AIM-9 Sidewinder
Encyclopedia
The AIM-9 Sidewinder is a heat-seeking
Infrared homing
Infrared homing refers to a passive missile guidance system which uses the emission from a target of electromagnetic radiation in the infrared part of the spectrum to track and follow it. Missiles which use infrared seeking are often referred to as "heat-seekers", since infrared is just below the...

, short-range, air-to-air missile
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...

 carried mostly by fighter aircraft
Fighter aircraft
A fighter aircraft is a military aircraft designed primarily for air-to-air combat with other aircraft, as opposed to a bomber, which is designed primarily to attack ground targets...

 and recently, certain gunship helicopters
Attack helicopter
An attack helicopter is a military helicopter with the primary role of an attack aircraft, with the capability of engaging targets on the ground, such as enemy infantry and armored vehicles...

. The missile entered service with United States Air Force
United States Air Force
The United States Air Force is the aerial warfare service branch of the United States Armed Forces and one of the American uniformed services. Initially part of the United States Army, the USAF was formed as a separate branch of the military on September 18, 1947 under the National Security Act of...

 in the early 1950s, and variants and upgrades remain in active service with many air forces after five decades. When a Sidewinder missile is being launched, NATO pilots use the brevity code
Brevity code
Multiservice tactical brevity codes are codes used by various military forces. The codes procedure words, a type of voice procedure, are designed to convey complex information with a few words.-American/NATO codes:...

 Fox Two
Fox (code word)
Fox is a brevity code used by NATO pilots to signal the simulated or actual release of an air-to-air munition or other combat function. Army aviation elements may use a different nomenclature, as the nature of helicopter fired weapons is almost always air-to-surface. 'Fox' is short for 'foxtrot',...

in radio communication, as with all "heat-seeking" missiles.

The Sidewinder is the most widely used missile in the West, with more than 110,000 missiles produced for the U.S. and 27 other nations, of which perhaps one percent have been used in combat. It has been built under license by some other nations including Sweden. The AIM-9 is one of the oldest, least expensive, and most successful air-to-air missiles, with an estimated 270 kills worldwide to date.

The missile was designed to be simple to upgrade. It has been said that the design goals for the original Sidewinder were to produce a reliable and effective missile with the "electronic complexity of a table model radio and the mechanical complexity of a washing machine"—goals which were well accomplished in the early missiles. The United States Navy hosted a 50th anniversary celebration of its existence in 2002. Boeing won a contract in March 2010 to support Sidewinder operations through 2055, guaranteeing that the weapons system will remain in operation until at least that date. Air Force Spokeswoman Stephanie Powell noted that due to its relative low cost, versatility, and reliability it is "very possible that the Sidewinder will remain in Air Force inventories through the late 21st century."

Sidewinder is the common name of Crotalus cerastes
Crotalus cerastes
Crotalus cerastes is a venomous pitviper species found in the desert regions of the southwestern United States and northwestern Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...

, a venomous rattlesnake
Rattlesnake
Rattlesnakes are a group of venomous snakes of the genera Crotalus and Sistrurus of the subfamily Crotalinae . There are 32 known species of rattlesnake, with between 65-70 subspecies, all native to the Americas, ranging from southern Alberta and southern British Columbia in Canada to Central...

 which uses infrared sensory organs to hunt warm-blooded prey. Early versions of the missile tended to perform zig-zagging course corrections during the early part of their flight path, following a trajectory that resembled the sidewinding motion of the snake.

Early development

The development of the Sidewinder missile began in 1946 at the Naval Ordnance Test Station (NOTS), Inyokern, California, now the Naval Air Weapons Station China Lake
Naval Air Weapons Station China Lake
- About : is part of under Commander, Navy Installation Command and is located in the Western Mojave Desert region of California, approximately north of Los Angeles. Occupying three counties – Kern, San Bernardino and Inyo – the installation’s closest neighbors are the cities of Ridgecrest,...

, California as an in-house research project conceived by William B. McLean
William B. McLean
William Burdette McLean was a United States Navy physicist, who conceived and developed the heat-seeking Sidewinder missile. The Sidewinder was the first truly effective air-to-air missile; its variants and upgrades are still in active service....

