Specialist Firearms Command
Encyclopedia
Central Operations Specialist Firearms Command (CO19) (previously known as SO19) is a Central Operations
Central Operations
Central Operations is a major directorate of the London Metropolitan Police Service that provides operational support to the rest of the service...

 branch within Greater London
Greater London
Greater London is the top-level administrative division of England covering London. It was created in 1965 and spans the City of London, including Middle Temple and Inner Temple, and the 32 London boroughs. This territory is coterminate with the London Government Office Region and the London...

's Metropolitan Police Service
Metropolitan Police Service
The Metropolitan Police Service is the territorial police force responsible for Greater London, excluding the "square mile" of the City of London which is the responsibility of the City of London Police...

. The Command is responsible for providing a firearms-response capability, assisting the rest of the service, which is normally unarmed. Within the media
News media
The news media are those elements of the mass media that focus on delivering news to the general public or a target public.These include print media , broadcast news , and more recently the Internet .-Etymology:A medium is a carrier of something...

 it is occasionally compared to the SWAT
SWAT
A SWAT team is an elite tactical unit in various national law enforcement departments. They are trained to perform high-risk operations that fall outside of the abilities of regular officers...

 units of the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, being seen as London's equivalent. The unit is based at Leman Street Police Station in Whitechapel
Whitechapel
Whitechapel is a built-up inner city district in the London Borough of Tower Hamlets, London, England. It is located east of Charing Cross and roughly bounded by the Bishopsgate thoroughfare on the west, Fashion Street on the north, Brady Street and Cavell Street on the east and The Highway on the...

, Central London
Central London
Central London is the innermost part of London, England. There is no official or commonly accepted definition of its area, but its characteristics are understood to include a high density built environment, high land values, an elevated daytime population and a concentration of regionally,...

.

On occasion, they have been referred to as the "blue berets", as they used to wear these. Today they are more likely to wear combat helmets (of PASGT
Personnel Armor System for Ground Troops
Personnel Armor System for Ground Troops, sometimes abbreviated to PASGT, was a combat helmet and ballistic vest used by the American military from the mid 1980s until 2005, when the system was succeeded by the Lightweight Helmet, Modular Integrated Communications Helmet, and Interceptor body...

 type).

Historical use of firearms

At its formation in 1829 the service had a policy of not routinely carrying firearms, but Home Secretary
Home Secretary
The Secretary of State for the Home Department, commonly known as the Home Secretary, is the minister in charge of the Home Office of the United Kingdom, and one of the country's four Great Offices of State...

 Sir Robert Peel
Robert Peel
Sir Robert Peel, 2nd Baronet was a British Conservative statesman who served as Prime Minister of the United Kingdom from 10 December 1834 to 8 April 1835, and again from 30 August 1841 to 29 June 1846...

 did authorise the Commissioner
Commissioner of Police of the Metropolis
The Commissioner of Police of the Metropolis is the head of London's Metropolitan Police Service, classing the holder as a chief police officer...

 to purchase fifty flintlock pistols
Flintlock
Flintlock is the general term for any firearm based on the flintlock mechanism. The term may also apply to the mechanism itself. Introduced at the beginning of the 17th century, the flintlock rapidly replaced earlier firearm-ignition technologies, such as the doglock, matchlock and wheellock...

 for use in emergencies—such as those that involved the use of firearms.

As time progressed, the obsolete flintlocks were decommissioned from service, being superseded by early revolver
Revolver
A revolver is a repeating firearm that has a cylinder containing multiple chambers and at least one barrel for firing. The first revolver ever made was built by Elisha Collier in 1818. The percussion cap revolver was invented by Samuel Colt in 1836. This weapon became known as the Colt Paterson...

s. At the time, burglary (or "house breaking" as it was then called) was a common problem for police, and "house breakers" were often armed. Due to deaths of officers by armed criminals in the outer districts
Police district
Police district is a form of division of a geographical area patrolled by a police force.Police forces using this format include:* York Regional Police* Halton Regional Police Service* Baltimore Police Department* Baton Rouge Police Department...

 of the metropolis
Metropolitan Police District
The Metropolitan Police District is the police area which is policed by London's Metropolitan Police Service. It currently consists of Greater London, excluding the City of London.-History:...

