27 Chiefs of the Air Staff (United Kingdom)

The Chief of the Air Staff (CAS) is the professional head of the Royal Air Force and a member of both the Chiefs of Staff Committee and the Air Force Board. The post was created in 1918 with Major General Sir Hugh Trenchard as the first incumbent. The current and 30th Chief of the Air Staff is Air Chief Marshal Sir Michael Wigston, who succeeded Sir Stephen Hillier in July 2019.

Marshal of the Royal Air Force Sir Michael James Beetham, was a Second World War bomber pilot and a high-ranking commander in the Royal Air Force from the 1960s to the 1980s. As Chief of the Air Staff during the Falklands War he was involved in the decision to send the Task Force to the South Atlantic. At the time of his death Beetham was one of only six people holding his service's most senior rank and, excluding Prince Philip's honorary rank, and had the longest time in rank, making him the senior Marshal of the Royal Air Force.

Marshal of the Royal Air Force Sir Dermot Alexander Boyle, was a senior officer in the Royal Air Force. He served in the Second World War initially as a staff officer with the Advanced Air Striking Force in Reims in which capacity he organised the evacuation of the Force through Brest in May 1940. His war service included tours as a bomber squadron commander, as a station commander and also as an air group commander. He was Chief of the Air Staff in the late 1950s and, in that role, deployed British air power during the Suez Crisis in October 1956 and defended the RAF against the views of Duncan Sandys, the Minister for Defence, who believed that the V bomber force rendered manned fighter aircraft redundant.

Marshal of the Royal Air Force Neil Cameron, Baron Cameron of Balhousie, was a senior officer in the Royal Air Force. He fought in the Second World War as a fighter pilot taking part in the Battle of Britain, the Battle of Alam el Halfa, the First Battle of El Alamein and the Second Battle of El Alamein and then in operations in Burma. He served as Chief of the Air Staff in the late 1970s advising the British Government on the reinforcement of the British garrison in Belize which was under threat from Guatemala at the time. He also served as the Chief of the Defence Staff at the end of the 1970s in which role he secured pay comparability for services personnel involved in civil support during the firemen's strike, visited the People's Republic of China and lectured extensively on the Soviet air threat.

Marshal of the Royal Air Force David Brownrigg Craig, Baron Craig of Radley, is a retired Royal Air Force officer and member of the House of Lords. He was a fast jet pilot in the 1950s, a squadron commander in the 1960s and a station commander in the 1970s. He served as Chief of the Air Staff during the late 1980s, when the Boeing Airborne early warning and control system was ordered and the European Fighter programme was being developed. He then served as Chief of the Defence Staff during the Gulf War. He was granted a life peerage as Baron Craig of Radley after his retirement from active service in 1991, sitting as a crossbencher.

Air Chief Marshal Sir Stephen Gary George Dalton, is a retired Royal Air Force commander and current Lieutenant Governor of Jersey.

Marshal of the Royal Air Force Sir William Forster Dickson, was a Royal Naval Air Service aviator during the First World War, a senior officer in the Royal Air Force during the inter-war years and a Royal Air Force commander during and after the Second World War. Dickson was Chief of the Air Staff in the mid-1950s, in which role his main preoccupation was the establishment of the V Force and the necessary supporting weapons, airfields and personnel. He also served as the first Chief of the Defence Staff in the late 1950s.

Marshal of the Royal Air Force Sir Edward Leonard Ellington, was a senior officer in the Royal Air Force. He served in the First World War as a staff officer and then as Director-General of Military Aeronautics and subsequently as Controller-General of Equipment. In the inter-war years he held command positions in the Middle East, in India and then in Iraq. He served as Chief of the Air Staff in the mid-1930s and in that role he implemented a plan, known as 'Scheme F'. This scheme implemented an increase in the size of the Royal Air Force to 187 squadrons within three years to counter the threat from Hitler's Germany. He also broke up the command known as "Air Defence of Great Britain" to create RAF Fighter Command, RAF Bomber Command, RAF Coastal Command and RAF Training Command. He then served as Inspector-General of the RAF until his retirement in 1940.

