Brimstone missile
Encyclopedia
Brimstone is an air-launched
Air-to-surface missile
An air-to-surface missile is a missile designed to be launched from military aircraft and strike ground targets on land, at sea, or both...

 anti-tank
Anti-tank guided missile
An anti-tank missile , anti-tank guided missile , anti-tank guided weapon or anti-armor guided weapon is a guided missile primarily designed to hit and destroy heavily-armored military vehicles....

 missile developed by MBDA
MBDA
MBDA is a missile developer and manufacturer with operations in France, Britain, Germany, Italy, and the United States. It was formed by a merger of Aérospatiale-Matra Missiles , Finmeccanica and Matra BAe Dynamics in December 2001. In 2003 the company had 10,000 employees...

 for Britain's Royal Air Force
Royal Air Force
The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

. It was originally intended for "fire and forget" use against mass formations of enemy armour, using a millimetre wave (mmW
MMW
MMW can refer to:* Medeski Martin & Wood, a jazz trio.* Malibu's Most Wanted, a parody on life in the ghettos of L.A.* Millimetre wave, electromagnetic radiation....

) seeker to ensure accuracy even against moving targets. Experience in Afghanistan led to the addition of laser guidance in the dual-mode Brimstone missile, allowing a "man in the loop" to pick out specific targets when friendly forces or civilians were in the area. The Tandem Shaped charge
Tandem-charge
A tandem-charge weapon is an explosive device or projectile that has two or more stages of detonation. It is effective against cage armor, which is designed to protect an armored vehicle against anti-tank munitions. The first stage of the weapon triggers the reactive armor of the target, limiting...

 warhead is much more effective against modern tanks than similar weapons such as the AGM-65G Maverick
AGM-65 Maverick
The AGM-65 Maverick is an air-to-ground tactical missile designed for close-air support. It is effective against a wide range of tactical targets, including armor, air defenses, ships, ground transportation and fuel storage facilities....

, whilst the small blast area minimises collateral damage
Collateral damage
Collateral damage is damage to people or property that is unintended or incidental to the intended outcome. The phrase is prevalently used as an euphemism for civilian casualties of a military action.-Etymology:...

. Three Brimstones are carried on a launcher that occupies a single weapon station, allowing a single aircraft to carry many missiles.

After a protracted development programme, single-mode Brimstone entered service with RAF Tornados in 2005, and the dual-mode variant in 2008. The latter has been extensively used in Afghanistan
Operation Herrick
Operation Herrick is the codename under which all British operations in the war in Afghanistan have been conducted since 2002. It consists of the British contribution to the NATO-led International Security Assistance Force and support to the US-led Operation Enduring Freedom...

 and Libya
Operation Ellamy
Operation Ellamy was the codename for the United Kingdom participation in the 2011 military intervention in Libya. The operation was part of an international coalition aimed at enforcing a Libyan no-fly zone in accordance with the United Nations Security Council Resolution 1973 which stipulated...

. The RAF intend to fit Brimstone to their Eurofighter Typhoon
Eurofighter Typhoon
The Eurofighter Typhoon is a twin-engine, canard-delta wing, multirole combat aircraft, designed and built by a consortium of three companies: EADS, Alenia Aeronautica and BAE Systems; working through a holding company, Eurofighter GmbH, which was formed in 1986...

s and planned to integrate it with their Harriers until they were withdrawn from service in 2010. MBDA are studying the use of Brimstone on attack helicopters, the F-35 Lightning II, UAVs and from surface launchers; both the US and France have expressed interest in buying it for their aircraft.

Design

The missile was originally supposed to be an evolution of the original laser Hellfire
AGM-114 Hellfire
The AGM-114 Hellfire is an air-to-surface missile developed primarily for anti-armor use. It has multi-mission, multi-target precision-strike capability, and can be launched from multiple air, sea, and ground platforms. The Hellfire missile is the primary 100 lb-class air-to-ground precision...

