The II Corps was a

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 ...

-sized formation of the

United States Army The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, ...

that was active in both

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ...

and

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 World War II by country, vast majority of the world's countries—including all of the great power ...

. It was originally formed and fought on the

Western Front Western Front or West Front may refer to: Military frontiers * Western Front (World War I), a military frontier to the west of Germany *Western Front (World War II), a military frontier to the west of Germany *Western Front (Russian Empire), a maj ...

during World War I and was also the first American formation of any size to see combat in

North Africa North Africa, or Northern Africa is a region encompassing the northern portion of the African continent. There is no singularly accepted scope for the region, and it is sometimes defined as stretching from the Atlantic shores of Mauritania in ...

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...

during World War II.

History

World War I

II Corps was organized on 24 February 1918. Initially it consisted of the 27th, 30th, 33rd, 78th and 80th Divisions. In June 1918, the individual divisions of II Corps, which was commanded by Major General George W. Read, were assigned to British and Australian corps for familiarization training. On the 4th of July, when elements of the 33rd Division (Major General

George Bell Jr. Major General George Bell Jr. (January 22, 1859 – October 29, 1926) was a United States Army officer who is most notable for commanding the 33rd Division, an Army National Guard formation, during the final year of World War I. Early life an ...

) took part in the

Battle of Hamel The Battle of Hamel was a successful attack by Australian Army and US Army infantry, supported by British tanks, against German positions in and around the town of Le Hamel, in northern France, during World War I. The attack was planned and co ...

, while attached to the

Australian Corps The Australian Corps was a World War I army corps that contained all five Australian infantry divisions serving on the Western Front. It was the largest corps fielded by the British Empire in France. At its peak the Australian Corps numbered 10 ...

. (The Australian commander, General Sir

John Monash General Sir John Monash, (; 27 June 1865 – 8 October 1931) was an Australian civil engineer and military commander of the First World War. He commanded the 13th Infantry Brigade before the war and then, shortly after its outbreak, became c ...

, was said to have deliberately chosen the date as a gesture and motivator to the American infantry attached to his corps.) Individual platoons, from four companies of the 131st Infantry and 132nd Infantry, were distributed among Australian battalions, to gain combat experience. This, however, occurred without official approval as there was controversy regarding the battlefield command of US troops by junior officers from other countries. Thus, while Hamel was a relatively minor battle by the standards of World War I, it was historically significant as the first major offensive operation during the war to involve US infantry, the first occasion on which US units fought alongside British Empire forces, and a demonstration that the previously inexperienced American troops could play an effective role in the war. The battle was also historically significant for the use of innovative assault tactics, devised by the Australian general John Monash, were demonstrated. As a result of Pershing's dissatisfaction with the use of US troops the 78th, and 80th Divisions were reassigned and on 23 August 1918 the 33rd Division was moved to the Toul sector. This left just the 27th and 30th Divisions in II US Corps assigned to support the British Expeditionary Force if required. The Divisional artillery brigades of these divisions were also removed and on operations these divisions were supported by Australian or British artillery. It first saw significant action in Europe in August 1918, in the

Hundred Days Offensive The Hundred Days Offensive (8 August to 11 November 1918) was a series of massive Allies of World War I, Allied offensives that ended the First World War. Beginning with the Battle of Amiens (1918), Battle of Amiens (8–12 August) on the Wester ...

, as part of the

British Third Army The Third Army was a field army of the British Army during World War I that saw active service on the Western Front throughout the war. First World War The Third Army was part of the British Army during World War I and was formed in France on 13 ...

. The 33rd Division was in reserve behind the British 4th Army at the opening of the August offensive. With the British III Corps attack stalling on the Chipilly Spur feature the 131st Regiment of the 33rd Division was sent to assist on 9 August, which it did with distinction. The following day the Regiment was attached to the 4th Australian Division and remained there until 12 August. From 12 August until 20 August it was combined with the 13th Australian Brigade in what was called the Liaison Force commanded by Brigadier General E A Wisdom. This was designed to hold the front from the Somme to the Bray-Sur-Somme-Corbie road to relieve the 4th Australian Division from the operation. After this it returned to the 33rd US Division. Advances made during a secondary assault by the

( Battle of Albert) on 21–23 August, were exploited by the Allies in the

Second Battle of the Somme The Second Battle of the Somme of 1918 was fought during the First World War on the Western Front from late August to early September, in the basin of the River Somme. It was part of a series of successful counter-offensives in response to th ...