Marshal of the Royal Air Force Samuel Charles Elworthy, Baron Elworthy, was a senior officer in the Royal Air Force. He served as commander of a squadron of Blenheim bombers and then as a station commander during the Second World War. He became Chief of the Air Staff in the mid-1960s and implemented the cancellation of the TSR-2 strike aircraft and the HS681 military transport aircraft programmes. He also became Chief of the Defence Staff in which role he oversaw the evacuation from Aden in November 1967 and had to respond to the growing crisis in Northern Ireland in the late 1960s.

Marshal of the Royal Air Force Sir John Grandy, was a senior officer in the Royal Air Force. He was the only officer who fought and commanded a squadron during the Battle of Britain to reach the post of Chief of the Air Staff. In the latter role he implemented the final stages of the RAF's withdrawal from the Persian Gulf and the Far East, oversaw the ordering and subsequent cancellation of the F-111 strike aircraft and handed over Britain's nuclear deterrent role to the Royal Navy.

Marshal of the Royal Air Force Sir Peter Robin Harding, is a retired Royal Air Force officer who served as a bomber pilot in the 1950s, a helicopter squadron commander in the 1960s and a station commander in the 1970s. He became Chief of the Air Staff in 1988 and served in that role during the Gulf War in 1991. He became Chief of the Defence Staff in December 1992 but resigned after his affair with Lady (Bienvenida) Buck, the wife of Conservative MP Antony Buck, became public.

Air Chief Marshal Sir Stephen John Hillier, is a retired senior Royal Air Force officer, who served as Chief of the Air Staff from 2016 to 2019. He was awarded the Distinguished Flying Cross for actions in the Gulf in 1999 and was awarded the United States Bronze Star Medal for service in the Iraq War. He went on to be Air Officer Commanding No. 2 Group, Director Information Superiority at the Ministry of Defence and then Deputy Chief of the Defence Staff (Capability). Hillier succeeded Air Chief Marshal Sir Andrew Pulford as Chief of the Air Staff on 12 July 2016.

Marshal of the Royal Air Force Sir Andrew Henry Humphrey, was a senior officer in the Royal Air Force. He fought in the Second World War as a fighter pilot taking part in the Battle of Britain and also took part in the withdrawal from Aden in November 1967. He served as the Chief of the Air Staff advising the new Labour Government on the implementation of their latest Defence Review. He then served as Chief of the Defence Staff but caught pneumonia within three months of taking office and died shortly afterwards.

Air Chief Marshal Sir Richard Edward Johns, is a retired senior Royal Air Force commander. He was a fighter pilot in the 1960s, commanding officer of a squadron during the 1970s and a station commander in the 1980s. Johns served as one of three British directors of operations on the senior planning staff for Operation Granby in 1991 and then acted as a supporting commander for joint operations in the Balkans in 1994. As Chief of the Air Staff he advised the British Government on the air force aspects of the Strategic Defence Review and on NATO's air campaign in Kosovo.

Marshal of the Royal Air Force Cyril Louis Norton Newall, 1st Baron Newall, was a senior officer of the British Army and Royal Air Force. He commanded units of the Royal Flying Corps and Royal Air Force in the First World War, and served as Chief of the Air Staff during the first years of the Second World War. From 1941 to 1946 he was the Governor-General of New Zealand.

Marshal of the Royal Air Force Sir Thomas Geoffrey Pike, was a senior officer in the Royal Air Force. He served in the Second World War as a night fighter squadron commander and then as a station commander. He was Chief of the Air Staff in the early 1960s and, in that role, deployed British air power as part of the British response to the Brunei Revolt. Also, in the face of escalating costs, he implemented the cancellation of the British Blue Streak ballistic missile system but then found the RAF was without any such capability when the Americans cancelled their own Skybolt ballistic missile system. He went on to be Deputy Supreme Commander Supreme Headquarters Allied Powers Europe in the mid-1960s.

Marshal of the Royal Air Force Charles Frederick Algernon Portal, 1st Viscount Portal of Hungerford, was a senior Royal Air Force officer. He served as a bomber pilot in the First World War, and rose to become first a flight commander and then a squadron commander, flying light bombers on the Western Front.