, and after public calls debating whether Peel's service should be fully armed, the Commissioner applied to Peel for authorisation to supply officers on the outer districts with revolvers. The authorisation was issued on the condition that, revolvers could only be issued if, in the opinion of the senior officer, the officer could be trusted to use it safely, and with discretion. From that point, officers who felt the need to be armed, could be so. The practice lasted until 1936, although the vast majority of the system was phased out by the end of the 19th century.

In the 1860s, the flintlock pistols that had been purchased in 1829 were decommissioned from service, being superseded by 622 Adams revolver
Beaumont-Adams Revolver
The Beaumont-Adams Revolver was a muzzle-loading percussion revolver. Originally adopted by the British Army in .442 calibre in 1856, many were later converted to use centrefire cartridges. It was replaced in British service in 1880 by the .476 calibre Enfield Mk I revolver.-History:On 20...

s firing the .450 cartridge
.450 Adams
The .450 Adams was a British black powder centrefire revolver cartridge, initially used in converted Beaumont-Adams Revolvers, in the late 1860s...

, which were loaned from the army
British Army
The British Army is the land warfare branch of Her Majesty's Armed Forces in the United Kingdom. It came into being with the unification of the Kingdom of England and Scotland into the Kingdom of Great Britain in 1707. The new British Army incorporated Regiments that had already existed in England...

 stores at the Tower of London
Tower of London
Her Majesty's Royal Palace and Fortress, more commonly known as the Tower of London, is a historic castle on the north bank of the River Thames in central London, England. It lies within the London Borough of Tower Hamlets, separated from the eastern edge of the City of London by the open space...

 following the Clerkenwell bombing
Michael Barrett (Fenian)
Michael Barrett was born in Drumnagreshial in the Ederney area of County Fermanagh. In his adult years he became a member of the Fenians....

. In 1883, a ballot was carried out to gather information on officers' views about arming, and 4,430 out of 6,325 officers serving on outer divisions wanted to be issued with revolvers. The now obsolete Adams revolver was returned to stores for emergencies, and the Bulldog 'Metropolitan Police' revolver
British Bulldog revolver
The British Bull Dog was a popular type of solid-frame pocket revolver introduced by Philip Webley & Son of Birmingham, England in 1872 and subsequently copied by gunmakers in Continental Europe and the United States. It featured a barrel and was chambered for five .44 Short Rimfire, .442 Webley,...

 was issued to officers on the outer districts who felt the need to be armed. On 18 February 1887, PC 52206 Henry Owen became the first officer to fire a revolver while on duty, after being unable to alert the inhabitants of a premises on a fire. Following the Siege of Sidney Street
Siege of Sidney Street
The Siege of Sidney Street, popularly known as the "Battle of Stepney", was a notorious gunfight in London's East End on the 2nd of January 1911. Preceded by the Houndsditch Murders, it ended with the deaths of two members of a supposedly politically-motivated gang of burglars supposedly led by...

, one thousand self-loading Webley & Scott pistols were purchased. In 1914, the Bulldogs were withdrawn from service and returned to stores. Lord Trenchard
Hugh Trenchard as Metropolitan Police Commissioner
Hugh Trenchard served as Metropolitan Police Commissioner from 1931 to 1935.After Trenchard had retired from the Royal Air Force in 1930, he largely disappeared from public life. However, in March 1931, the British Prime Minister Ramsay MacDonald asked Trenchard to take the post of Metropolitan...

 standardised the issue of pistols among divisions with the size of the area depending on the amount of firearms; ten pistols with 320 rounds of ammunition were issued to divisional stations, six pistols with 192 rounds per sub-divisional station, and three pistols with 96 rounds to each section station. In 1936, the authorisation to carry revolvers on outer districts was revoked, and at the same time Canadian Ross rifle
Ross rifle
The Ross rifle was a straight-pull bolt-action 0.303 inch calibre rifle produced in Canada from 1903 until the middle of the First World War....

s were purchased in the prelude to the Second World War.

