Infantry of the British Army

Infantry of the British Army
Name	Infantry of the British Army
Caption	Infantry in formation at the Battle of Waterloo, 1815 (artist's interpretation)
Country	United Kingdom
Branch	British Army
Type	Infantry
Role	Close combat, manoeuvre, occupation, peacekeeping
Garrison	Various depots including Catterick Garrison, Aldershot Garrison, Colchester Garrison
Notable commanders	Arthur Wellesley, 1st Duke of Wellington, Horatio Nelson, Bernard Montgomery, Douglas Haig, Prince Rupert of the Rhine
Anniversaries	St George's Day, Remembrance Day

Infantry of the British Army is the principal close-combat arm of the British Army, constituted of foot soldiers organised into regiments, battalions, and specialised corps. It traces lineage through the Wars of the Three Kingdoms, the Glorious Revolution, the Napoleonic Wars, colonial conflicts such as the Anglo-Zulu War and the Sudan Campaign, the World Wars—Battle of the Somme, Battle of El Alamein—and recent operations in Iraq War and War in Afghanistan (2001–2021). The infantry combines historic regimental identity with modern doctrine derived from exercises and lessons from alliances including NATO.

History

Origins lie in Tudor-era levies and the standing forces raised under the New Model Army and the Restoration; early formations fought in the English Civil War, the Nine Years' War, and on the Continent at Siege of Namur (1695). The 18th and 19th centuries saw expansion across imperial theatres—Seven Years' War, American Revolutionary War, Crimean War, and the Indian Rebellion of 1857—shaping regimental traditions such as those of the Coldstream Guards and The Royal Scots. Reforms by figures like the Cardwell Reforms and Childers Reforms professionalised recruitment and depot systems. In the 20th century the infantry endured mass mobilisation for the First World War and reorganisation for combined-arms warfare in the Second World War, influenced by campaigns including Operation Overlord and the Italian Campaign (World War II). Postwar decolonisation, the Suez Crisis, and Cold War deployments to West Germany under British Army of the Rhine changed force posture, while operations in Falklands War and peacekeeping under the United Nations further evolved expeditionary capability.

Organization and Structure

Infantry units are organised into regular and reserve components centred on brigades and divisions within the 1st (United Kingdom) Division and others, with administrative links to the Army Headquarters. Battalions serve as primary manoeuvre units; companies and platoons form sub-units led by commissioned and non-commissioned officers drawn from institutions such as the Royal Military Academy Sandhurst and the Royal Military College of Science. The infantry works alongside the Royal Armoured Corps, Royal Artillery, and Corps of Royal Engineers within combined-arms formations. Logistics and medical support are provided through units such as the Royal Logistic Corps and the Royal Army Medical Corps, while specialist capabilities come from the Parachute Regiment, Special Air Service, and Army Air Corps liaison teams.

Regiments and Corps

Historically distinct regiments include the Grenadier Guards, Coldstream Guards, Scots Guards, The Rifles, Royal Regiment of Scotland, Princess of Wales's Royal Regiment, and county regiments like The Yorkshire Regiment. The infantry encompasses armoured infantry, mechanised infantry, light role infantry, and airborne units such as the Parachute Regiment and Airborne Assault elements. Overseas and colonial antecedents are reflected in regiments like the Royal Gurkha Rifles and traditions preserved by regimental museums at places such as National Army Museum and county museums. Amalgamations after the 1990s defence reviews—following the Options for Change and Army 2020 programmes—led to new structures while maintaining regimental lineage through battle honours and affiliations with civic institutions.

Roles and Equipment

Infantry roles span close-quarters fighting, deliberate clearance, area denial, patrolling, urban operations, and peacekeeping under United Nations mandates. Equipment ranges from individual weapons like the L85A2 and later versions, crew-served weapons including the L7 machine gun and the Carl Gustav recoilless rifle, to support vehicles such as the FV432 and the modern Warrior Infantry Fighting Vehicle. Mobility is enhanced by platforms including the Challenger 2 in combined arms tasks and rotary-wing support from the Army Air Corps. Force protection utilises personal armour including Mk 7 helmet derivatives and vehicle-mounted counter-IED systems developed after lessons from Iraq War and War in Afghanistan (2001–2021).

Training and Doctrine

Training pathways include initial training at regional depots like Catterick Garrison and specialised courses at establishments such as the Infantry Battle School at Brecon and the School of Infantry; leadership courses are delivered at Royal Military Academy Sandhurst. Doctrine derives from joint publications and NATO standards, shaped by exercises like Joint Warrior and historical studies such as analyses of Blitzkrieg and counter-insurgency in manuals influenced by the AJP-3 series. Collective training emphasises small-unit tactics, live-fire, urban operations, and combined-arms integration, while soldier development follows career structures overseen by the Army Recruiting and Training Division.

Operational Deployments and Campaigns

Infantry units have deployed globally: colonial policing in Cipango-era conflicts, set-piece battles like Waterloo, trench warfare on the Western Front, desert warfare at El Alamein, amphibious operations in Normandy, and post-colonial interventions such as Suez Crisis and the Malayan Emergency. Late 20th and early 21st century deployments include the Falklands War, peacekeeping in Bosnia and Herzegovina, stabilization in Iraq War and counter-insurgency in War in Afghanistan (2001–2021), often alongside NATO partners including United States and France.

Uniforms, Insignia and Traditions

Regimental dress includes full dress uniforms of units like the Grenadier Guards and distinctive headgear such as bearskins, with service dress and combat uniforms evolving to camouflage patterns like Personal Clothing System. Insignia include cap badges, stable belts, tactical recognition flashes, and regimental colours bearing battle honours from engagements including Waterloo, Inkerman, and the Somme. Customs such as regimental marches, mess traditions, and anniversaries—observed on days like St George's Day and Remembrance Day—maintain esprit de corps, while museums and memorials such as the Imperial War Museum preserve history and heritage.

Category:British Army