The Strategic Defence Review (SDR) was a British policy document published in July 1998 by the
Labour Government
A government is the system or group of people governing an organized community, generally a State (polity), state.
In the case of its broad associative definition, government normally consists of legislature, executive (government), execu ...
that was elected in 1997. Then
Secretary of State for Defence
The secretary of state for defence, also known as the defence secretary, is a secretary of state in the Government of the United Kingdom, with responsibility for the Ministry of Defence. As a senior minister, the incumbent is a member of the ...
,
George Robertson, set out the initial defence policy of the new government, with a series of key decisions designed to enhance the
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
's armed forces.
Two of the largest defence procurement projects were excluded from the SDR, the Trident submarines and the
Eurofighter
The Eurofighter Typhoon is a European multinational twin-engine, supersonic, canard delta wing, multirole fighter. The Typhoon was designed originally as an air-superiority fighter and is manufactured by a consortium of Airbus, BAE Systems ...
; the Trident system was essential to maintaining a credible nuclear deterrent, a policy adopted by Labour, and was already nearing completion. Likewise the Eurofighter was nearing production and withdrawal would lead to loss of considerable investment and severe penalties from the partner nations.
Its overall strategic conclusions were that the
British Armed Forces
The British Armed Forces are the unified military, military forces responsible for the defence of the United Kingdom, its British Overseas Territories, Overseas Territories and the Crown Dependencies. They also promote the UK's wider interests ...
should be able to respond to a major international crisis which might require a military effort and combat operations of a similar scale and duration to
Operation Granby during the
Gulf War
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. It also should be able to undertake a more extended overseas deployment on a lesser scale (as in
Bosnia
Bosnia and Herzegovina, sometimes known as Bosnia-Herzegovina and informally as Bosnia, is a country in Southeast Europe. Situated on the Balkans, Balkan Peninsula, it borders Serbia to the east, Montenegro to the southeast, and Croatia to th ...
) while retaining the ability to mount a second substantial deployment. The latter might involve a combat brigade and appropriate naval and air forces if this were made necessary by a second crisis (as in
Operation Veritas in
Afghanistan
Afghanistan, officially the Islamic Emirate of Afghanistan, is a landlocked country located at the crossroads of Central Asia and South Asia. It is bordered by Pakistan to the Durand Line, east and south, Iran to the Afghanistan–Iran borde ...
). It would not, however, expect both deployments to involve warfighting or to maintain them simultaneously for longer than six months. The Armed Forces must also retain the ability, at much longer notice, to rebuild a bigger (pre-
Options for Change
Options for Change was a restructuring of the British Armed Forces in summer 1990 after the end of the Cold War.
Until this point, UK military strategy had been almost entirely focused on defending Western Europe against the Soviet Armed Forces ...
) force as part of
NATO
The North Atlantic Treaty Organization (NATO ; , OTAN), also called the North Atlantic Alliance, is an intergovernmental organization, intergovernmental Transnationalism, transnational military alliance of 32 Member states of NATO, member s ...
's collective defence should a major strategic threat re-emerge.
The next wholesale review of the British Armed Forces was the
Strategic Defence and Security Review of 2010.
Summary
; Harrier Force:
Royal Navy
The Royal Navy (RN) is the naval warfare force of the United Kingdom. It is a component of His Majesty's Naval Service, and its officers hold their commissions from the King of the United Kingdom, King. Although warships were used by Kingdom ...
's
Fleet Air Arm
The Fleet Air Arm (FAA) is the naval aviation component of the United Kingdom's Royal Navy (RN). The FAA is one of five :Fighting Arms of the Royal Navy, RN fighting arms. it is a primarily helicopter force, though also operating the Lockhee ...
to merge their
Sea Harrier force with the
RAF's
Harrier GR7s to form "
Joint Force Harrier." This joint force was to operate from Royal Navy s or air bases as required.
