British Army infantry

British Army infantry
Name	British Army infantry
Active	1660–present
Country	United Kingdom
Branch	British Army
Type	Infantry
Role	Close combat, manoeuvre, security

British Army infantry is the principal close-combat arm of the British Army responsible for dismounted and mounted fighting, holding ground, and conducting patrolling, assault and defensive operations. Its units trace lineage through regiments such as the Grenadier Guards, Coldstream Guards, Scots Guards, Royal Regiment of Scotland, The Rifles and the Parachute Regiment, and have served in conflicts including the Napoleonic Wars, the Crimean War, the Boer War, the Gallipoli Campaign, the Western Front (World War I), the North African campaign, the Italian Campaign (World War II), the Korean War, the Falklands War, the Gulf War (1990–91), operations in Northern Ireland, Iraq War, and the War in Afghanistan (2001–2021). Regimental identities link to cities and counties such as York, Edinburgh, Cardiff, Belfast and Bristol while ceremonial ties connect to institutions like Buckingham Palace, Horse Guards Parade and the Tower of London.

History

The infantry's antecedents include the New Model Army, the English Civil War, the Restoration (England) and the establishment of regiments such as the Coldstream Guards and Grenadier Guards during the Glorious Revolution. During the Seven Years' War and the Napoleonic Wars infantry formations evolved under reforms influenced by figures like Arthur Wellesley, 1st Duke of Wellington and battles such as the Battle of Waterloo. The 19th century saw adaptation through the Cardwell Reforms and the Childers Reforms linking regiments to counties and creating the regimental system that persisted into imperial conflicts like the Crimean War and the Second Boer War. Two 20th-century world wars—the Battle of the Somme, Passchendaele, El Alamein and Normandy landings—accelerated mechanisation and combined-arms doctrine, while postwar decolonisation, the Suez Crisis and Cold War commitments in West Germany reshaped force structure. Late 20th- and early 21st-century operations in Northern Ireland, the Falklands War, Operation Granby, Operation Herrick and Operation Telic prompted reforms culminating in modernisation programmes alongside alliance commitments to North Atlantic Treaty Organization.

Organisation and units

Infantry organisation is regimental and battalion-based, combining historic regiments such as the Royal Anglian Regiment, Royal Regiment of Fusiliers, Princess of Wales's Royal Regiment, King’s Royal Hussars redesignations and newer formations like the London Regiment. Battalions task-organise into light role, mechanised, armoured infantry, and specialised units: airborne forces of the Parachute Regiment, air assault elements linked to 16 Air Assault Brigade, and reserve units in the Army Reserve supplementing regular battalions. Brigade-level formations such as the 1st Armoured Infantry Brigade and divisional headquarters like 1st (United Kingdom) Division and 3rd (United Kingdom) Division provide operational command, while training establishments—Sandhurst for officers, the Infantry Battle School and Royal Military Academy Sandhurst—sustain capability. Administrative hubs like the Ministry of Defence (United Kingdom) coordinate procurement with suppliers including BAE Systems and interoperability with partners such as the United States Army and NATO.

Roles and tactics

Infantry roles encompass patrolling, close-quarters battle, urban operations, peacekeeping, counterinsurgency and expeditionary assault, integrating with armour, artillery and aviation platforms exemplified in combined-arms operations like Operation Desert Storm and Operation Telic. Tactics have evolved from Napoleonic line and column tactics to fire and manoeuvre, squad-level suppression, and urban fighting techniques influenced by lessons from Battle of Grozny, Battle of Fallujah and operations in Helmand province. Specialist doctrines include air assault tactics used with 7th Parachute Regiment Royal Horse Artillery, mechanised manoeuvre with Warrior tracked vehicle formations, and reconnaissance patrols supporting intelligence from units like the Intelligence Corps. Training emphasises section tactics, battle drills, platoon manoeuvre, and joint operations with assets such as the Royal Air Force and Royal Navy.

Recruitment, training and career progression

Recruitment draws from UK-wide populations—cities such as Manchester, Birmingham, Glasgow—and from Commonwealth links to nations like Australia, Canada and New Zealand for historical ties. Initial training for soldiers occurs at apprentice and basic training centres including the Army Foundation College, with officer training at Royal Military Academy Sandhurst and specialist infantry trade courses at the Infantry Training Centre and the Infantry Battle School. Career progression moves through ranks from private to sergeant and warrant officer, and for officers from second lieutenant through to lieutenant colonel and colonel, with selection boards such as the Army Officer Selection Board and promotion boards tied to professional military education like the Defence Academy of the United Kingdom. Reserve integration uses mobilisation frameworks and pairing schemes with regular units under policies set by the Strategic Defence and Security Review.

Equipment and weaponry

Infantry equipment ranges from small arms—the L85A2/SA80 family, L7 machine gun derivatives and the L129A1 Sharpshooter rifle—to crew-served weapons such as the Javelin (missile) anti-tank system and the NLAW. Personal equipment includes body armour like the Osprey body armour predecessor sets and helmets such as the Mk 7 helmet, night-vision optics and communications suites interoperable with systems procured through NATO standards. Vehicle platforms supporting infantry include the Warrior tracked vehicle, Ajax (vehicle), the Jackal (vehicle) and lighter protected mobility from suppliers like General Dynamics European Land Systems. Support from artillery—AS90 and M270 MLRS—and aviation such as the Apache AH1 and transport helicopters like the Chinook extend operational reach.

Uniforms, traditions and insignia

Uniforms and traditions reflect regimental histories: ceremonial dress of the Grenadier Guards and Coldstream Guards for Trooping the Colour contrasts with combat uniforms in Multi-Terrain Pattern and insignia including cap badges, hackles, tartans of the Royal Regiment of Scotland, and stable belts tied to county affiliations. Regimental colours, battle honours from engagements like Waterloo and Somme, and customs such as the Beating retreat and mess etiquette preserve identity, while awards including the Victoria Cross and the Military Cross recognise gallantry. Regimental museums—Imperial War Museum, National Army Museum and county museums—maintain collections of uniforms, accoutrements and artefacts linked to lineage and ceremonial duties performed at locations like Horse Guards Parade and Windsor Castle.

Category:Infantry of the United Kingdom