. This pushed the German 2nd Army back along a

front line A front line (alternatively front-line or frontline) in military terminology is the position(s) closest to the area of conflict of an armed force's personnel and equipment, usually referring to land forces. When a front (an intentional or unin ...

. British and US units advanced on

Arras Arras ( , ; pcd, Aro; historical nl, Atrecht ) is the prefecture of the Pas-de-Calais department, which forms part of the region of Hauts-de-France; before the reorganization of 2014 it was in Nord-Pas-de-Calais. The historic centre of ...

. On 29 August,

Bapaume Bapaume (original Dutch name Batpalmen) is a commune in the Pas-de-Calais department in the Hauts-de-France region of northern France. The inhabitants of this commune are known as ''Bapalmois'' or ''Bapalmoises''. Geography Bapaume is a far ...

fell to the New Zealand Division and other elements of the British IV Corps. This allowed the Australian Corps to cross the

Somme River The Somme ( , , ) is a river in Picardy, northern France. The river is in length, from its source in the high ground of the former at Fonsomme near Saint-Quentin, to the Bay of the Somme, in the English Channel. It lies in the geolog ...

on 31 August and break the

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...

lines in the Battle of Mont St. Quentin.Yockelson. During late September 1918, with two

Army National Guard The Army National Guard (ARNG), in conjunction with the Air National Guard, is an organized militia force and a federal military reserve force of the United States Army. They are simultaneously part of two different organizations: the Army N ...

Divisions ( 27th and 30th, less their artillery) under command, II Corps was attached to the Australian Corps as part of

British Fourth Army The Fourth Army was a field army that formed part of the British Expeditionary Force during the First World War. The Fourth Army was formed on 5 February 1916 under the command of General Sir Henry Rawlinson to carry out the main British contri ...

. The Corps was involved in the

Battle of St Quentin Canal The Battle of St. Quentin Canal was a pivotal battle of World War I that began on 29 September 1918 and involved British, Australian and American forces operating as part of the British Fourth Army under the overall command of General Sir Hen ...

, during which it suffered heavy losses. The II Corps HQ took over the front from 6 October 1918 relieving the Australian Corps. It in turn was relieved in the line on 20 October by the IX British Corps. Its Organisation for this phase was: 27th Division, 30th Division, 301 US Tank Battalion (Mk V tanks) Attached troops 3 Squadron Australian Flying Corps, VII Corps RA (British), VII Corps HA (British), 4th Tank Bde (British), 1st Tank Bn (Mark V Star), 4th Tank Bn (Mark V). The 301 US Tank battalion remained in support of the British 1st and 6th Divisions until 25 October. II Corps was demobilized 1 February 1919.

Interwar years

As part of the National Defense Act of 1920, II Corps was constituted as a unit of the National Guard on 29 Jul 1921. On 15 August 1927 with a subsequent reorganization of the Army, the corps was constituted as a corps in the Regular Army. In preparation for the expansion of the Army, it was activated at

Fort Jay Fort Jay is a coastal bastion fort and the name of a former United States Army post on Governors Island in New York Harbor, within New York City. Fort Jay is the oldest existing defensive structure on the island, and was named for John Jay, a memb ...

, New York as a fully functioning combat unit on 1 August 1940.

World War II

Six months after the

Japanese Japanese may refer to: * Something from or related to Japan, an island country in East Asia * Japanese language, spoken mainly in Japan * Japanese people, the ethnic group that identifies with Japan through ancestry or culture ** Japanese diaspor ...

attack on Pearl Harbor The attack on Pearl HarborAlso known as the Battle of Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii ...

and the American entry into

, II Corps was sent to

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe ...

in June 1942, under the command of

Major General Major general (abbreviated MG, maj. gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of ...