; Aircraft carriers: The current three ''Invincible''-class aircraft carriers were to be replaced by two new larger and more flexible aircraft carriers. These ships, the (known at the time of the review as CVF) entered service in 2017 and 2019.
; Mobility: To increase strategic transport six s were ordered, and four
C-17 Globemasters were leased. The SDR also reaffirmed the need for a permanent strategic transport force and the
Airbus A400M
The Airbus A400M AtlasNamed after the Atlas (mythology), Greek mythological figure. is a European four-engine turboprop military transport aircraft. It was designed by Airbus Military, now Airbus Defence and Space, as a tactical airlifter with ...
was selected in 2000.
; Royal Navy fleet: The surface fleet force was reduced from 35 to 32 frigates and destroyers with the withdrawal of Batch 2
Type 22 frigate
The Type 22 frigate also known as the ''Broadsword'' class was a ship class, class of frigates built for the British Royal Navy. Fourteen were built in total, with production divided into three batches.
Initially intended to be anti-submarine ...
s, 25 to 22 minehunters and the SSN attack submarine force was reduced from 12 to 10. The potency of the SSN force was increased by the decision to make all capable of firing the
Tomahawk
A tomahawk is a type of single-handed axe used by the many Native Americans in the United States, Indian peoples and nations of North America, traditionally resembles a hatchet with a straight shaft.
Etymology
The name comes from Powhatan langu ...
land attack missile (TLAM.) The SDR confirmed the purchase an initial batch of three submarines.
; Nuclear deterrent: The maximum capacity of the
Trident missile system will not be exploited. Approximately 200 warheads will be maintained, reduced from 300. Further the last batch of missile bodies will not be procured, with a total of 58 missiles. The patrols of the ''Vanguard''-class submarines will be limited to one vessel carrying a reduced warhead load of 48 (reduced from 96.) The SDR recommended acceleration of the retirement of the
WE.177 tactical nuclear weapons.
; Army: The
British Army
The British Army is the principal Army, land warfare force of the United Kingdom. the British Army comprises 73,847 regular full-time personnel, 4,127 Brigade of Gurkhas, Gurkhas, 25,742 Army Reserve (United Kingdom), volunteer reserve perso ...
was reorganised. Another important move was the establishment of the spearhead
16th Air Assault Brigade which includes the Army's
WAH-64 Apache attack helicopter force. This gave an overall deployable force structure of three armoured brigades, three mechanised brigades, and one airmobile brigade. A
Joint Rapid Reaction Force
The Joint Rapid Reaction Force (JRRF) was a capability concept of the British Armed Forces from 1999 to 2010. It was a pool of specialised units from all three armed services tasked with Rapid deployment force, rapid deployment worldwide at short ...
was also established to provide the capability to deploy a brigade-sized force at short notice. The Army's size
in Germany was to be reduced but numbers increased by 3,300 overall. The eight armoured regiments of the
Royal Armoured Corps
The Royal Armoured Corps is the armoured arm of the British Army, that together with the Household Cavalry provides its armour capability, with vehicles such as the Challenger 2 and the Warrior tracked armoured vehicle. It includes most of the Ar ...
were to be reduced to six larger ones, fielding 58 rather than 38
Challenger 2 tanks each.
; Territorial Army: The
TA was to be modernised and enhanced to make it more readily deployable and usable, primarily through greater integration with the regular Army. Total numbers were to be cut from 56,000 to 42,000.
; Ground Based Air Defence: Ground-Based Air Defence would no longer be separated under the Army and the RAF, but consolidated under a single
Joint Ground-Based Air Defence Command.
; Support helicopters: All of the services' battlefield support helicopters (around 400) were combined to form the
Joint Helicopter Command
The Joint Aviation Command (JAC), previously known as Joint Helicopter Command (JHC), is a tri-service organisation uniting battlefield military helicopters of all three services of the British Armed Forces and unmanned aerial vehicles of the B ...
.
