List of corps of the United States
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corps Corps (; plural ''corps'' ; from French , from the Latin "body") is a term used for several different kinds of organization. A military innovation by Napoleon I, the formation was first named as such in 1805. The size of a corps varies great ...
of the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
and Confederate States armies and the
United States Marine Corps The United States Marine Corps (USMC), also referred to as the United States Marines, is the maritime land force service branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations through combi ...
.


Active corps

, there are five active Army corps. *
I Corps I Corps, 1st Corps, or First Corps may refer to: France * 1st Army Corps (France) * I Cavalry Corps (Grande Armée), a cavalry unit of the Imperial French Army during the Napoleonic Wars * I Corps (Grande Armée), a unit of the Imperial French A ...
*
III Corps 3rd Corps, Third Corps, III Corps, or 3rd Army Corps may refer to: France * 3rd Army Corps (France) * III Cavalry Corps (Grande Armée), a cavalry unit of the Imperial French Army during the Napoleonic Wars * III Corps (Grande Armée), a unit of th ...
*
V Corps 5th Corps, Fifth Corps, or V Corps may refer to: France * 5th Army Corps (France) * V Cavalry Corps (Grande Armée), a cavalry unit of the Imperial French Army during the Napoleonic Wars * V Corps (Grande Armée), a unit of the Imperial French Ar ...
*
XVIII Airborne Corps The XVIII Airborne Corps is a corps of the United States Army that has been in existence since 1942 and saw extensive service during World War II. The corps is designed for rapid deployment anywhere in the world and is referred to as "America ...
*
U.S. Army Corps of Engineers , colors = , anniversaries = 16 June (Organization Day) , battles = , battles_label = Wars , website = , commander1 = ...


Former corps of the World War/Cold War/Gulf War eras

* I Armored Corps *
II Corps 2nd Corps, Second Corps, or II Corps may refer to: France * 2nd Army Corps (France) * II Cavalry Corps (Grande Armée), a cavalry unit of the Imperial French Army during the Napoleonic Wars * II Corps (Grande Armée), a unit of the Imperial French ...
* II Armored Corps *
III Armored Corps III Corps or III Armored 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 a ...
* IV Corps *
IV Armored Corps IV may refer to: Businesses and organizations *Immigration Voice, an activist organization *Industrievereinigung, Federation of Austrian Industry *Intellectual Ventures, a privately held intellectual property company *InterVarsity Christian Fellow ...
*
VI Corps 6 Corps, 6th Corps, Sixth Corps, or VI Corps may refer to: France * VI Cavalry Corps (Grande Armée), a cavalry formation of the Imperial French army during the Napoleonic Wars * VI Corps (Grande Armée), a formation of the Imperial French army du ...
*
VII Corps 7th Corps, Seventh Corps, or VII Corps may refer to: * VII Corps (Grande Armée), a corps of the Imperial French army during the Napoleonic Wars * VII Corps (German Empire), a unit of the Imperial German Army prior to and during World War I * VII ...
*
VIII Corps 8th Corps, Eighth Corps, or VIII Corps may refer to: * VIII Corps (Grande Armée), a unit of the Imperial French army during the Napoleonic Wars * VIII Army Corps (German Confederation) * VIII Corps (German Empire), a unit of the Imperial German Ar ...
*
IX Corps 9 Corps, 9th Corps, Ninth Corps, or IX Corps may refer to: France * 9th Army Corps (France) * IX Corps (Grande Armée), a unit of the Imperial French Army during the Napoleonic Wars Germany * IX Corps (German Empire), a unit of the Imperial Germ ...
*
X Corps 10th Corps, Tenth Corps, or X Corps may refer to: France * 10th Army Corps (France) * X Corps (Grande Armée), a unit of the Imperial French Army during the Napoleonic Wars Germany * X Corps (German Empire), a unit of the Imperial German Army * ...
*
XI Corps 11 Corps, 11th Corps, Eleventh Corps, or XI Corps may refer to: * 11th Army Corps (France) * XI Corps (Grande Armée), a unit of the Imperial French Army during the Napoleonic Wars * XI Corps (German Empire), a unit of the Imperial German Army * ...
*
XII Corps 12th Corps, Twelfth Corps, or XII Corps may refer to: * 12th Army Corps (France) * XII Corps (Grande Armée), a corps of the Imperial French Army during the Napoleonic Wars * XII (1st Royal Saxon) Corps, a unit of the Imperial German Army * XII ...
* XIII Corps *
XIV Corps 14 Corps, 14th Corps, Fourteenth Corps, or XIV Corps may refer to: * XIV Corps (Grande Armée), a unit of the Imperial French Army during the Napoleonic Wars * XIV Corps (German Empire), a unit of the Imperial German Army prior to and during World ...
*
XV Corps 15th Corps, Fifteenth Corps, or XV Corps may refer to: *XV Corps (British India) * XV Corps (German Empire), a unit of the Imperial German Army prior to and during World War I * 15th Army Corps (Russian Empire), a unit in World War I *XV Royal Bav ...
* XVI Corps * XIX Corps * XX Corps * XXI Corps * XXII Corps * XXIII Corps * XXIV Corps * XXXIII Corps – World War II – see
Fourteenth United States Army Fourteenth United States Army was a fictitious/military deception field army, under the command of John P. Lucas, developed under Operation Quicksilver as a part of the fictitious First United States Army Group. Alleged composition As part of a ...
* XXXV Airborne Corps – World War II deception formation – see
Operation Pastel During World War II, Operation Pastel was the deception plan scheduled to protect Operation Olympic, the planned invasion of southern Japan. Pastel would have falsely portrayed a threat of an American-led invasion against ports in China via at ...
* XXXVI Corps (1944–1945) * U.S. XXXVII Corps- World War II – see
Fourteenth United States Army Fourteenth United States Army was a fictitious/military deception field army, under the command of John P. Lucas, developed under Operation Quicksilver as a part of the fictitious First United States Army Group. Alleged composition As part of a ...