. McLean initially called his effort "Local Fuze Project 602" using laboratory funding, volunteer help and fuze funding to develop what it called a heat-homing rocket. It did not receive official funding until 1951 when the effort was mature enough to show to Admiral William "Deak" Parsons, the Deputy Chief of the Bureau of Ordnance
Bureau of Ordnance
The Bureau of Ordnance was the U.S. Navy's organization responsible for the procurement, storage, and deployment of all naval ordnance, between the years 1862 and 1959.-History:...

 (BuOrd). It subsequently received designation as a program in 1952. The Sidewinder introduced several new technologies that made it simpler and much more reliable than its United States Air Force
United States Air Force
The United States Air Force is the aerial warfare service branch of the United States Armed Forces and one of the American uniformed services. Initially part of the United States Army, the USAF was formed as a separate branch of the military on September 18, 1947 under the National Security Act of...

 (USAF) counterpart, the AIM-4 Falcon
AIM-4 Falcon
The Hughes AIM-4 Falcon was the first operational guided air-to-air missile of the United States Air Force.-Development:Development of a guided air-to-air missile began in 1946. Hughes Aircraft was awarded a contract for a subsonic missile under the project designation MX-798, which soon gave way...

, under development during the same period. After disappointing experiences with the Falcon in the Vietnam War
Vietnam War
The Vietnam War was a Cold War-era military conflict that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. This war followed the First Indochina War and was fought between North Vietnam, supported by its communist allies, and the government of...

, the Air Force replaced its Falcons with Sidewinders.

The Sidewinder incorporated a number of innovations over the independently developed World War II German Missile Enzian
Enzian
The Enzian was a German WWII surface-to-air anti-aircraft missile that was the first to use an infrared guidance system...

's "Madrid" IR range fuze that enabled it to be successful. The first innovation was to replace the "steering" mirror with a forward-facing mirror rotating around a shaft pointed out the front of the missile. The detector was mounted in front of the mirror. When the long axis of the mirror, the missile axis and the line of sight to the target all fell in the same plane, the reflected rays from the target reached the detector (provided the target was not very far off axis). Therefore, the angle of the mirror at the instant of detection estimated the direction of the target in the roll axis of the missile.

The yaw/pitch direction of the target depended on how far to the outer edge of the mirror the target was. If the target was further off axis, the rays reaching the detector would be reflected from the outer edge of the mirror. If the target was closer on axis, the rays would be reflected from closer to the centre of the mirror. Rotating on a fixed shaft, the mirror's linear speed was higher at the outer edge. Therefore if a target was further off-axis its "flash" in the detector occurred for a briefer time, or longer if it was closer to the center. The off-axis angle could then be estimated by the duration of the reflected pulse of infrared.

The Sidewinder also included a dramatically improved guidance algorithm. The Enzian attempted to fly directly at its target, feeding the direction of the telescope into the control system as it if were a joystick. This meant the missile always flew directly at its target, and under most conditions would end up behind it, "chasing" it down. This meant that the missile had to have enough of a speed advantage over its target that it did not run out of fuel during the interception.

The Sidewinder is not guided on the actual position recorded by the detector, but on the change in position since the last sighting. So if the target remained at 5 degrees left between two rotations of the mirror, the electronics would not output any signal to the control system. Consider a missile fired at right angles to its target; if the missile is flying at the same speed as the target it should "lead" it by 45 degrees, flying to an impact point far in front of where the target was when it was fired. If the missile is traveling four times the speed of the target, it should follow an angle about 11 degrees in front. In either case, the missile should keep that angle all the way to interception, which means that the angle that the target makes against the detector is constant. It was this constant angle that the Sidewinder attempted to maintain. This "proportional pursuit
Proportional navigation
Proportional navigation is a guidance law used in some form or another by most homing air target missiles. It is based on the fact that two vehicles are on a collision course when their direct Line-of-Sight does not change direction...

" system is very easy to implement, yet it offers high-performance lead calculation almost for free and can respond to changes in the target's flight path, which is much more efficient and makes the missile "lead" the target.