, with the laser seeker
Laser guidance
Laser guidance is a technique of guiding a missile or other projectile or vehicle to a target by means of a laser beam. Some laser guided systems utilise beam riding guidance, but most operate more similarly to semi-active radar homing . This technique is sometimes called SALH, for Semi-Active...

 replaced by a millimetre wave (mmW
MMW
MMW can refer to:* Medeski Martin & Wood, a jazz trio.* Malibu's Most Wanted, a parody on life in the ghettos of L.A.* Millimetre wave, electromagnetic radiation....

) seeker. During development, virtually the entire missile was redesigned, resulting in a weapon that - other than the external shape - bears no relation to the original airframe. It is unrelated to the separate development of the mmW
MMW
MMW can refer to:* Medeski Martin & Wood, a jazz trio.* Malibu's Most Wanted, a parody on life in the ghettos of L.A.* Millimetre wave, electromagnetic radiation....

 Hellfire for the Longbow Apache. The missile airframe is developed from Boeing's AGM-114 Hellfire
AGM-114 Hellfire
The AGM-114 Hellfire is an air-to-surface missile developed primarily for anti-armor use. It has multi-mission, multi-target precision-strike capability, and can be launched from multiple air, sea, and ground platforms. The Hellfire missile is the primary 100 lb-class air-to-ground precision...

, but Brimstone is an all-new design with its own motor, warhead and seeker.

Brimstone is a "fire and forget" missile, which is loaded with targeting data by the Weapon Systems Officer
Weapon systems officer
A Weapon Systems Officer is an air Flight Officer directly involved in all air operations and weapon systems of the fighter in the United States Navy. A Weapon Systems Officer ("WSO", pronounced "wizzo") is an air Flight Officer directly involved in all air operations and weapon systems of the...

 (WSO) prior to launch. Technically, it is programmable to adapt to particular mission requirements. This capability includes essentially the ability to find targets within a certain area (such as those near friendly forces), and to self-destruct
Self-destruct
A self-destruct is a mechanism which causes a device to destroy itself under a predefined set of circumstances.Self-destruct mechanisms are also found on devices and systems where malfunction could endanger large numbers of people...

 if it is unable to find a target within the designated area. This information is provided to the munition by the WSO from RAF ASTOR
Raytheon Sentinel
|-See also:-References:* Winchester, Jim. "Aircraft of the RAF Part 5 - Raytheon Sentinel R1". Air International, Volume 75 No.3, September 2008. pp.54-57.-External links:* * * *...

, USAF JSTARS aircraft or local troops.

Brimstone has a Tandem Shaped Charge (TSC)
Tandem-charge
A tandem-charge weapon is an explosive device or projectile that has two or more stages of detonation. It is effective against cage armor, which is designed to protect an armored vehicle against anti-tank munitions. The first stage of the weapon triggers the reactive armor of the target, limiting...

 warhead that employs a smaller initial charge, designed to initiate reactive armor, followed by a larger, more destructive charge, designed to penetrate and defeat the base armour. It has been estimated that Brimstone will be 3 times more effective than the AGM-65G Maverick missile against modern tanks, and 7 times more effective than the BL755 cluster bomb.

Sensors

In addition to the semi-autonomous ability to decide its own targets, the Brimstone has the capacity to determine where on a target to best impact causing the most damage or resulting in elimination of the target.
The missile's advanced sensor package includes its extremely high frequency
Extremely high frequency
Extremely high frequency is the highest radio frequency band. EHF runs the range of frequencies from 30 to 300 gigahertz, above which electromagnetic radiation is considered to be low infrared light, also referred to as terahertz radiation...

 millimetric wave radar, which allows the weapon to image the target and hence choose a target location. The bandwidth of the MMW radar also makes it less susceptible to inclement weather. With as many as twenty-four missiles in the air, the missile's targeting system also required an algorithm
Algorithm
In mathematics and computer science, an algorithm is an effective method expressed as a finite list of well-defined instructions for calculating a function. Algorithms are used for calculation, data processing, and automated reasoning...

 to ensure that missiles hit their targets in a staggered order, rather than all simultaneously.