World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
U.S. Marine Corps corps

*
I Marine Amphibious Corps The I Marine Amphibious Corps, or I MAC, was a formation of the United States Marine Corps. It was created on 1 October 1942, with most of the staff transferred from Amphibious Corps, Pacific Fleet (ACPF). It was then deployed to the South Pacific ...
*
III Amphibious Corps III Marine Expeditionary Force (III MEF) is a formation of the Marine Air-Ground Task Force of the United States Marine Corps. It is forward-deployed and able to rapidly conduct operations across the spectrum from humanitarian assistance and d ...
*
V Amphibious Corps The V Amphibious Corps (VAC) was a formation of the United States Marine Corps which was composed of the 3rd, 4th and 5th Marine Divisions in World War II. The three divisions were the amphibious landing force for the United States Fifth Fleet ...


Spanish–American War , partof = the Philippine Revolution, the decolonization of the Americas, and the Cuban War of Independence , image = Collage infobox for Spanish-American War.jpg , image_size = 300px , caption = (clock ...
corps

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First Army Corps (Spanish–American War) The First Army Corps was a unit of the United States Army raised for the Spanish–American War. As relations between Spain and the United States deteriorated in the spring of 1898, the leaders of the U.S. Army began to plan for its first large-s ...
*
Second Army Corps (Spanish–American War) The Second Army Corps was a unit of the United States Army raised for the Spanish–American War. A defining event of the Spanish–American War was the typhoid fever epidemic of July to November 1898. The Army consequently undertook a series of ...
*
Third Army Corps (Spanish–American War) The Third Army Corps was a unit of the United States Army raised for the Spanish–American War. After the declaration of war, General Order 36 of May 7, 1898 approved the organization of eight "army corps," each of which was to consist of three o ...
*
Fourth Army Corps (Spanish–American War) The Fourth Army Corps was a unit of the United States Army raised for the Spanish–American War. After the declaration of war, General Order 36 of May 7, 1898 approved the organization of eight "army corps," each of which was to consist of three ...
*
Fifth Army Corps (Spanish–American War) The Fifth Army Corps was a formation of the United States Army raised for the Spanish–American War, and noted chiefly for its victory in the Siege of Santiago, which led to the general collapse of the Spanish war effort. Assembly and Formatio ...
*
Sixth Army Corps (Spanish–American War) The Sixth Army Corps was a unit of the United States Army authorized during the Spanish–American War, but which was never organized. After the declaration of war, General Order 36 of May 7, 1898 approved the organization of eight "army corps," e ...
*
Seventh Army Corps (Spanish–American War) The Seventh Army Corps was a unit of the United States Army raised for the Spanish–American War. After the declaration of war, General Order 36 of May 7, 1898 defined the organization of eight "army corps," each of which was to consist of three ...
*
Eighth Army Corps (Spanish–American War) The Eighth Army Corps was formed on June 21, 1898, shortly after the outbreak of the Spanish–American War, in order to provide a ground contingent to exploit Commodore George Dewey's success in defeating the Spanish fleet in Manila Bay on May 1, ...