;RAF fast jet force: The number of frontline aircraft was reduced by 36 (two squadrons) but the MoD reaffirmed their commitment to the Eurofighter. The SDR identified the need for a replacement for the
Tornado GR4 and initiated studies under the
Future Offensive Air System project. The purchase of
Meteor
A meteor, known colloquially as a shooting star, is a glowing streak of a small body (usually meteoroid) going through Earth's atmosphere, after being heated to incandescence by collisions with air molecules in the upper atmosphere,
creating a ...
,
Brimstone and
Storm Shadow missiles was confirmed.
; NBC defence: An integrated British Army and RAF force, comprising both regular and reservist elements would be formed to specialise in
NBC
The National Broadcasting Company (NBC) is an American commercial broadcast television and radio network serving as the flagship property of the NBC Entertainment division of NBCUniversal, a subsidiary of Comcast. It is one of NBCUniversal's ...
defensive capabilities. This resulted in the formation of the
Joint NBC Regiment in 1999.
SDR New Chapter
Following the
September 11th attacks
The September 11 attacks, also known as 9/11, were four coordinated Islamist terrorist suicide attacks by al-Qaeda against the United States in 2001. Nineteen terrorists hijacked four commercial airliners, crashing the first two into ...
on New York and Washington the Secretary of State for Defence,
Geoff Hoon
Geoffrey William Hoon (born 6 December 1953) is a British Labour Party politician who served as the Member of Parliament (MP) for Ashfield in Nottinghamshire from 1992 to 2010. He is a former Defence Secretary, Transport Secretary, Leader ...
announced that work would be undertaken on a New Chapter to the Strategic Defence Review. This reviewed again the UK's defence posture and plans to ensure that the country possessed the right capabilities and the right forces to meet the additional challenges faced after 9/11. The review concluded;
:''"We need to look further into how we should allocate the investment which is needed, including, for example, to intelligence gathering, network-centric capability (including enhanced strike and
Special Forces
Special forces or special operations forces (SOF) are military units trained to conduct special operations. NATO has defined special operations as "military activities conducted by specially designated, organized, selected, trained and equip ...
capabilities and
unmanned aerial vehicle
An unmanned aerial vehicle (UAV) or unmanned aircraft system (UAS), commonly known as a drone, is an aircraft with no human pilot, crew, or passengers onboard, but rather is controlled remotely or is autonomous.De Gruyter Handbook of Dron ...
s), improved mobility and fire power for more rapidly deployable lighter forces, temporary deployed accommodation for troops, and night operations. The significant additional resources made available to Defence in Spending Review 2002 will enable us to take this forward with the urgency that the 11 September demands."''
See also
*
Strategic Defence and Security Review 2010
The Strategic Defence and Security Review 2010 was announced by the formed Conservative-Liberal Democrat coalition government of the United Kingdom in May 2010, and published on 19 October 2010. The previous major review of UK defence strategy was ...
*
Options for Change
Options for Change was a restructuring of the British Armed Forces in summer 1990 after the end of the Cold War.
Until this point, UK military strategy had been almost entirely focused on defending Western Europe against the Soviet Armed Forces ...
(1990 restructuring)
*
Front Line First (1994)
*
Delivering Security in a Changing World
Delivery may refer to:
Biology and medicine
*Childbirth
Childbirth, also known as labour, parturition and delivery, is the completion of pregnancy, where one or more Fetus, fetuses exits the Womb, internal environment of the mother via vagi ...
(2003 restructuring)
*
Military of the United Kingdom
A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. Militaries are typically authorized and maintained by a sovereign state, with their members identifiable by a d ...
*
Strategic Defence Review (2025)
References
External links
1998 Strategic Defence Review:Full report
{{UK Defence Review
1998 documents
History of the Labour Party (UK)
Defence white papers
British defence policymaking
1998 in British politics
United Kingdom defence procurement
Trident (UK nuclear programme)
1998 in military history
20th-century military history of the United Kingdom