A review in 1952 following the Derek Bentley case found 15% of firearms in service to be defective; leading to Special Branch
Special Branch
Special Branch is a label customarily used to identify units responsible for matters of national security in British and Commonwealth police forces, as well as in the Royal Thai Police...

 and Royalty Protection Officer
Personal Protection Officer
Personal Protection Officers are officers of the London Metropolitan Police Royalty and Diplomatic Protection Department who are assigned for the personal protection of members of the Royal Family. The senior officer is the Queen's Police Officer...

s being re-armed with an early version of the Beretta automatic pistol
Beretta M1951
The M 1951 is a 9 mm semi-automatic pistol, developed during the late 1940s and early 1950s by Pietro Beretta S.p.A. of Italy. The pistol was produced strictly for military use and was introduced into service with the Italian Army and security forces as the Modello 1951 , replacing the 9 mm...

.

Formation

The Firearms Wing, as it was originally named, was formed as part of the Civil Defence and Communications Branch or D6 by its designation, the wing was formed in response to the murder of three officers
Massacre of Braybrook Street
The Shepherd's Bush murders, also known as the Massacre of Braybrook Street, was the murder of three police officers in London by Harry Roberts and two others in 1966....

. The Commissioner
Commissioner of Police of the Metropolis
The Commissioner of Police of the Metropolis is the head of London's Metropolitan Police Service, classing the holder as a chief police officer...

 requested applications from officers within the service who had experience in the handling of firearms, such as ex members of the armed forces or those who attended shooting clubs. The officers who applied attended the Small Arms Wing of the School of Infantry
Small Arms School Corps
The Small Arms School Corps is a small corps of the British Army responsible for maintaining the proficiency of the army in the use of small arms, support weapons and range management.-History:...

 to become permanent instructors for the service's newly formed firearms wing. Upon the officers' return to the service they trained firearms officers.

After the unit had changed its name from D6 to D11, level 1 and level 2 officer roles were created. Level 1 officers were made up primarily of instructors, only being operationally deployed after a siege
Siege
A siege is a military blockade of a city or fortress with the intent of conquering by attrition or assault. The term derives from sedere, Latin for "to sit". Generally speaking, siege warfare is a form of constant, low intensity conflict characterized by one party holding a strong, static...

 had been established to aid in the resolution of the incident. Level 1 officers qualified using the Webley & Scott  revolver
Webley Revolver
The Webley Revolver was, in various marks, the standard issue service pistol for the armed forces of the United Kingdom, the British Empire, and the Commonwealths from 1887 until 1963.The Webley is a top-break revolver with automatic extraction...

, or more recently the Browning
Browning Arms Company
Browning Arms Company is a maker of firearms, bows and fishing gear. Founded in Utah in 1927, it offers a wide variety of firearms, including shotguns, rifles, pistols, and rimfire firearms and sport bows, as well as fishing rods and reels....

  High Power
Browning Hi-Power
The Browning Hi-Power is a single-action, 9 mm semi-automatic handgun. It is based on a design by American firearms inventor John Browning, and completed by Dieudonné Saive at Fabrique Nationale of Herstal, Belgium. Browning died in 1926, several years before the design was finalized...

 self-loading pistol, with some officers being trained and authorised to use the Enfield Enforcer 7.62 mm
7.62 mm caliber
7.62 mm caliber is a nominal caliber used for a number of different cartridges. Historically, this class of cartridge was commonly known as .30 caliber, the Imperial unit equivalent, and was most commonly used for indicating a class of full power military main battle rifle cartridges...

 sniper rifle
Sniper rifle
In military and law enforcement terminology, a sniper rifle is a precision-rifle used to ensure more accurate placement of bullets at longer ranges than other small arms. A typical sniper rifle is built for optimal levels of accuracy, fitted with a telescopic sight and chambered for a military...

 for counter-sniper roles. Throughout the 1970s, the branch increased in size, with more firearms instructors being recruited to keep up with the increase in the demand for firearms training. During the 1970s, D11 officers qualified in the Smith & Wesson Model 36
Smith & Wesson Model 36
The Smith & Wesson Model 36 is a revolver chambered for .38 Special. Like nearly all other "J-frame" Smith & Wesson revolvers, it has a 5-round capacity in a swing-out cylinder, and features an exposed hammer. It features a nickel-plated or blued finish and either wood or rubber grips...

 and the Model 10 revolvers.