Civil War A civil war or intrastate war is a war between organized groups within the same state (or country). The aim of one side may be to take control of the country or a region, to achieve independence for a region, or to change government policies ...
Union Army corps

*
I Corps I Corps, 1st Corps, or First Corps may refer to: France * 1st Army Corps (France) * I Cavalry Corps (Grande Armée), a cavalry unit of the Imperial French Army during the Napoleonic Wars * I Corps (Grande Armée), a unit of the Imperial French A ...
*
II Corps 2nd Corps, Second Corps, or II Corps may refer to: France * 2nd Army Corps (France) * II Cavalry Corps (Grande Armée), a cavalry unit of the Imperial French Army during the Napoleonic Wars * II Corps (Grande Armée), a unit of the Imperial French ...
*
III Corps 3rd Corps, Third Corps, III Corps, or 3rd Army Corps may refer to: France * 3rd Army Corps (France) * III Cavalry Corps (Grande Armée), a cavalry unit of the Imperial French Army during the Napoleonic Wars * III Corps (Grande Armée), a unit of th ...
* IV Corps *
V Corps 5th Corps, Fifth Corps, or V Corps may refer to: France * 5th Army Corps (France) * V Cavalry Corps (Grande Armée), a cavalry unit of the Imperial French Army during the Napoleonic Wars * V Corps (Grande Armée), a unit of the Imperial French Ar ...
*
VI Corps 6 Corps, 6th Corps, Sixth Corps, or VI Corps may refer to: France * VI Cavalry Corps (Grande Armée), a cavalry formation of the Imperial French army during the Napoleonic Wars * VI Corps (Grande Armée), a formation of the Imperial French army du ...
*
VII Corps 7th Corps, Seventh Corps, or VII Corps may refer to: * VII Corps (Grande Armée), a corps of the Imperial French army during the Napoleonic Wars * VII Corps (German Empire), a unit of the Imperial German Army prior to and during World War I * VII ...
*
VIII Corps 8th Corps, Eighth Corps, or VIII Corps may refer to: * VIII Corps (Grande Armée), a unit of the Imperial French army during the Napoleonic Wars * VIII Army Corps (German Confederation) * VIII Corps (German Empire), a unit of the Imperial German Ar ...
*
IX Corps 9 Corps, 9th Corps, Ninth Corps, or IX Corps may refer to: France * 9th Army Corps (France) * IX Corps (Grande Armée), a unit of the Imperial French Army during the Napoleonic Wars Germany * IX Corps (German Empire), a unit of the Imperial Germ ...
*
X Corps 10th Corps, Tenth Corps, or X Corps may refer to: France * 10th Army Corps (France) * X Corps (Grande Armée), a unit of the Imperial French Army during the Napoleonic Wars Germany * X Corps (German Empire), a unit of the Imperial German Army * ...
*
XI Corps 11 Corps, 11th Corps, Eleventh Corps, or XI Corps may refer to: * 11th Army Corps (France) * XI Corps (Grande Armée), a unit of the Imperial French Army during the Napoleonic Wars * XI Corps (German Empire), a unit of the Imperial German Army * ...
*
XII Corps 12th Corps, Twelfth Corps, or XII Corps may refer to: * 12th Army Corps (France) * XII Corps (Grande Armée), a corps of the Imperial French Army during the Napoleonic Wars * XII (1st Royal Saxon) Corps, a unit of the Imperial German Army * XII ...
* XIII Corps *
XIV Corps 14 Corps, 14th Corps, Fourteenth Corps, or XIV Corps may refer to: * XIV Corps (Grande Armée), a unit of the Imperial French Army during the Napoleonic Wars * XIV Corps (German Empire), a unit of the Imperial German Army prior to and during World ...
*
XV Corps 15th Corps, Fifteenth Corps, or XV Corps may refer to: *XV Corps (British India) * XV Corps (German Empire), a unit of the Imperial German Army prior to and during World War I * 15th Army Corps (Russian Empire), a unit in World War I *XV Royal Bav ...
* XVI Corps * XVII Corps * XVIII Corps * XIX Corps * XX Corps * XXI Corps * XXII Corps * XXIII Corps * XXIV Corps * XXV Corps * Cavalry Corps


