British military

British military
Name	British Armed Forces
Caption	The Union Flag and the White Ensign.
Founded	1707
Current form	1964
Headquarters	Ministry of Defence, Whitehall, London
Commander-in-chief	Charles III
Chief minister	Rishi Sunak
Chief of defence staff	Admiral Sir Tony Radakin
Age	16–17 (with parental consent), 18 for deployment
Active	148,220 (2024)
Reserve	77,180 (2024)
Budget	£55.6 billion (2024)
Percent GDP	2.3% (2024)
Domestic suppliers	BAE Systems, Rolls-Royce, Babcock International
Foreign suppliers	United States, European Union
Related articles	Royal Navy, British Army, Royal Air Force

British military. The British Armed Forces, formally known as His Majesty's Armed Forces, are the military forces responsible for the defence of the United Kingdom, its Overseas Territories, and the Crown Dependencies. They also promote Britain's wider security interests and support international peacekeeping efforts, operating under the authority of the Ministry of Defence and the command of the Prime Minister. Comprising the professional Royal Navy (including the Royal Marines), the British Army, and the Royal Air Force, they are among the world's most technologically advanced and extensively deployed militaries, with a global network of bases and a history of major operations from the Napoleonic Wars to the War in Afghanistan.

History

The modern British military's origins lie in the unification of the kingdoms of England and Scotland in 1707, merging the English Army and the pre-existing Royal Scots Navy into a single force that would expand the British Empire. Its history is defined by pivotal conflicts including the Seven Years' War, the American War of Independence, and the vast struggles of the Napoleonic Wars, where the Royal Navy under Admiral Nelson secured dominance at the Battle of Trafalgar. The 20th century saw its immense sacrifice in the First and Second World Wars, with landmark engagements such as the Battle of the Somme, the Battle of Britain, and the Normandy landings. The post-war period involved decolonisation, the Cold War standoff with the Soviet Union, and major expeditions like the Falklands War. Recent history is marked by sustained operations in the Balkans, Iraq, and Afghanistan.

Organisation and structure

The overall command and administration of the military falls under the Ministry of Defence in Whitehall, headed by the Secretary of State for Defence. Operational command is exercised by the Chief of the Defence Staff and the tri-service Permanent Joint Headquarters at Northwood Headquarters. The three service branches are the Royal Navy (with its commando force, the Royal Marines), the British Army, and the Royal Air Force. Key supporting and joint organisations include the Strategic Command, the Defence Equipment and Support agency, and the United Kingdom Special Forces, which encompasses the Special Air Service and the Special Boat Service.

Personnel and recruitment

As a volunteer force, personnel are recruited through the single-service recruitment offices of the Royal Navy, British Army, and Royal Air Force. Training is conducted at prestigious institutions such as the Royal Military Academy Sandhurst, Britannia Royal Naval College, and RAF College Cranwell. The total strength includes regular forces and reserves, notably the Army Reserve and the Royal Auxiliary Air Force. The military maintains a strong tradition of honours and awards, including the Victoria Cross and the George Cross, and personnel are supported by charities like the Royal British Legion and facilities such as the Headley Court rehabilitation centre.

Equipment and technology

The military fields a sophisticated array of equipment, with naval power centred on the Queen Elizabeth-class aircraft carriers, Astute-class submarines, and Type 45 destroyers. The British Army's armoured core includes the Challenger 3 tank and the Ajax reconnaissance vehicle, while the Royal Air Force operates advanced aircraft like the Eurofighter Typhoon, F-35 Lightning II, and Voyager tankers. Strategic capabilities are provided by the Vanguard-class nuclear-powered submarines armed with Trident missiles. Key domestic suppliers include BAE Systems, Rolls-Royce, and MBDA UK, with significant procurement partnerships with the United States and other NATO allies.

Operations and deployments

Current operations span persistent global engagement, including NATO's enhanced Forward Presence in Estonia and support for Operation Interflex in training Ukrainian forces. The military maintains permanent garrisons in locations like Cyprus (RAF Akrotiri), the Falkland Islands, and Gibraltar, and contributes to international counter-piracy missions and United Nations peacekeeping. Recent major deployments include combat operations in Helmand Province, the intervention against the Islamic State in Iraq and Syria (Operation Shader), and humanitarian disaster relief following events like the 2020 Beirut explosion.

Defence policy and strategy

Policy is articulated through periodic reviews, most recently the Integrated Review Refresh 2023, which sets the ambition for a "Global Britain" with a focus on Indo-Pacific engagement and countering state threats from Russia and the People's Republic of China. The cornerstone of collective security remains the NATO alliance, with the UK hosting the Allied Rapid Reaction Corps. Nuclear deterrence, via the Continuous At Sea Deterrent, is a fundamental component, while strategy increasingly emphasises cyber warfare through the National Cyber Force and space operations coordinated by UK Space Command. Key bilateral defence partnerships exist with the United States (under the Special Relationship), France (Lancaster House Treaties), and other Five Eyes intelligence allies.

Category:Military of the United Kingdom Category:British Armed Forces Category:Military history of the United Kingdom