During the early 1980s, a demand for operational firearms support from the department was deemed necessary, owing to the creation of level 2 officers. The role of a level 2 officer was to deploy to pre-planned and response operations that neither involved the taking of hostages nor suspects with exceptional firepower. In 1987, D11 was renamed to PT17, due to it now being a part of Personnel and Training. Officers at that time were issued with Browning self-loading pistols, and Smith & Wesson Model 28
Smith & Wesson Model 28
The Smith & Wesson Model 28, also known as the Highway Patrolman, is a revolver chambered for the .357 Magnum cartridge, in production from 1954 to 1986. It is a budget version of the S&W Model 27.-Development:...

 revolvers, along with training on the Heckler & Koch 93
Heckler & Koch HK43
The Heckler and Koch HK43 is a paramilitary semi-automatic rifle similar to the Heckler & Koch HK33 and is the predecessor of the Heckler & Koch HK93 semi-automatic sporting rifle.-Overview:...

.

In response to operational demands, the department underwent drastic restructuring in 1991. The roles of both level 1 & 2 officers were merged together to form Specialist Firearms Officer
Specialist Firearms Officer
A Specialist Firearms Officer is a British Police officer who has undergone training in the use of police firearms, and therefore is authorised to carry and when necessary use a firearm to prevent an immediate threat to life. All SFOs first train as Authorised Firearms Officers which crew armed...

, which continued to have much of the same role responding to pre-planned firearms operation, kidnaps, and sieges. At the same time a new title was created as Authorised Firearms Officer
Authorised Firearms Officer
An Authorised Firearms Officer is a British police officer who has received training and authorisation to carry and use firearms. The designation is significant because within the United Kingdom, police officers do not routinely carry firearms...

 to crew the newly devised armed response vehicles
Armed Response Vehicle
An armed response vehicle is a type of police car operated by the British police. ARVs are crewed by Authorised Firearms Officers to respond to emergency telephone calls believed to involve firearms or other high-risk situations...

 (ARVs) to meet the increase in armed crime during 1991. Using Rover 800
Rover 800
The Rover 800 series is an executive car introduced by the Austin Rover Group in 1986 and also marketed as the Sterling in the United States. Co-developed with Honda, it was a close relative to the Honda Legend and the successor to the Rover SD1....

 area cars adapted for specialist duties, ARV officers provided rapid response to spontaneous firearms incidents, such as armed robberies, being the first such organised system the capital had witnessed.

Along with the restructuring of officer roles, for the first time the department came under control of the Specialist Operations Directorate
Specialist Operations
Specialist Operations is a directorate of the Metropolitan Police. At its peak, SO was a group of twenty specialist units, which were formed to give the Metropolitan Police a specialist policing capability. The SO designation was implemented in 1986 as part of Sir Kenneth Newman's restructuring of...

, renaming the department to "SO19". Early ARV officers were issued with Smith & Wesson Model 10's, with others being trained in the use of the Heckler & Koch MP5
Heckler & Koch MP5
The Heckler & Koch MP5 is a 9mm submachine gun of German design, developed in the 1960s by a team of engineers from the German small arms manufacturer Heckler & Koch GmbH of Oberndorf am Neckar....

 semi-automatic carbine
Semi-automatic firearm
A semi-automatic, or self-loading firearm is a weapon which performs all steps necessary to prepare the weapon to fire again after firing—assuming cartridges remain in the weapon's feed device or magazine...

