The Chief of the Defence Staff (CDS) is the professional head of the British Armed Forces and the most senior uniformed military adviser to the

secretary of state for defence The secretary of state for defence, also referred to as the defence secretary, is a secretary of state in the Government of the United Kingdom, with overall responsibility for the business of the Ministry of Defence. The incumbent is a membe ...

and the

prime minister of the United Kingdom The prime minister of the United Kingdom is the head of government of the United Kingdom. The prime minister advises the sovereign on the exercise of much of the royal prerogative, chairs the Cabinet and selects its ministers. As modern ...

. The chief of the defence staff is based at the Ministry of Defence and works alongside the Permanent Under-Secretary of State for Defence, the ministry's senior civil servant. The Chief of Defence is the highest ranking officer to currently serve in the armed forces. Constitutionally, the sovereign is the ''

de jure In law and government, ''de jure'' ( ; , "by law") describes practices that are legally recognized, regardless of whether the practice exists in reality. In contrast, ("in fact") describes situations that exist in reality, even if not legally ...

'' commander-in-chief of the Armed Forces. However, in practice, the

Government of the United Kingdom ga, Rialtas a Shoilse gd, Riaghaltas a Mhòrachd , image = HM Government logo.svg , image_size = 220px , image2 = Royal Coat of Arms of the United Kingdom (HM Government).svg , image_size2 = 180px , caption = Royal Arms , date_es ...

de facto ''De facto'' ( ; , "in fact") describes practices that exist in reality, whether or not they are officially recognized by laws or other formal norms. It is commonly used to refer to what happens in practice, in contrast with ''de jure'' ("by la ...

'' exercises the

royal prerogative The royal prerogative is a body of customary authority, privilege and immunity, recognized in common law and, sometimes, in civil law jurisdictions possessing a monarchy, as belonging to the sovereign and which have become widely vested in th ...

and provides direction of the Armed Forces through the Ministry of Defence's Defence Council, of which the chief of the defence staff is a member. The current chief of the defence staff is Admiral Sir Tony Radakin, who succeeded General

Sir Nick Carter General Sir Nicholas Patrick Carter, (born 11 February 1959) is a Kenyan-born former senior British Army officer who served as Chief of the Defence Staff from June 2018 to November 2021. Carter served as commanding officer of 2nd Battalion, ...

in November 2021. Chiefs of the defence staff are appointed on the recommendation of the secretary of state for defence to the prime minister, before being approved by the monarch.

Supporting and associated posts

The CDS is supported by a deputy, the Vice-Chief of the Defence Staff, who since 1997 (when the CDS post was downgraded) has been of equivalent rank but is ordinarily from a different service to the CDS. There are also several

Deputy Chief of the Defence Staff The Deputy Chief of the Defence Staff is a senior British military officer who reports to the Chief of the Defence Staff and Vice-Chief of the Defence Staff. Early Deputy Chiefs of the Defence Staff These were: *1957 – 1960 – Lieutenant-Gene ...

(DCDS) posts who support the VCDS. As of 2015 these are: *Deputy Chief of Defence Staff (Military Strategy & Operations) (DCDS (MSO)) *Chief of Defence People (CDP) *Deputy Chief of Defence Staff for Military Capability (DCDS (Mil Cap)) The CDS maintains a close working relationship with the Ministry of Defence's Permanent Under Secretary, who is the Ministry's senior civil servant, and they both report directly to the

Secretary of State for Defence The secretary of state for defence, also referred to as the defence secretary, is a secretary of state in the Government of the United Kingdom, with overall responsibility for the business of the Ministry of Defence. The incumbent is a membe ...

. The CDS focuses on military operations and strategy while the Permanent Under Secretary's remit concerns administrative and financial policy.

History of the post

The post was created in 1959 to reflect the new concept of joint operations that had come to the fore in the

Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposi ...