Mark W. Clark Mark Wayne Clark (May 1, 1896 – April 17, 1984) was a United States Army officer who saw service during World War I, World War II, and the Korean War. He was the youngest four-star general in the US Army during World War II. During World War I ...

. In November, now under Major General

Lloyd Fredendall Lieutenant General Lloyd Ralston Fredendall (December 28, 1883 – October 4, 1963) was a senior officer of the United States Army who served during World War II. He is best known for his leadership failure during the Battle of Kasserine Pass ...

, II Corps landed in

Oran Oran ( ar, وَهران, Wahrān) is a major coastal city located in the north-west of Algeria. It is considered the second most important city of Algeria after the capital Algiers, due to its population and commercial, industrial, and cultural ...

as part of

Operation Torch Operation Torch (8 November 1942 – 16 November 1942) was an Allied invasion of French North Africa during the Second World War. Torch was a compromise operation that met the British objective of securing victory in North Africa while al ...

, the Allied invasion of

French North Africa French North Africa (french: Afrique du Nord française, sometimes abbreviated to ANF) is the term often applied to the territories controlled by France in the North African Maghreb during the colonial era, namely Algeria, Morocco and Tunisia. I ...

. After initially making good headway against German forces during the

Tunisia Campaign The Tunisian campaign (also known as the Battle of Tunisia) was a series of battles that took place in Tunisia during the North African campaign of the Second World War, between Axis and Allied forces from 17 November 1942 to 13 May 1943. Th ...

, II Corps was defeated by German troops under

Hans-Jürgen von Arnim Hans-Jürgen Bernard Theodor von Arnim (; 4 April 1889 – 1 September 1962) was a German general in the Nazi Wehrmacht during World War II who commanded several armies. He was a recipient of the Knight's Cross of the Iron Cross. Early life ...

at the Battle of Sidi Bou Zid. II Corps was again decisively defeated in February 1943 during the

Battle of Kasserine Pass The Battle of Kasserine Pass was a series of battles of the Tunisian campaign of World War II that took place in February 1943 at Kasserine Pass, a gap in the Grand Dorsal chain of the Atlas Mountains in west central Tunisia. The Axis forces, ...

by veteran troops under ''

Generalfeldmarschall ''Generalfeldmarschall'' (from Old High German ''marahscalc'', "marshal, stable master, groom"; en, general field marshal, field marshal general, or field marshal; ; often abbreviated to ''Feldmarschall'') was a rank in the armies of several ...

Erwin Rommel Johannes Erwin Eugen Rommel () (15 November 1891 – 14 October 1944) was a German field marshal during World War II. Popularly known as the Desert Fox (, ), he served in the ''Wehrmacht'' (armed forces) of Nazi Germany, as well as servi ...

. The defeats were compounded by American inexperience, poor senior leadership, and lack of armor comparable to that in the German panzer forces, as well as the highly effective German high-velocity 88 mm anti-tank guns, which were used in screening tactics to destroy American tanks lured into pursuit of German armored forces In March 1943, after a change of command to Major General

George Patton George Smith Patton Jr. (November 11, 1885 – December 21, 1945) was a general in the United States Army who commanded the Seventh United States Army in the Mediterranean Theater of World War II, and the Third United States Army in France ...

, II Corps recovered its cohesion and fought well for the rest of the Tunisia Campaign, winning the

Battle of El Guettar The Battle of El Guettar was a battle that took place during the Tunisia Campaign of World War II, fought between elements of the Army Group Africa under General Hans-Jürgen von Arnim, along with Italian First Army under General Giovanni M ...