. Following a further reorganisation in 2005, SO19 become CO19, due to the department's move to the Central Operations Directorate
Central Operations
Central Operations is a major directorate of the London Metropolitan Police Service that provides operational support to the rest of the service...

, at the same time the department was renamed from the Force Firearms Unit
Firearms unit
A firearms unit is a specialised, armed unit within each territorial police force in the United Kingdom. For the most part, the police forces of the United Kingdom are unarmed; however, all have firearms units to provide the police force with the capability to deal with armed criminals...

 to Specialist Firearms Command.

Whilst the core function of the branch to provide firearms training and support, remains unchanged since its creation, its role continually changes to meet the demands placed on it. The branch today fulfills different roles than it did 30 years ago.

All aspects of armed policing in the UK are covered by guidance issued by the Association of Chief Police Officers
Association of Chief Police Officers
The Association of Chief Police Officers , established in 1948, is a private limited company that leads the development of policing practice in England, Wales and Northern Ireland.ACPO provides a forum for chief police officers to share ideas and coordinates the strategic...

 in their manual of guidance on the Police use of firearms. This manual provides an overview of the basic principles such as rules of engagement and tactics involved in the use of firearms by police officers in different environments along with details of command structures that are in place in all pre-planned and spontaneous firearms operations.

Training

As of 2007, the Command maintains its training role and is responsible for training the MPS's 2,594 AFOs. These include officers from Protection Command
Protection Command
The Protection Command is one of the three Commands within the Specialist Operations directorate of London's Metropolitan Police Service. Within the Command, there are two branches - Specialist Protection and Royalty Protection, who provides protective security to the government/diplomatic...

, Counter Terrorism Command
Counter Terrorism Command
Counter Terrorism Command or SO15 is a Specialist Operations branch within London's Metropolitan Police Service. Counter Terrorism Command was established as a result of the merging of the Anti-Terrorist Branch , and the Special Branch in 2006, to form a single counter-terrorism investigative unit...

, Diplomatic Protection Group
Diplomatic Protection Group
The Diplomatic Protection Group is a Specialist Operations branch of London's Metropolitan Police Service. The unit's main purpose is to provide specialist protection for diplomatic residencies in London, such as embassies, high commissions and consular sections...

, and the Aviation Security Operational Command Unit
Aviation Security Operational Command Unit
The Aviation Security Operational Command Unit is a Specialist Operations unit of London's Metropolitan Police Service. The unit is responsible for providing law enforcement and security for both Heathrow and London City airports...

. Along with the Flying Squad (SCD7(5)
Flying Squad
The Flying Squad is a branch of the Specialist Crime Directorate, within London's Metropolitan Police Service. The Squad's purpose is to investigate commercial armed robberies, along with the prevention and investigation of other serious armed crime...

, Specialist and Royalty Protection Command and the Belmarsh High Security Court Team, as well as the armed officers from CO19 itself. Some Territorial Support Group
Territorial Support Group
The Territorial Support Group is a Central Operations unit of London's Metropolitan Police Service consisting of 720 officers, that specialises in public order containment among other specialist policing. The TSG is a uniformed unit of the MPS that replaced the controversial Special Patrol Group...

 (TSG) officers are also trained AFOs, as the Central London TSG carry out armed anti-terrorist patrols known as Legion Patrols.

Authorised Firearms Officer
Authorised Firearms Officer
An Authorised Firearms Officer is a British police officer who has received training and authorisation to carry and use firearms. The designation is significant because within the United Kingdom, police officers do not routinely carry firearms...

s (AFOs), who are known to crew ARVs are invited to attend the Training Centre, after they have undergone the written tests and interviews along with the successful completion of their probationary period, with a further two years in a core policing role. The potential AFOs undergo one week of intensive training on the Glock 17 Pistol, and the Heckler & Koch MP5 Semi-Automatic Carbine. This is followed by a further six weeks of training focused on ARVs, such as driving techniques, high speed pursuit methods and safely executing controlled crashes.

