Armed response vehicle

An armed response vehicle (ARV) is a type of police car operated by police forces in the United Kingdom. ARVs are crewed by authorised firearms officers (AFOs) to respond to incidents believed to involve firearms or other high-risk situations. ARVs are specially adapted and modified to accommodate specialist equipment. Armed response vehicles were introduced to British police forces to provide them with a firearms response capability, as police in the United Kingdom (except Northern Ireland) do not routinely carry firearms on patrol, with the exception of a minority of armed officers. ARVs are identifiable in London by a yellow dot sticker, visible from each angle, and an asterisk on the roof to enable helicopters to identify the vehicle as being an ARV. Vehicles of the Metropolitan Police's Protection Command, identifiable by their red paintwork, use the same yellow dot markings to denote the carrying of firearms officers. ARVs were deployed officially for the first time in London, during 1991. An "unpublicised" ARV was deployed in the Brixton area after the riots and was operational in the 1980s, code name Lima Delta 53. This had the standard Smith & Wesson revolvers and was on patrol at all times. Following their success, forces outside of the capital later formed similar units during the early to mid-1990s. The concept of an ARV was influenced by West Yorkshire Police's instant response cars, as used from 1976. Early ARVs contained a secure safe between the seats containing a .38 Smith & Wesson Model 10 for each member, with two 9mm Heckler & Koch MP5 semi-automatic carbines secured in the boot. After ARVs became established and the practice was accepted for widespread use, the Model 10 revolvers were replaced by the semi-automatic Glock 17 handgun chambered in 9×19mm. In 2010, the Heckler & Koch G36C 5.56mm carbine was introduced in case of a Mumbai style terrorist attack. Revolvers and pistols could be removed from the secure safe by ARV members if, in a member's opinion, an immediate threat to life was posed.