. II Corps held the southern flank of the

British First Army The First Army was a formation of the British Army that existed during the First and Second World Wars. The First Army included Indian and Portuguese forces during the First World War and American and French units during the Second World War. F ...

during the destruction of the remaining

Axis An axis (plural ''axes'') is an imaginary line around which an object rotates or is symmetrical. Axis may also refer to: Mathematics * Axis of rotation: see rotation around a fixed axis * Axis (mathematics), a designator for a Cartesian-coordinat ...

forces in North Africa. The war in North Africa ended in May 1943 with almost 250,000 Axis soldiers surrendering, to become

prisoners of war A prisoner of war (POW) is a person who is held captive by a belligerent power during or immediately after an armed conflict. The earliest recorded usage of the phrase "prisoner of war" dates back to 1610. Belligerents hold prisoners of w ...

. On 10 July 1943, II Corps, commanded now by Major General

Omar Bradley Omar Nelson Bradley (February 12, 1893April 8, 1981) was a senior officer of the United States Army during and after World War II, rising to the rank of General of the Army. Bradley was the first chairman of the Joint Chiefs of Staff and over ...

, took part in the

amphibious Amphibious means able to use either land or water. In particular it may refer to: Animals * Amphibian, a vertebrate animal of the class Amphibia (many of which live on land and breed in water) * Amphibious caterpillar * Amphibious fish, a fish ...

invasion of Sicily The Allied invasion of Sicily, also known as Operation Husky, was a major campaign of World War II in which the Allied forces invaded the island of Sicily in July 1943 and took it from the Axis powers ( Fascist Italy and Nazi Germany). It bega ...

(codenamed

Operation Husky Operation or Operations may refer to: Arts, entertainment and media * ''Operation'' (game), a battery-operated board game that challenges dexterity * Operation (music), a term used in musical set theory * ''Operations'' (magazine), Multi-Ma ...

) under command of the

U.S. Seventh Army The Seventh Army was a United States army created during World War II that evolved into the United States Army Europe (USAREUR) during the 1950s and 1960s. It served in North Africa and Italy in the Mediterranean Theater of Operations and Fra ...

. It played a key part in the liberation of the western part of the island. The corps consisted of the 1st Infantry Division (United States),

3rd Third or 3rd may refer to: Numbers * 3rd, the ordinal form of the cardinal number 3 * , a fraction of one third * 1⁄60 of a ''second'', or 1⁄3600 of a ''minute'' Places * 3rd Street (disambiguation) * Third Avenue (disambiguation) * H ...

, 9th, and 45th Infantry Divisions. The Allied campaign in Sicily came to an end after 38 days. Now under Major General Geoffrey Keyes, II Corps was sent to the Italian Front, arriving in mid-November as part of the

U.S. Fifth Army The United States Army North (ARNORTH) is a formation of the United States Army. An Army Service Component Command (ASCC) subordinate to United States Northern Command (NORTHCOM), ARNORTH is the joint force land component of NORTHCOM.

, where it was to serve for the rest of the conflict, participating in grueling

mountain warfare Mountain warfare (also known as alpine warfare) is warfare in mountains or similarly rough terrain. Mountain ranges are of strategic importance since they often act as a natural border, and may also be the origin of a water source (for example, ...

and often experienced fighting in terrible weather conditions. Soon after arrival, II Corps took the 3rd and 36th Infantry Divisions under command. In late January 1944 II Corps, now with the 1st Armored Division under command, took part in the

Battle of Rapido River The Battle of Rapido River was fought from 20 to 22 January 1944 during one of the Allies' many attempts to breach the Winter Line in the Italian Campaign during World War II. Despite its name, the battle occurred on the Gari River.

, part of the first

Battle of Monte Cassino The Battle of Monte Cassino, also known as the Battle for Rome and the Battle for Cassino, was a series of four assaults made by the Allies against German forces in Italy during the Italian Campaign of World War II. The ultimate objective was ...

, to distract German attention away from the

Anzio landings The Battle of Anzio was a battle of the Italian Campaign of World War II that took place from January 22, 1944 (beginning with the Allied amphibious landing known as Operation Shingle) to June 5, 1944 (ending with the capture of Rome). The o ...

