgency tactics it employed during its two tours in Iraq.[30] Upon return to the United States, the corps conducted similar exercises at Fort Hood.[31]

On 5 November 2009, a gunman opened fire in the Soldier Readiness Center of Fort Hood, killing 13 people and wounding 30 others. Nidal Malik Hasan, a Muslim U.S. Army major and psychiatrist, was alleged to be the gunman. He was felled and then arrested by civilian police officers Sergeant Mark Todd & Sergeant Kimberly Munley. Much of the subsequent investigation was handled by III Corps, as the soldiers killed were under the corps' chain of command.[32][33][34]

III Corps, commanded by LTG Robert W. Cone, assumed its final Iraq mission from I Corps from Joint Base Lewis-McChord, Washington in February 2010. As the core element of United States Forces – Iraq headquarters, III Corps oversaw a theater-wide transition from full-spectrum operations to stability operations. The corps changed the counterinsurgency (COIN) fight dynamic from partnered combat operations, led by brigade combat teams, to training, advising, and assisting operations, led by brigades organized as advise and assist brigades. The corps also completed the transition to complete Iraqi lead for security operations. During the deployment, III Corps reduced the amount of aviation assets in Iraq, resulting in one enhanced combat aviation brigade with six maneuver battalions having responsibility for the entire joint operations area. III Corps also oversaw the reduction of the force in Iraq from 110,000 to 50,000 U.S. personnel by Sept. 1, 2010, which established the conditions for the end of Operation Iraqi Freedom and the transition to Operation New Dawn. XVIII Airborne Corps from Fort Bragg, North Carolina, assumed the Iraq follow-on mission from III Corps in February 2011.

The corps saw its first action in Afghanistan when it deployed to Kabul in early April 2013. The corps, under the command of LTG Mark A. Milley, replaced the U.S. V Corps from Stuttgart, Germany, in May 2013 and assumed the mission of the International Security Assistance Force (ISAF) Joint Command, or IJC, which was responsible for day-to-day operations throughout Afghanistan. During the corps' deployment, IJC oversaw Milestone 13/Tranche 5 ceremony on June 18, 2013, which marked the official transition of full responsibility for nationwide security operations from ISAF to the Afghan National Security Forces (ANSF). After the Milestone 13 ceremony, IJC transitioned from Coalition-led combat operations to Afghan-led combat operations and Coalition forces providing training, advice, and assistance. The ANSF, officially less than three years old, reached its peak of more than 350,000 members and conducted more than 70 major operations in more than 22 provinces. In November 2013, IJC forces provided technical support to the ANSF as it secured the Loya Jirga, a country-wide gathering of Afghan local leaders and officials, in Kabul. The Loya Jirga successfully laid the groundwork for a U.S.-Afghanistan Bilateral Security Agreement. During the deployment, III Corps also oversaw the drawdown of U.S. forces from more than 80,000 to 34,000 by Feb. 1, 2014. XVIII Airborne Corps from Fort Bragg, North Carolina, assumed the ISAF Joint Command mission from III Corps in March 2014..

Organization

III US Corps 1989
Order of Battle of III Corps (click to enlarge)

III Corps, Fort Hood

Other major units stationed along the III Corps units are:

Honors

The corps received five campaign streamers in World War I and four campaign streamers in World War II.[18] It also received two campaign streamers and two unit awards during the War on Terrorism.[35]

Unit decorations

Ribbon Award Year Notes
Meritorious Unit Commendation (Army) 2004–2005 for service in Central Asia
Meritorious Unit Commendation (Army) 2007–2008 for service in Central Asia
Meritorious Unit Commendation (Army) 2010–2011 for service in Central Asia

Campaign streamers

Conflict Streamer Year(s)
World War I Aisne-Marne 1918
World War I Oise-Marne 1918
World War I Meuse-Argonne 1918
World War I Champagne 1918
World War I Lorraine 1918
World War II Normandy 1944
World War II Northern France 1944
World War II Rhineland 1945
World War II Central Europe 1945
Operation Iraqi Freedom Iraq 2004–05
Operation Iraqi Freedom Iraq 2007–08
Operation Iraqi Freedom Iraq 2009–10
Operation New Dawn Iraq 2010–11

References

  1. 1 2 3 4 "Fort Hood Fact Sheet: III Corps" (PDF). Fort Hood Public Affairs Office. Retrieved 25 November 2009.
  2. 1 2 "III Corps". GlobalSecurity.org. Retrieved 25 November 2009.
  3. ↑ Graham-Ashley, Heather (December 20, 2012). "III Corps' new commander views road ahead, training, support". www.Army.mil.
  4. 1 2 3 4 5 6 7 Wilson, p. 53.
  5. ↑ Stewart, p. 35.
  6. ↑ Stewart, p. 37.
  7. ↑ Stewart, p. 38.
  8. ↑ Stewart, p. 39.
  9. ↑ Stewart, p. 40.
  10. ↑ Stewart, p. 44.
  11. ↑ Stewart, p. 45
  12. ↑ Stewart, p. 48.
  13. ↑ Stewart, p. 49.
  14. 1 2 "The Institute of Heraldry: III Corps". The Institute of Heraldry. Archived from the original on 13 November 2009. Retrieved 18 November 2009.
  15. 1 2 3 4 5 6 7 8 9 10 11 12 "GlobalSecurity.org: III Corps History". GlobalSecurity. Retrieved 25 November 2009.
  16. ↑ Stewart, p. 67.
  17. 1 2 3 4 "History of Fort Hood". Fort Hood Public Affairs Office. Retrieved 25 November 2009.
  18. 1 2 Wilson, p. 54.
  19. ↑ Axelrod, p. 145.
  20. ↑ Axelrod, p. 147.
  21. ↑ Axelrod, p. 148.
  22. ↑ Axelrod, p. 149.
  23. ↑ Stewart, p. 156.
  24. ↑ Axelrod, p. 150.
  25. ↑ "III Corps Opened at Fort Hood". Fort Hood Sentinel. Retrieved 25 November 2009.
  26. ↑ "Fort Hood gets heavy". Fort Hood Sentinel. Retrieved 25 November 2009.
  27. ↑ Isby, David C. and Charles Kamps Jr., Armies of NATO's Central Front, JAne's Publishing Company, 1985, 377.
  28. ↑ "9 Jan. 2004 Speech by Gov. Rick Perry". Office of Rick Perry. Retrieved 25 November 2009.
  29. ↑ "Transfer of Authority: XVIII Airborne Corps Special Troops Battalion takes the lead from III Corps' Task Force Phantom". United States Army. Retrieved 25 November 2009.
  30. ↑ "Phantom Warriors transition from Key Resolve to Unified Endeavor". United States Army. Retrieved 26 November 2009.
  31. ↑ "Full-spectrum capability key for III Corps". United States Army. Retrieved 26 November 2009.
  32. ↑ Fort Hood Shooting by Army Doctor Nidal Malik Hasan Leaves 12 Dead - ABC News
  33. ↑ "Deadly shootings at US army base". BBC News. 6 November 2009. Retrieved 5 May 2010.
  34. ↑ Root, Jay (Associated Press), "Officer Gives Account Of The Firefight At Fort Hood", Arizona Republic, 8 November 2009.
  35. ↑ "War on Terrorism Awards". United States Army Center of Military History. Retrieved 26 November 2009.

Sources

External links

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