Launch system

Each launch system incorporates three rails, i.e. one system carries three missiles. This allows a single aircraft to carry large numbers of missiles, for example a Typhoon
Eurofighter Typhoon
The Eurofighter Typhoon is a twin-engine, canard-delta wing, multirole combat aircraft, designed and built by a consortium of three companies: EADS, Alenia Aeronautica and BAE Systems; working through a holding company, Eurofighter GmbH, which was formed in 1986...

 could carry up to six launch systems on six individual pylons, which gives a maximum payload of eighteen Brimstone missiles, in addition to a useful air-to-air
Air-to-air missile
An air-to-air missile is a missile fired from an aircraft for the purpose of destroying another aircraft. AAMs are typically powered by one or more rocket motors, usually solid fuelled but sometimes liquid fuelled...

 payload. The missile is carried by the Tornado GR4 in RAF service and is intended for the Eurofighter Typhoon
Eurofighter Typhoon
The Eurofighter Typhoon is a twin-engine, canard-delta wing, multirole combat aircraft, designed and built by a consortium of three companies: EADS, Alenia Aeronautica and BAE Systems; working through a holding company, Eurofighter GmbH, which was formed in 1986...

 as part of the SRP14 upgrade in 2014, but no contract has been signed yet for integration on the Typhoon. As of 2010 MBDA was investigating the use of Brimstone from attack helicopters, the F-35 Lightning II, unmanned aircraft systems and surface launchers.

It was intended that Brimstone would be integrated on the RAF Harrier fleet under Capability D of the JUMP programme with a scheduled in-service date of 2009. A Harrier GR9 first flew with 12 Brimstone on 14 February 2007, and the RAF released video of a Tornado (incorrectly reported as a Harrier) using a Dual Mode Brimstone against an Afghan insurgent in 2008. In late 2009 Brimstone was "nearing completion for integration on the Harrier" but in July 2010 it was reported that Brimstone on the Harrier would be postponed until the insensitive-munition version of the missile became available in 2012. Brimstone had not been officially cleared for use on the type when the UK Harriers were withdrawn from service in late 2010.

Development

The missile was designed to meet the RAF's
Royal Air Force
The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

 requirement for a long range anti-armour weapon, allowing strike aircraft to attack tanks and armoured vehicles at stand-off range, replacing the BL755
BL755
BL755 is a cluster bomb. Its primary targets are armored vehicles and tanks with secondary soft target capabilities.-Design:The BL755 looks like a standard 1,000 lb general purpose bomb but with a hard "saddle" on the spine for ejector release and crutching pad loads and a distinctive large...

 cluster bomb
Cluster bomb
A cluster munition is a form of air-dropped or ground-launched explosive weapon that releases or ejects smaller sub-munitions. Commonly, this is a cluster bomb that ejects explosive bomblets that are designed to kill enemy personnel and destroy vehicles...

. This requirement was issued following an assessment of the British military's performance in the Gulf War
Gulf War
The Persian Gulf War , commonly referred to as simply the Gulf War, was a war waged by a U.N.-authorized coalition force from 34 nations led by the United States, against Iraq in response to Iraq's invasion and annexation of Kuwait.The war is also known under other names, such as the First Gulf...

. GEC-Marconi (whose missile interests now form part of MBDA) was originally awarded the contract on 7 November 1996.

The programme ended up nearly 3 years late. The first ground firing of the Brimstone missile occurred in August 1999, followed by the first air-launched firing Tornado GR4 in September 2000. Clearance of the missile was delayed by 12 months due to the unavailability of a Tornado trials aircraft, as the RAF chose instead to rush the development of the Storm Shadow
Storm Shadow
Storm Shadow is a British, French and Italian air-launched cruise missile, manufactured by MBDA. Storm Shadow is the British name for the weapon; in French service it is called SCALP EG...

 ahead of the Iraq war, but another delay of 6 months was due to the missile hitting the aircraft as it was released. Over 2000 missiles were produced.