. The operation failed with heavy losses in the 36th Division. During the fourth and final battle of Cassino in May, II Corps consisted of the 85th and 88th Infantry Divisions. For the assault of the German

Gothic Line The Gothic Line (german: Gotenstellung; it, Linea Gotica) was a German defensive line of the Italian Campaign of World War II. It formed Field Marshal Albert Kesselring's last major line of defence along the summits of the northern part of ...

, II Corps consisted of the 34th, 88th and 91st Infantry Divisions. The corps moved up the western side of Italy, and fought in the

Spring 1945 offensive in Italy The spring 1945 offensive in Italy, codenamed Operation Grapeshot, was the final Allied attack during the Italian Campaign in the final stages of the Second World War. The attack into the Lombard Plain by the 15th Allied Army Group started on ...

, where it ended up on the right flank of the Fifth Army in May 1945. II Corps was inactivated in Austria on 10 October 1945, following Germany's surrender.

Cold War

In March 1958,

Camp Kilmer Located in Central New Jersey, Camp Kilmer is a former United States Army camp that was activated in June 1942 as a staging area and part of an installation of the New York Port of Embarkation. The camp was organized as part of the Army Service ...

New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delawa ...

, became Headquarters for the reactivated II Corps as the controlling headquarters for

United States Army Reserve The United States Army Reserve (USAR) is a reserve force of the United States Army. Together, the Army Reserve and the Army National Guard constitute the Army element of the reserve components of the United States Armed Forces. Since July 20 ...

units across the northeast. It also assigned personnel to active duty during the Vietnam War when its headquarters was moved to

Fort Wadsworth Fort Wadsworth is a former United States military installation on Staten Island in New York City, situated on The Narrows which divide New York Bay into Upper and Lower halves, a natural point for defense of the Upper Bay and Manhattan beyon ...

, New York.

Inactivation

The corps was inactivated on 5 June 1970.

Commanders

*MG Henry C. Pratt 26 November 1940 – 20 August 1941 *MG

1 July 1942 – 10 October 1942 *MG

10 October 1942 – 5 March 1943 *MG

George S. Patton, Jr. George Smith Patton Jr. (November 11, 1885 – December 21, 1945) was a General (United States), general in the United States Army who commanded the Seventh United States Army in the Mediterranean Theater of Operations, Mediterranean Theater ...

5 March 1943 – 16 April 1943 *MG

Omar N. Bradley Omar Nelson Bradley (February 12, 1893April 8, 1981) was a senior officer of the United States Army during and after World War II, rising to the rank of General of the Army. Bradley was the first chairman of the Joint Chiefs of Staff and ove ...

16 April 1943 – 9 September 1943 *MG

John P. Lucas Major General John Porter Lucas (January 14, 1890 – December 24, 1949) was a senior officer of the United States Army who saw service in World War I and World War II. He is most remembered for being the commander of VI Corps during the Battle of ...

9 September 1943 – 19 September 1943 *MG Geoffrey Keyes 19 September 1943 – 10 October 1945

Notes

References

*Gregory Blaxland, ''Amiens: 1918'', London: Frederick Muller, 1968/Star, 1981, . *Center of Military History. ''To Bizerte with the II Corps, 23 April - 13 May 1943''. Washington, D.C.: Center of Military History, U.S. Army, 1990. *Brig-Gen Sir James E. Edmonds & Lt-Col R. Maxwell-Hyslop, ''History of the Great War: Military Operations, France and Belgium 1918'', Vol V, ''26th September–11th November, The Advance to Victory'', London: HM Stationery Office, 1947/Imperial War Museum and Battery Press, 1993, . * Major General Sir Archibald Montgomery, ''The Story of the Fourth Army in the Battles of the Hundred Days August 8th to November 11th 1918'', Hodder and Stoughton, 1919. *John B. Wilson, 'Armies, Corps, Divisions, and Separate Brigades' * Mitchell A. Yockelson, ''Borrowed Soldiers: Americans under British Command, 1918'', Norman, OK: University of Oklahoma Press, 2008, {{ISBN, 978-0-8061-3919-7. 1918 establishments in the United States Military units and formations established in 1918 Military units and formations disestablished in 1970 02 02