AFOs wishing to become Specialist Firearms Officer
Specialist Firearms Officer
A Specialist Firearms Officer is a British Police officer who has undergone training in the use of police firearms, and therefore is authorised to carry and when necessary use a firearm to prevent an immediate threat to life. All SFOs first train as Authorised Firearms Officers which crew armed...

s (SFOs) are required to attend an eight week training course at the Metropolitan Police Specialist Training Centre. However, the potential recruit is only invited to attend the centre if they have successfully passed written psychological tests, and have been security cleared. Usually, the role of an SFO is to intervene in situations that are beyond the control of AFOs, who crew armed response vehicles. Potential SFOs are extensively trained on the safe use of specialist firearms, method of entry
Door breaching
Door breaching is a process used by military, police, or emergency services to force open closed and/or locked doors. A wide range of methods are available, one or more of which may be used in any given situation...

 techniques to gain access to premises quickly, abseiling and 'fast rope' skills, scenario training such as being instructed to search a specially adapted training area of an aircraft, extensive use of tear gas and stun grenades, safe handling of rescued hostages and rescue techniques, computer simulated 'war games' of potential threats such as terrorist attacks, and training in the use of protective clothing against chemical, biological or radiological
CBRN
CBRN is an initialism for chemical, biological, radiological, and nuclear. It is used to refer to situations in which any of these four hazards have presented themselves. The term CBRN is a replacement for the cold war term NBC , which had replaced the term ABC that was used in the fifties...

 attack.

Based at the purpose-built Metropolitan Police Specialist Training Centre (MPSTC), CO19 provides initial and continuation training for all firearms officers within the MPS. There are roughly 24 different courses that are provided by CO19 Instructors. Courses are based on the National Firearms Training Curriculum, to cover the variety of roles covered by AFOs in the MPS. The courses ranges from Firepower Demonstrations (to highlight the dangers of firearms to new MPS Recruits) and Initial Firearms Courses, to Firearms Incident Commander training and National Firearms Instructor courses. There were 683 courses run at MPSTC in the 2006-07 financial year.

Armed response vehicles

ARVs deployed for the first time in London, during 1991. Following their success, forces outside of the capital later formed them throughout the early to mid 1990s. The concept of an ARV was influenced by West Yorkshire Police
West Yorkshire Police
West Yorkshire Police is the territorial police force responsible for policing West Yorkshire in England. It is the fourth largest force in England and Wales by number of officers, with 5671 officers....

's Instant Response Cars, as used in 1976.

Early ARVs contained a secure safe between the seats containing a .38
.38 Special
The .38 Smith & Wesson Special is a rimmed, centerfire cartridge designed by Smith & Wesson. It is most commonly used in revolvers, although some semi-automatic pistols and carbines also use this round...

 Smith & Wesson
Smith & Wesson
Smith & Wesson is the largest manufacturer of handguns in the United States. The corporate headquarters is in Springfield, Massachusetts. Founded in 1852, Smith & Wesson's pistols and revolvers have become standard issue to police and armed forces throughout the world...

 Model 10 for each member, with two 9 mm
9 mm caliber
This article lists firearm cartridges which have a bullet in the caliber range. The most prevalent of these rounds is the 9x19mm Parabellum.*Length refers to the cartridge case length.*OAL refers to the overall length of the cartridge....

 Heckler & Koch MP5
Heckler & Koch MP5
The Heckler & Koch MP5 is a 9mm submachine gun of German design, developed in the 1960s by a team of engineers from the German small arms manufacturer Heckler & Koch GmbH of Oberndorf am Neckar....

 semi-automatic carbines
Semi-automatic firearm
A semi-automatic, or self-loading firearm is a weapon which performs all steps necessary to prepare the weapon to fire again after firing—assuming cartridges remain in the weapon's feed device or magazine...

 secured in the boot. After ARVs became established, and the practice was accepted for widespread use, the Model 10 revolver
Revolver
A revolver is a repeating firearm that has a cylinder containing multiple chambers and at least one barrel for firing. The first revolver ever made was built by Elisha Collier in 1818. The percussion cap revolver was invented by Samuel Colt in 1836. This weapon became known as the Colt Paterson...

s were replaced by more recent self-loading Glock 17s
Glock pistol
The Glock pistol, sometimes referred to by the manufacturer as Glock "Safe Action" Pistol, is a series of semi-automatic pistols designed and produced by Glock Ges.m.b.H., located in Deutsch-Wagram, Austria. The company's founder, engineer Gaston Glock, had no experience with firearm design or...