. The first incumbent was Marshal of the RAF Sir William Dickson. Prior to the creation of the post, he had served as the chairman of the

Chiefs of Staff Committee The Chiefs of Staff Committee (CSC) is composed of the most senior military personnel in the British Armed Forces who advise on operational military matters and the preparation and conduct of military operations. The committee consists of the C ...

, from 1956 onwards. Before 1956, although no permanent post of chairman existed, the three service chiefs took it in turn to act as chairman at meetings. From the post's inception until the mid-to-late 1970s, CDS appointments were granted on a strict rotational basis between the three services. The first break in rotational order was precipitated by the death of Marshal of the RAF Sir Andrew Humphrey. From the creation of the post until 1997, the Chief of the Defence Staff was appointed to the highest rank in the respective branch of the British armed forces to which he belonged, being an admiral of the Fleet, a field marshal or

marshal of the Royal Air Force Marshal of the Royal Air Force (MRAF) is the highest rank in the Royal Air Force (RAF). In peacetime it was granted to RAF officers in the appointment of Chief of the Defence Staff (CDS), and to retired Chiefs of the Air Staff (CAS), who were ...

, ( NATO rank code

OF-10 A five-star rank is the highest military rank in many countries.Oxford English Dictionary (OED), 2nd Edition, 1989. "five" ... "five-star adj., ... (b) U.S., applied to a general or admiral whose badge of rank includes five stars;" The rank is t ...

). However, with the post- Cold War reduction in the manpower strength of the British Armed Forces and the additional reasoning that no new 5-star appointments are to be made in peacetime, since 1997 the Chief of the Defence Staff has kept the rank of admiral,

general A general officer is an officer of high rank in the armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers to a rank above colonel."general, adj. and n.". OED ...

or air chief marshal, (NATO

OF-9 A four-star rank is the rank of any four-star officer described by the NATO OF-9 code. Four-star officers are often the most senior commanders in the armed services, having ranks such as (full) admiral, (full) general, colonel general, army gen ...

), which he invariably already holds. However, during the 2010s Guthrie, Boyce,

Walker Walker or The Walker may refer to: People * Walker (given name) *Walker (surname) * Walker (Brazilian footballer) (born 1982), Brazilian footballer Places In the United States *Walker, Arizona, in Yavapai County *Walker, Mono County, California ...

and Stirrup were honorarily promoted to their respective services' senior ranks, sometime after they had each stepped down as CDS. Although there is no policy against a Royal Marines officer being appointed, few officers in the Corps attain a high enough rank to be considered for the post. However, in 2016,

Gordon Messenger General Sir Gordon Kenneth Messenger, (born 15 April 1962) is a retired senior Royal Marines officer who served as Vice-Chief of the Defence Staff from May 2016 to May 2019. As a colonel he commanded 40 Commando during the Iraq War, and led th ...

was promoted to the four star rank of general and appointed as Vice-Chief of the Defence Staff.

List of Chiefs of the Defence Staff (1959–present)

Living former Chiefs of the Defence Staff

Timeline

Peerage

Customarily, former Chiefs of Defence Staff receive a

life peerage In the United Kingdom, life peers are appointed members of the peerage whose titles cannot be inherited, in contrast to hereditary peers. In modern times, life peerages, always created at the rank of baron, are created under the Life Peerages A ...

on retirement, sitting in the House of Lords as non-political crossbench peers. Their appointment is recommended not via the

House of Lords Appointments Commission The House of Lords Appointments Commission is an independent advisory non-departmental public body in the United Kingdom. It has two roles: *to recommend at least two people a year for appointment as non-party-political life peers who sit on the ...

as is normal procedure, but is instead nominated directly to The King by the

Prime Minister A prime minister, premier or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. Under those systems, a prime minister i ...

, who elects to nominate "a limited number of distinguished public servants" on retirement for a peerage. Sir Jock Stirrup was introduced to the House of Lords on 1 February 2010 as ''Baron Stirrup'' of Marylebone in the City of Westminster.

Notes

References

Sources

* {{Chief of military by country Ministry of Defence (United Kingdom) British military appointments

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...