However this system also requires the missile to have a fixed roll axis orientation. If the missile spins at all, the timing based on the speed of rotation of the mirror is no longer accurate. Correcting for this spin would normally require some sort of sensor to tell which way is "down" and then adding controls to correct it. Instead, small control surfaces were placed at the rear of the missile with spinning disks on their outer surface; these are known as rolleron
Rolleron
A rolleron is a type of aileron used for rockets, placed at the trailing end of each fin, and used for passive stabilization against rotation. Inherent to the rolleron is a metal wheel with notches along the circumference. On one side, the notches protrude into the airflow. During flight, this will...

s. Airflow over the disk spins them to a high speed. If the missile starts to roll, the gyroscopic force of the disk drives the control surface into the airflow, cancelling the motion. Thus the Sidewinder team replaced a potentially complex control system with a simple mechanical solution.

Flight test and service introduction

A prototype Sidewinder, the XAAM-N-7 (later AIM-9A), was first fired successfully in September 1953. The initial production version, designated AAM-N-7 (later AIM-9B), entered operational use in 1956, and has been improved upon steadily since.

Combat introduction

The first combat use of the Sidewinder was on September 24, 1958 with the air force
Republic of China Air Force
The Republic of China Air Force is the aviation branch of the Republic of China Armed Forces. The ROCAF's primary mission is the defense of the airspace over and around Taiwan...

 of the Republic of China
Republic of China
The Republic of China , commonly known as Taiwan , is a unitary sovereign state located in East Asia. Originally based in mainland China, the Republic of China currently governs the island of Taiwan , which forms over 99% of its current territory, as well as Penghu, Kinmen, Matsu and other minor...

 (Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

), during the Second Taiwan Strait Crisis
Second Taiwan Strait Crisis
The Second Taiwan Strait Crisis, also called the 1958 Taiwan Strait Crisis, was a conflict that took place between the People's Republic of China and the Republic of China governments in which the PRC shelled the islands of Matsu and Quemoy in the Taiwan Strait in an attempt to seize them from...

. During that period of time, ROC F-86 Sabre
F-86 Sabre
The North American F-86 Sabre was a transonic jet fighter aircraft. Produced by North American Aviation, the Sabre is best known as America's first swept wing fighter which could counter the similarly-winged Soviet MiG-15 in high speed dogfights over the skies of the Korean War...

s were routinely engaged in air battles with the People's Republic of China
People's Republic of China
China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...

 over the Taiwan Strait
Taiwan Strait
The Taiwan Strait or Formosa Strait, formerly known as the Black Ditch, is a 180-km-wide strait separating Mainland China and Taiwan. The strait is part of the South China Sea and connects to East China Sea to the northeast...

. The PRC MiG-17s
Mikoyan-Gurevich MiG-17
The Mikoyan-Gurevich MiG-17 is a high-subsonic fighter aircraft produced in the USSR from 1952 and operated by numerous air forces in many variants. Most MiG-17 variants cannot carry air-to-air missiles, but shot down many aircraft with its cannons...

 had higher altitude ceiling performance and in similar fashion to Korean War encounters between the F-86 and earlier MiG-15, the PRC formations cruised above the ROC Sabres, immune to their .50 cal weaponry and only choosing battle when conditions favored them. In a highly secret effort, United States provided a few dozen Sidewinders to ROC forces and a team to modify their Sabres to carry the Sidewinder. In the first encounter on 24 September 1958, the Sidewinders were used to ambush the MiG-17s as they flew past the Sabres thinking they were invulnerable to attack. The MiGs broke formation and descended to the altitude of the Sabres in swirling dogfights.

Compromised technology

The Taiwan Strait battles inadvertently produced a new derivative of Sidewinder: shortly after that conflict the Soviet Union
Soviet Union
The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

 began the manufacture of the K-13/R-3S
Vympel K-13
The K-13 is an short-range, infrared homing air-to-air missile developed by the Soviet Union. It is similar in appearance and function to the American AIM-9 Sidewinder from which it was reverse-engineered...

 missile (NATO reporting name
NATO reporting name
NATO reporting names are classified code names for military equipment of the Eastern Bloc...

