The Infantry of the British Army comprises 49 infantry battalions, from 19 regiments. Of these, 33 battalions are part of the Regular army and the remaining 16 a part of the Army Reserve. The British Army's Infantry takes on a variety of roles, including armoured, mechanised, air assault and light.
The Coldstream Guards is the oldest continuously serving regular regiment in the British Army. As part of the Household Division, one of its principal roles is the protection of the monarchy; due to this, it often participates in state ceremonial occasions. The Regiment has consistently provided formations on deployments around the world and has fought in the majority of the major conflicts in which the British Army has been engaged.
The Welsh Guards, part of the Guards Division, is one of the Foot Guards regiments of the British Army. It was founded in 1915 as a single-battalion regiment, during the First World War, by Royal Warrant of George V. Shortly after the regiment's formation, it was deployed to France where it took part in the fighting on the Western Front until the end of the war in November 1918. During the inter-war years, the regiment undertook garrison duties in the United Kingdom, except between 1929 and 1930 when it deployed to Egypt, and late 1939 when it deployed to Gibraltar.
In some militaries, foot guards are senior infantry regiments. Foot guards are commonly responsible for guarding royal families or other state leaders, and they also often perform ceremonial duties accordingly, but at the same time are combat soldiers.
The 8th Infantry Division was an infantry division of the British Army that was active in both the First and Second World Wars. The division was first formed in October 1914 during the First World War, initially consisting mainly of soldiers of the Regular Army and served on the Western Front throughout the war, sustaining many casualties, before disbandment in 1919. The division was reactivated in Palestine, under the command of Major-General Bernard Montgomery, in the late 1930s in the years running up to the Second World War before being disbanded in late February 1940. It was briefly reformed in Syria in an administrative role during 1942-3.
The Guards Division was an administrative unit of the British Army responsible for the training and administration of the regiments of Foot Guards and the London Guards reserve battalion. The Guards Division was responsible for providing two battalions for public duties to London District ; although the guards are most associated with ceremony, they are nevertheless operational infantry battalions, and as such perform all the various roles of infantry. In 2022, the Guards Division was renamed as the Guards and Parachute Division.
The Royal Scots Fusiliers was a line infantry regiment of the British Army that existed from 1678 until 1959 when it was amalgamated with the Highland Light Infantry to form the Royal Highland Fusiliers which was later itself merged with the Royal Scots, King's Own Scottish Borderers, the Black Watch, the Argyll and Sutherland Highlanders and the Highlanders to form a new large regiment, the Royal Regiment of Scotland.
London District (LONDIST) is the name given by the British Army to the area of operations encompassing the Greater London area. It was established in 1870 as Home District.
The British Army primarily divides its infantry into regiments, which are subdivided into battalions. However, for various reasons, since the end of the Second World War it has also maintained companies that are intended to provide increments and reinforcements.
The 16th Infantry Brigade was an infantry brigade of the British Army that saw active service during the Second Boer War and the First and Second World Wars.
The 1st Armoured Infantry Brigade was an infantry brigade of the British Army with a long history including service during both the First and the Second World Wars. It was based at Tidworth Camp. Previously, it has been designated 1st (Guards) Brigade, 1st Infantry Brigade, 1st Mechanised Brigade, and under the initial Army 2020 reforms assumed the title of 1st Armoured Infantry Brigade. Under the Future Soldier programme, the brigade merged with the 1st Artillery Brigade to form the 1st Deep Recce Strike Brigade Combat Team.
The 22nd Guards Brigade was an infantry brigade of the British Army that saw distinguished active service during the Second World War.
The 4th Infantry Brigade was an infantry brigade of the British Army that served in both First and Second World Wars. During both world wars, it was part of the 2nd Infantry Division.
The 11th Brigade is a brigade of the British Army which is transitioning to the tactical recce-strike role. The brigade was formerly the 11th Security Force Assistance Brigade, providing training and guidance for foreign militaries.
The 5th Infantry Brigade was a regular infantry brigade of the British Army that was in existence since before the First World War, except for a short break in the late 1970s. It was an Airborne Brigade from the early 1980s until amalgamating with 24th Airmobile Brigade, in 1999, to form 16 Air Assault Brigade.
A large regiment is a multi-battalion infantry formation of the British Army. First formed in the 1960s, large regiments are the result of the amalgamation of a number of existing single-battalion regiments, and perpetuate the traditions of each of the predecessor units.
The Grenadier Guards is the most senior infantry regiment of the British Army, being at the top of the Infantry Order of Precedence. It can trace its lineage back to 1656 when Lord Wentworth's Regiment was raised in Bruges to protect the exiled Charles II. In 1665, this regiment was combined with John Russell's Regiment of Guards to form the current regiment, known as the 1st Regiment of Foot Guards. Since then, the regiment has filled both a ceremonial and protective role as well as an operational one. In 1900, the regiment provided a cadre of personnel to form the Irish Guards; while later, in 1915 it also provided the basis of the Welsh Guards upon their formation.
The Guards Division was an infantry division of the British Army that was formed in the Great War in France in 1915 from battalions of the Guards regiments from the Regular Army. The division served on the Western Front for the duration of the First World War. The division's insignia was the "All Seeing Eye".
The Guards and Parachute Division is an administrative unit of the British Army responsible for the training and administration of the regiments of Foot Guards and the Parachute Regiment. The division is responsible for providing two battalions for public duties to London District ; although the guards are most associated with ceremony, they are nevertheless operational infantry battalions, and as such perform all the various roles of infantry.