Confederate States Army corps

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First Corps, Army of the Mississippi First or 1st is the ordinal form of the number 1 (number), one (#1). First or 1st may also refer to: *World record, specifically the first instance of a particular achievement Arts and media Music * 1$T, American rapper, singer-songwriter, D ...
* Second Corps, Army of the Mississippi *
Third Corps, Army of the Mississippi Third or 3rd may refer to: Numbers * 3rd, the ordinal form of the cardinal number 3 * , a fraction of one third * Second#Sexagesimal divisions of calendar time and day, 1⁄60 of a ''second'', or 1⁄3600 of a ''minute'' Places * 3rd Street (d ...
*
First Corps, Army of Northern Virginia The First Corps, Army of Northern Virginia (or Longstreet's Corps) was a military unit fighting for the Confederate States of America in the American Civil War. It was formed in early 1861 and served until the spring of 1865, mostly in the Easte ...
*
Second Corps, Army of Northern Virginia The Second Corps of the Army of Northern Virginia was a military organization within the Confederate Army of Northern Virginia during much of the American Civil War. It was officially created and named following the Battle of Sharpsburg in 1862, b ...
*
Third Corps, Army of Northern Virginia The Third Corps, Army of Northern Virginia was a unit of the Provisional Army of the Confederate States. Formation After the death of Lt. General Thomas J. Jackson at the Battle of Chancellorsville, Robert E. Lee reorganized his army from two ...
*
Fourth Corps, Army of Northern Virginia The Fourth Corps was a military unit formed in October 1864 within the Army of Northern Virginia of the Confederate Army.Dupuy, p. 40. It fought for the Confederate States of America during the late stages of the American Civil War. The corps was ...
*
Cavalry Corps, Army of Northern Virginia The Cavalry Corps of the Army of Northern Virginia was an organized unit of cavalry in the Confederate Army during the American Civil War. Starting out as a brigade in late 1861, becoming a division in 1862 and finally a Corps in 1863; it served ...
* First Corps, Army of the Potomac * Second Corps, Army of the Potomac *
First Corps, Army of Tennessee The First Corps, Army of Tennessee, commonly known as Polk's Corps, Cheatham's Corps, or Hardee's Corps, was a corps of the Army of Tennessee. Formation Units of the First Corps, Army of Tennessee, were drawn from the organization of Department ...
*
Second Corps, Army of Tennessee {{Infobox military unit , unit_name = Second Corps, Army of Tennessee , image = , caption = Battle Flag under Bragg (left)Battle Flag under Breckinridge (right) , dates = April 1862 – April 26, 1865 , country = {{Flag, Conf ...


Notes


References

{{reflist
Corps Corps (; plural ''corps'' ; from French , from the Latin "body") is a term used for several different kinds of organization. A military innovation by Napoleon I, the formation was first named as such in 1805. The size of a corps varies great ...
*