The original Brimstone could not be used in Afghanistan as the Rules of Engagement
Rules of engagement
Rules of Engagement refers to those responses that are permitted in the employment of military personnel during operations or in the course of their duties. These rules of engagement are determined by the legal framework within which these duties are being carried out...

 required a "man-in-the-loop". Under an Urgent Operational Requirement
Urgent Operational Requirement
An Urgent Operational Requirement is a system used by the British Ministry of Defence to obtain urgent equipment for operations.Supplementing the MOD's long term planned equipment programme are Urgent Operational Requirements , funded by extra Treasury money to provide the fast equipment...

 in 2008, modifications were made to the seeker and software of over 300 existing missiles to create Dual-Mode Brimstone. The new missiles can be laser guided according to the STANAG 3733 standard as well as retaining the millimetre wave seeker; the pilot can select either mode from the cockpit or use both simultaneously. Laser guidance allows specific enemy targets to be picked out in cluttered environments, the mmW radar ensures accuracy against moving targets.

The development and procurement of the original single-mode missiles cost £370m, a figure inflated by accounting charges relating to the delays. The development of the dual-mode version cost an additional £10m. The Daily Telegraph reports that the dual mode missiles cost £105,000 (~US$170,000), which is comparable to the cost of the AGM-65 Maverick; the MoD quote only a gross book value of £175,000, which includes development costs as well as the purchase cost of the missile.

In March 2010 Brimstone was selected as the basis for the RAF's requirement for Selective Precision Effects At Range (SPEAR) Capability 2 Block 1. The Demonstration and Manufacture (D&M) contract will increase the missile's performance "significantly", make the airframe modular, and convert the warhead and motor to use insensitive munitions
Insensitive munitions
Insensitive munitions are munitions that are chemically stable enough to withstand mechanical shocks, fire, and impact by shrapnel, but that can still explode as intended to destroy their targets.-Description:...

. The upgraded missiles will start flight testing at BAE Warton in 2011 and are expected to enter service in 2012. At the same time MBDA were awarded an Assessment Phase contract for SPEAR Capability 3 (formerly SPEAR Drop 2). This requires a 75 miles (120.7 km) range missile with a 100 kilograms (220.5 lb) warhead to be integrated onto the F-35 Lightning II, and may use some modules from Brimstone.

Operational use

In March 2005, Brimstone entered service with No. 31 Squadron RAF
No. 31 Squadron RAF
No. 31 Squadron of the Royal Air Force, known as the 'Goldstars', currently operates the Tornado GR4 from RAF Marham, Norfolk.-History:The squadron was formed at Farnborough on October 11, 1915. Its first deployment was to Risulpur, India with its BE2Cs and Farmans, and during this time it took...

. Full Operational Capability (FOC) was declared for the Tornado GR4 in December 2005

The first operational sortie of dual-mode Brimstone was over Iraq as part of Operation TELIC
Operation Telic
Operation TELIC was the codename under which all British military operations in Iraq were conducted between the start of the Invasion of Iraq on 19 March 2003 and the withdrawal of the last remaining British forces on 22 May 2011...

 on 18 December 2008 by a Tornado GR4 of IX(B) Squadron. It was first fired in combat in June 2009, the month that the Tornado GR4's of 12 Squadron
No. 12 Squadron RAF
No. 12 Squadron of the Royal Air Force currently operates the Tornado GR4 from RAF Lossiemouth.-History:No. 12 Squadron Royal Flying Corps was formed in February 1915 from a flight of No. 1 Squadron RFC at Netheravon. The squadron moved to France in September 1915 and operated a variety of aircraft...

 arrived in Afghanistan as part of Operation HERRICK
Operation Herrick
Operation Herrick is the codename under which all British operations in the war in Afghanistan have been conducted since 2002. It consists of the British contribution to the NATO-led International Security Assistance Force and support to the US-led Operation Enduring Freedom...