 AA-2 'Atoll'), a reverse-engineered copy of the Sidewinder. It was made possible after a Taiwanese AIM-9B hit a Chinese Communist MiG-17 without exploding, the missile lodging itself in the airframe of the MiG after which the pilot was able to bring both plane and missile back to base. According to Ron Westrum in his book "Sidewinder", the Soviets obtained the plans for Sidewinder from a Swedish Colonel, Stig Wennerström, and rushed their version into service by 1961 copying it so closely that even the part numbers were duplicated, although none of the known Soviet sources mention this. Years later, Soviet engineers would admit that the captured Sidewinder served as a "university course" in missile design and substantially improved Soviet and allied air-to-air capabilities. The K-13 and its derivatives remained in production for nearly 30 years. In the 1960s, the possession of the K-13 in the Soviet arsenal caused major changes in the USAF bombing tactics, forcing bombers from high-altitudes down to lower levels, below enemy radar coverage. In 1972 when Finnish Air Force
Finnish Air Force
The Finnish Air Force is one of the branches of the Finnish Defence Forces. Its peacetime tasks are airspace surveillance, identification flights, and production of readiness formations for wartime conditions...

 started using Sidewinder (AIM-9P) in their Saab 35 Draken fighters, they were already using Soviet -made Atoll
Vympel K-13
The K-13 is an short-range, infrared homing air-to-air missile developed by the Soviet Union. It is similar in appearance and function to the American AIM-9 Sidewinder from which it was reverse-engineered...

 in their MiG-21s; Finns found the two so similar that they tested Sidewinders in MiGs and Atolls in Drakens.

USAF adoption

Although originally developed for the USN and a competitor to the USAF AIM-4 Falcon
AIM-4 Falcon
The Hughes AIM-4 Falcon was the first operational guided air-to-air missile of the United States Air Force.-Development:Development of a guided air-to-air missile began in 1946. Hughes Aircraft was awarded a contract for a subsonic missile under the project designation MX-798, which soon gave way...

, the Sidewinder was subsequently introduced into USAF service when DoD directed that the F-4 Phantom be adopted by the USAF. The Air Force originally borrowed F-4B model Phantoms, which were equipped with AIM-9B Sidewinders as the short-range armament. The first production USAF Phantoms were the F-4C model, which carried the AIM-9B Sidewinder. The Air Force opted to carry only AIM-4 Falcon on their F-4D model Phantoms introduced to Vietnam service in 1967, but disappointment with combat use of the Falcon led to a crash effort to reconfigure the F-4D so that it could carry Sidewinders. The USAF nomenclature for the Sidewinder was the GAR-8 (later AIM-9E). During the 1960s the USN and USAF pursued their own separate versions of the Sidewinder, but cost considerations later forced the development of common variants beginning with the AIM-9L.

Continued evolution

The Sidewinder subsequently evolved through a series of upgraded versions with newer, more sensitive seekers with various types of cooling and various propulsion, fuse
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...

, and warhead improvements. Although each of those versions had various seeker, cooling, and fusing differences, all but one shared infrared homing. The exception was the U.S. Navy AAM-N-7 Sidewinder IB (later AIM-9C), a Sidewinder with a semi-active radar homing
Semi-active radar homing
Semi-active radar homing, or SARH, is a common type of missile guidance system, perhaps the most common type for longer-range air-to-air and surface-to-air missile systems. The name refers to the fact that the missile itself is only a passive detector of a radar signal – provided by an external ...

 seeker head developed for the F-8 Crusader
F-8 Crusader
The Vought F-8 Crusader was a single-engine, supersonic, carrier-based air superiority jet aircraft built by Vought for the United States Navy and the U.S. Marine Corps, replacing the Vought F7U Cutlass...