, firing 9 mm rounds.

Revolvers and pistols could be removed from the secure safe by ARV members, if an "immediate threat to life" was posed, in the opinion of the ARV member. Authorisation to remove carbines required authorisation from the control room once they had contacted an officer of ACPO
Association of Chief Police Officers
The Association of Chief Police Officers , established in 1948, is a private limited company that leads the development of policing practice in England, Wales and Northern Ireland.ACPO provides a forum for chief police officers to share ideas and coordinates the strategic...

 rank. If a high ranking officer could not be sought to gain authorisation, in an emergency it could be given by a Chief Inspector
Chief inspector
Chief inspector is a rank used in police forces which follow the British model. In countries outside Britain, it is sometimes referred to as chief inspector of police .-Australia:...

. In recent years ARV members have carried their personal pistols on them as a matter of routine, and equipping of carbines rests on the judgement of the individual officer, although the control room must be informed of events.
Each armed response vehicle is crewed by three uniformed AFOs. With each one fulfilling a specific role whilst responding to emergency calls believed to involve firearms, the driver is responsible for getting the crew to the scene in the fastest way possible, with regards to public safety. The navigator is responsible for deciding which route the ARV takes, with regards to road diversions and other factors. The observer is responsible for liaising with other services on the scene, and requesting more support if needed. Most ARVs are specially equipped and adapted BMW
BMW
Bayerische Motoren Werke AG is a German automobile, motorcycle and engine manufacturing company founded in 1916. It also owns and produces the Mini marque, and is the parent company of Rolls-Royce Motor Cars. BMW produces motorcycles under BMW Motorrad and Husqvarna brands...

 area cars, identified as an ARV by the circular yellow sticker the front and back windows, along with a star on the roof for helicopter identification.

All officers operationally deployed are routinely armed with the 9 mm Glock 17 self-loading pistol, and in some cases the X26 Taser
Taser
A Taser is an electroshock weapon that uses electrical current to disrupt voluntary control of muscles. Its manufacturer, Taser International, calls the effects "neuromuscular incapacitation" and the devices' mechanism "Electro-Muscular Disruption technology"...

. Despite carrying firearms, officers still carry the standard issue personal protective equipment (PPE) such as the; ASP baton
Baton (law enforcement)
A truncheon or baton is essentially a club of less than arm's length made of wood, plastic, or metal...

, Hiatt Speedcuffs and CS
CS gas
2-chlorobenzalmalononitrile is the defining component of a "tear gas" commonly referred to as CS gas, which is used as a riot control agent...

/PAVA
Nonivamide
Nonivamide, also called pelargonic acid vanillylamide or PAVA, is an organic compound and a capsaicinoid. It is an amide of pelargonic acid and vanillyl amine. It is present in chili peppers, but is commonly manufactured synthetically...

 Incapacitant spray. They also have access to 9 mm Heckler & Koch MP5
Heckler & Koch MP5
The Heckler & Koch MP5 is a 9mm submachine gun of German design, developed in the 1960s by a team of engineers from the German small arms manufacturer Heckler & Koch GmbH of Oberndorf am Neckar....

 semi-automatic carbine
Semi-automatic firearm
A semi-automatic, or self-loading firearm is a weapon which performs all steps necessary to prepare the weapon to fire again after firing—assuming cartridges remain in the weapon's feed device or magazine...

, and L104A1 Baton gun
Riot gun
A riot gun or less-lethal launcher is a type of firearm that is used to fire "non-lethal" ammunition for the purpose of suppressing riots. Less-lethal launchers may be special purpose firearms designed for riot control use, or standard firearms, usually shotguns and grenade launchers, adapted to...