.

Brimstone was used extensively during Operation ELLAMY
Operation Ellamy
Operation Ellamy was the codename for the United Kingdom participation in the 2011 military intervention in Libya. The operation was part of an international coalition aimed at enforcing a Libyan no-fly zone in accordance with the United Nations Security Council Resolution 1973 which stipulated...

 over Libya in 2011. According to a British Ministry of Defence News report, dated 26 March 2011, RAF Tornado GR4 aircraft launched a number of Brimstone missiles over the towns of Misrata and Ajdabiya destroying a total of five armoured vehicles belonging to the Gaddafi regime. 60 Brimstone were fired in the first four weeks of the Libya campaign, out of 110 Brimstone fired in all operations up to that time. This prompted the MoD to ask MBDA to convert more missiles to the dual-mode version.

Export sales

£10m-worth of Brimstones from the RAF stock were sold to the Royal Saudi Air Force for use on their Tornados. In April 2011, the RAF's Assistant Chief of the Air Staff Air Vice Marshal Baz North reported that the missiles were "being sought by both the United States of America and the French" in the light of Brimstone's success in Libya. France's DGA procurement agency held meetings in late May 2011 to discuss a lightweight air-to-surface weapon for the Dassault Rafale
Dassault Rafale
The Dassault Rafale is a French twin-engine delta-wing multi-role jet fighter aircraft designed and built by Dassault Aviation. Introduced in 2000, the Rafale is being produced both for land-based use with the French Air Force and for carrier-based operations with the French Navy...

; Stéphane Reb of the DGA would merely say that "Brimstone is a solution, but it's not the only option".

Specification

  • Length: 1.8 m
  • Diameter: 17.8 cm
  • Weight: 48.5 kg
  • Range: 20+ km
  • Speed: Supersonic
  • Control: Aerodynamic surfaces on missile
  • Propulsion: Solid-rocket
  • Guidance: 94 GHz Millimetric wave radar (MMW) & digital autopilot
  • Warhead: HEAT
    High explosive anti-tank
    High explosive anti-tank warheads are made of an explosive shaped charge that uses the Munroe effect to create a very high-velocity partial stream of metal in a state of superplasticity that can punch through solid armor....

     tandem warhead - initial charge triggers reactive armour
    Reactive armour
    Reactive armour is a type of vehicle armour that reacts in some way to the impact of a weapon to reduce the damage done to the vehicle being protected. It is most effective in protecting against shaped charges and specially hardened long rod penetrators...

     followed by the main high explosive anti-tank shaped charge
    Shaped charge
    A shaped charge is an explosive charge shaped to focus the effect of the explosive's energy. Various types are used to cut and form metal, to initiate nuclear weapons, to penetrate armor, and in the oil and gas industry...

     jet
  • Fuze: Crush fuze
    Fuze
    Fuze Beverage, commercially referred to as just Fuze , is a manufacturer of teas and non-carbonated fruit drinks enriched with vitamins. Currently the brand consists of five vitamin-infused lines: Slenderize, Refresh, Tea, Defensify, and Vitalize...

     (detonation on impact)

See also

  • AGM-65 Maverick
    AGM-65 Maverick
    The AGM-65 Maverick is an air-to-ground tactical missile designed for close-air support. It is effective against a wide range of tactical targets, including armor, air defenses, ships, ground transportation and fuel storage facilities....

  • AGM-169 Joint Common Missile
  • Helina
  • Nimrod (missile)
    Nimrod (missile)
    Nimrod is a long-range air-to-surface and surface-to-surface missile developed by Israel Aerospace Industries. While primarily designed for anti-tank use, it provides standoff strike capability against a variety of point targets such as APCs, ships, bunkers, personnel concentrations and...

  • PARS 3 LR

External links

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