Air Chief Marshal Sir William Geoffrey Hanson Salmond, was a senior commander in the Royal Flying Corps during the First World War. Remaining in the Royal Air Force after the war, he held senior appointments in the Middle East, Great Britain and India. In 1933, Salmond served as Chief of the Air Staff for only a matter of days before being taken ill and subsequently dying from cancer.

Marshal of the Royal Air Force Sir John Maitland Salmond, was a British military officer who rose to high rank in the Royal Flying Corps and then the Royal Air Force. During the First World War he served as a squadron commander, a wing commander and then as General Officer Commanding the RAF on the Western Front towards the end of the war. He went on to be Air Officer Commanding British Forces in Iraq in the early 1920s when he halted a Turkish invasion and sought to put down a Kurdish uprising against King Faisal, the British-sponsored ruler of Iraq. He was Chief of the Air Staff in the early 1930s and bitterly opposed the position taken by British politicians at the World Disarmament Conference in Geneva, which would have led to the UK's complete aerial disarmament. In the event the talks broke down when Adolf Hitler withdrew from the Conference in October 1933.

Marshal of the Royal Air Force Sir John Cotesworth Slessor,, sometimes known as Jack Slessor, was a senior commander in the Royal Air Force (RAF), serving as Chief of the Air Staff from 1950 to 1952. As a pilot in the Royal Flying Corps during the First World War, he saw action with No. 17 Squadron in the Middle East, earning the Military Cross, and with No. 5 Squadron on the Western Front, where he was awarded the Belgian Croix de Guerre. Between the wars he commanded No. 4 Squadron in England, and No. 3 (Indian) Wing, earning the Distinguished Service Order for operations with the latter in Waziristan. In 1936, he published Air Power and Armies, which examined the use of air power against targets on and behind the battlefield.

Marshal of the Royal Air Force Sir Denis Frank Spotswood, was a senior commander in the Royal Air Force. He fought in the Second World War as a flying boat pilot and then as a coastal reconnaissance squadron commander during Operation Torch, the invasion of North Africa. He served as a station commander in the late 1940s and early 1950s before becoming a senior air commander in the late 1950s. As the Chief of the Air Staff in the early 1970s he had a major role in implementing the defence savings demanded by the Heath Government in the face of economic difficulties at the time.

Marshal of the Royal Air Force Graham Eric Stirrup, Baron Stirrup,, informally known as Jock Stirrup, is a former senior Royal Air Force commander who was the Chief of the Defence Staff from 2006 until his retirement in late 2010. He is now a Crossbench member of the House of Lords. In April 2013, he was appointed a Knight of the Order of the Garter by Queen Elizabeth II.

Air Vice Marshal Sir Frederick Hugh Sykes, was a British military officer and politician.

Marshal of the Royal Air Force Arthur William Tedder, 1st Baron Tedder, was a senior Royal Air Force commander. He was a pilot and squadron commander in the Royal Flying Corps in the First World War and he went on to serve as a senior officer in the Royal Air Force during the inter-war years when he served in Turkey, Great Britain and the Far East.

Air Chief Marshal Sir Glenn Lester Torpy, is a retired senior Royal Air Force commander. He was a fast jet pilot in the late 1970s and 1980s, saw active service during the Gulf War and then went on to higher command. He was the air component commander on Operation Telic and served as Chief of the Air Staff, the professional head of the RAF, from 2006 to 2009. In that role Torpy hosted the RAF's biggest air display in two decades, and argued for consolidation of all British air power in the hands of the RAF.

Marshal of the Royal Air Force Hugh Montague Trenchard, 1st Viscount Trenchard, was a British officer who was instrumental in establishing the Royal Air Force. He has been described as the "Father of the Royal Air Force."

Marshal of the Royal Air Force Sir Keith Alec Williamson, was a senior officer in the Royal Air Force. He served with the Royal Australian Air Force flying Meteors in a ground attack role during the Korean War. He was a squadron commander and then a station commander during the 1960s and a senior air commander in the 1980s. He was Chief of the Air Staff during the early 1980s at the time of the emergency airlift of food and supplies to Ethiopia.