. All ARV officers are trained to administer Ballistic First Aid and are Emergency Life Saver trained. In many instances, ARV crews can arrive at the scene of shooting before paramedics or ambulances, and are frequently required to provide life saving techniques on shooting victims.

The workload of the ARVs has increased dramatically since their inception. In their first year, 1991, they were actively deployed on 132 occasions. In 2006, they deployed 2,232 times in response to 11,725 calls to spontaneous firearms incidents. The average response time of an ARV anywhere in London is just 4 minutes. In the Metropolitan Police Service the radio call sign for ARV's is "Trojan" or "MP 413" as an example.

Tactical support teams

In 2004, tactical support teams (TSTs) were introduced and provide covert and overt proactive support to other specialist units, such as the Flying Squad
Flying Squad
The Flying Squad is a branch of the Specialist Crime Directorate, within London's Metropolitan Police Service. The Squad's purpose is to investigate commercial armed robberies, along with the prevention and investigation of other serious armed crime...

 or the Specialist Crime Directorate
Specialist Crime Directorate
The Specialist Crime Directorate is one of the main branches of the London Metropolitan Police Service. It deals with a wide range of criminality from murder to organised crime. Assistant Commissioner Cressida Dick is currently the head of the directorate...

 and to Borough Operations. Most of their work is on authorized pre-planned operations and much of it involves supporting surveillance as well as arrest and search operations. The TST role was introduced to help meet the increased demands being placed on the unit and to sit directly in-between the ARV and SFO roles. In the 2006/07 financial year, the TST teams undertook over 280 deployments.

Specialist Firearms Officers

The CO19 Specialist Firearms Officer
Specialist Firearms Officer
A Specialist Firearms Officer is a British Police officer who has undergone training in the use of police firearms, and therefore is authorised to carry and when necessary use a firearm to prevent an immediate threat to life. All SFOs first train as Authorised Firearms Officers which crew armed...

s (SFOs) are multi-skilled officers capable of delivering all elements of armed policing, including rapid intervention and hostage rescue. All of the SFOs have served on ARVs prior to applying to become an SFO. The 65 days of intensive initial training includes advanced weapons handling training on a wider range of weaponry, including the Heckler & Koch
Heckler & Koch
Heckler & Koch GmbH is a German defense manufacturing company that produces various small arms. Some of their products include the SA80, MP5 submachine gun, G3 automatic rifle, the G36 assault rifle, the HK 416, the MP7 personal defense weapon, the USP series of handguns, and the high-precision...

 G36
Heckler & Koch G36
The Heckler & Koch G36 is a 5.56×45mm assault rifle, designed in the early 1990s by Heckler & Koch in Germany as a replacement for the 7.62mm G3 battle rifle. It was accepted into service with the Bundeswehr in 1997, replacing the G3...

 and G3
Heckler & Koch G3
The G3 is a 7.62mm battle rifle developed in the 1950s by the German armament manufacturer Heckler & Koch GmbH in collaboration with the Spanish state-owned design and development agency CETME ....

, abseiling
Abseiling
Abseiling , rappelling in American English, is the controlled descent down a rock face using a rope; climbers use this technique when a cliff or slope is too steep and/or dangerous to descend without protection.- Slang terms :...

 techniques, maritime operations training, dynamic entry techniques and in the use of distraction devices. They also undergo training to conduct operations in CBRN (Chemical, Biological, Radiological and Nuclear) environments and to provide a response to terrorist attacks in London as part of the MPS's Operation Kratos
Operation Kratos
Operation Kratos referred to tactics developed by London's Metropolitan Police Service for dealing with suspected suicide bombers, most notably firing shots to the head without warning....

.

The SFO teams focus almost entirely on supporting authorised firearms operations and providing a response to developed sieges and other operations of a highly specialised nature. Their level of training, exposure and experience in dealing with such a wide range of armed incidents lead many to consider the CO19 SFOs to be one of the World's leading specialist armed police support units. The SFO teams undertook 407 deployments in the 2006/07 financial year.

External links

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