I Corps was an army corps in existence as an active formation in the British Army for most of the 80 years from its creation in the First World War until the end of the Cold War, longer than any other corps. It had a short-lived precursor during the Waterloo Campaign.
XXX Corps was a corps of the British Army during the Second World War. The corps was formed in the Western Desert in September 1941. It provided extensive service in the North African Campaign and many of its units were in action at the Second Battle of El Alamein in late 1942. It then took part in the Tunisia Campaign and formed the left flank during the Allied invasion of Sicily in 1943.
IV Corps was a corps-sized formation of the British Army, formed in both the First World War and the Second World War. During the First World War the corps served on the Western Front throughout its existence. During the Second World War it served in Norway and Britain until it was transferred to India, which was threatened with attack after Japan entered the war.
The 3rd Division is a regular army division of the British Army. It was created in 1809 by Arthur Wellesley, 1st Duke of Wellington, as part of the Anglo-Portuguese Army, for service in the Peninsular War, and was known as the Fighting 3rd under Sir Thomas Picton during the Napoleonic Wars. The division fought at the Battle of Waterloo, as well as during the Crimean War and the Second Boer War. As a result of bitter fighting in 1916, during the First World War, the division became referred to as the 3rd (Iron) Division, or the Iron Division or Ironsides. During the Second World War, the division fought in the Battle of France including a rearguard action during the Dunkirk Evacuation, and played a prominent role in the D-Day landings of 6 June 1944. The division was to have been part of a proposed Commonwealth Corps, formed for a planned invasion of Japan in 1945–46, and later served in the British Mandate of Palestine. During the Second World War, the insignia became the "pattern of three" — a black triangle trisected by an inverted red triangle, created by Bernard Montgomery to instil pride in his troops.
The 4th Infantry Division was a regular infantry division of the British Army with a very long history, seeing active service in the Peninsular War, the Crimean War, the First World War, and during the Second World War. It was disbanded after the war and reformed in the 1950s as an armoured formation before being disbanded and reformed again and finally disbanded on 1 January 2012.
The 5th Infantry Division was a regular army infantry division of the British Army. It was established by Arthur Wellesley, 1st Duke of Wellington for service in the Peninsular War, as part of the Anglo-Portuguese Army, and was active for most of the period since, including the First World War and the Second World War and was disbanded soon after. The division was reformed in 1995 as an administrative division covering Wales and the English regions of West Midlands, East Midlands and East. Its headquarters were in Shrewsbury. It was disbanded on 1 April 2012.
The II Corps was an army corps of the British Army formed in both the First World War and the Second World War. There had also been a short-lived II Corps during the Waterloo Campaign.
III Corps was an army corps of the British Army formed in both the First World War and the Second World War.
VII Corps was an army corps of the British Army active in the First and Second World Wars. In the early part of the Second World War it was part of the defence forces of the United Kingdom, and later acted as a shadow formation for deception purposes.
The 79th Armoured Division was a specialist armoured division of the British Army created during the Second World War. The division was created as part of the preparations for the Normandy invasion on 6 June 1944, D-Day.
The King's Shropshire Light Infantry (KSLI) was a light infantry regiment of the British Army, formed in the Childers Reforms of 1881, but with antecedents dating back to 1755. It served in the Second Boer War, World War I and World War II. In 1968, the four regiments of the Light Infantry Brigade amalgamated to form The Light Infantry, with the 1st KSLI being redesignated as the 3rd Battalion of the new regiment.
V Corps was an army corps of the British Army that saw service in both the First and the Second World Wars. It was first organised in February 1915 and fought through the First World War on the Western front. It was recreated in June 1940, during the Second World War and was substantially reorganised in 1942 for participation in Operation Torch. It fought through the Tunisia Campaign and later the Italian Campaign.
The Westmorland and Cumberland Yeomanry was a Yeomanry Cavalry regiment of the British Army with its origins in 1798. The regiment provided troops for the Imperial Yeomanry during the Second Boer War and served on the Western Front in World War I, latterly as infantry. The regiment converted to artillery in 1920 and served as such in the early years of World War II, before becoming part of the Chindits in Burma. Postwar it served as a gunner regiment until 1971 when the title disappeared.
The Pembroke Yeomanry was an auxiliary regiment of the British Army dating back to 1794. It saw active service in the French Revolutionary War, the Second Boer War, World War I and World War II. Its lineage is maintained by 224 Transport Squadron, part of 157 (Welsh) Regiment RLC in the Army Reserve.
XII Corps was an army corps of the British Army that fought in the First and Second World Wars. In the First World War, it formed part of the British Salonika Force on the Macedonian front. In the Second World War, it formed part of the British Second Army during Operation Overlord and the subsequent North-West Europe Campaign of 1944-45.
55th (Wessex) Field Regiment was a unit of the Royal Artillery in Britain's part-time Territorial Army (TA). Its origin was a brigade organised in 1927 from the former West Somerset Yeomanry and field batteries from Wiltshire. Just before the outbreak of World War II the Wiltshire elements were separated to form a second regiment, after which the 55th (Wessex) was often referred to simply as the West Somerset Yeomanry (WSY). It served in Home Forces for the first part of the war, but in 1942 it was assigned to the Guards Armoured Division and served with that formation throughout the campaign in North West Europe, from Normandy to the German surrender in 1945. It continued as an artillery regiment in the postwar TA until 1967.
59th Army Group Royal Artillery was an artillery formation of the British Army in World War II. Having operated in the North West Europe theatre in late 1944, it was switched to India to command artillery units preparing for the liberation of South-East Asia.
The 1st Devonshire Artillery Volunteers and its successor units served in the British Army's Reserve Forces from 1859 to 1961. During World War I it carried out garrison duty in British India but went on to see active service in the Third Anglo-Afghan War. Converting to an air defence role before World War II its units participated in the Norwegian campaign and the Dunkirk evacuation, the Battle of Britain and then the campaigns in North Africa, Italy, and Burma
The 191st Field Regiment was a unit of Britain's Royal Artillery (RA) formed during World War II. Created around experienced drafts from existing Territorial Army units, it trained as mobile artillery with an armoured division. Later it served through the campaign in North West Europe, supporting varied formations such as the Royal Marine Commandos, Royal Armoured Corps and Polish troops operating under First Canadian Army.
8th Army Group Royal Artillery was a brigade-sized formation organised by Britain's Royal Artillery (RA) during World War II to command medium and heavy guns. It served in the campaign in North West Europe, participating in the battles in the Orne valley and the bocage south of Caumont before the breakout from the Normandy beachhead, operations to close up to the Maas, and the assault crossing of the Rhine.
United Kingdom 
British Army 