. Only about 1,000 of these weapons were produced, many of which were later rebuilt as the AGM-122 Sidearm
AGM-122 Sidearm
The AGM-122 Sidearm was an American air-to-surface anti-radiation missile.-Development:The AGM-122 Sidearm was produced by the re-manufacture of AIM-9C missiles which had been taken out of service. The AIM-9C was a semi-active radar homing variant of the Sidewinder, developed for the US Navy's...

 anti-radiation missile
Anti-radiation missile
An anti-radiation missile is a missile which is designed to detect and home on an enemy radio emission source. Typically these are designed for use against an enemy radar, although jammers and even radios used for communication can also be targeted in this manner.- Air-to-Ground :Most ARM designs...

.

Vietnam influence on Sidewinder development

When air combat started over North Vietnam in 1965, Sidewinder was the standard short range missile carried by the US Navy on its F-4 Phantom and F-8 Crusader
F-8 Crusader
The Vought F-8 Crusader was a single-engine, supersonic, carrier-based air superiority jet aircraft built by Vought for the United States Navy and the U.S. Marine Corps, replacing the Vought F7U Cutlass...

 fighters and could be carried on the A-4 Skyhawk
A-4 Skyhawk
The Douglas A-4 Skyhawk is a carrier-capable ground-attack aircraft designed for the United States Navy and United States Marine Corps. The delta winged, single-engined Skyhawk was designed and produced by Douglas Aircraft Company, and later McDonnell Douglas. It was originally designated the A4D...

 and on the A-7 Corsair for self-defense. The Air Force also used the Sidewinder on its F-4C Phantoms and when MiGs began challenging strike groups, the F-105 Thunderchief
F-105 Thunderchief
The Republic F-105 Thunderchief, was a supersonic fighter-bomber used by the United States Air Force. The Mach 2 capable F-105 conducted the majority of strike bombing missions during the early years of the Vietnam War; it has the dubious distinction of being the only US aircraft to have been...

 also carried the Sidewinder for self-defense. Performance of the Sidewinder and the AIM-7 Sparrow
AIM-7 Sparrow
The AIM-7 Sparrow is an American, medium-range semi-active radar homing air-to-air missile operated by the United States Air Force, United States Navy and United States Marine Corps, as well as various allied air forces and navies. Sparrow and its derivatives were the West's principal beyond visual...

 was not as satisfactory as hoped and both the Navy and Air Force studied their performance of their aircrews, aircraft, weapons and training as well as supporting infrastructure. The Air Force conducted the classified Red Baron Report while the Navy conducted a study concentrating primarily on performance of air-to-air weapons that was unofficially called and better known as the "Ault Report
Ault Report
The "Ault Report", or more formally the Air-to-Air Missile System Capability Review, was a sweeping study of US Navy air-to-air missile performance during the period of 1965 to 1968, conducted by Navy Captain Frank Ault. The study was initiated at the behest of Admiral Tom Moorer, Chief of Naval...

". The impact of both was modifications to the Sidewinder by both services to improve its ability to perform in the demanding air-to-air arena and increase reliability.

Navy AIM-9D/G/H

The Navy Sidewinder design progression went from the early production B model to the D model that was used extensively in Vietnam. The G and H models followed with new forward canard
Canard (aeronautics)
In aeronautics, canard is an airframe configuration of fixed-wing aircraft in which the forward surface is smaller than the rearward, the former being known as the "canard", while the latter is the main wing...

 design improving ACM performance and expanded acquisition modes and improved envelopes. The "Hotel" model followed shortly after the "Golf" and featured a solid state design that improved reliability in the carrier environment where shock from catapult launches and arrested landings had a deteriorating effect on the earlier vacuum tube designs. The Ault report had a strong impact on Sidewinder design, manufacture, and handling.

Air Force AIM-9E/J/N/P

Once the Air Force adopted the Sidewinder as part of its arsenal, it developed the AIM-9E, introducing it in 1967. The "Echo" was an improved version of the basic AIM-9B featuring larger forward canards as well as a more aerodynamic IR seeker and an improved rocket motor. The missile, however still had to be fired at the rear quarter of the target, a drawback of all early IR missiles. Significant upgrades were applied to the first true dogfight version, the AIM-9J, which was rushed to the South-East Asia Theatre in July 1972 during the Linebacker
Operation Linebacker
Operation Linebacker was the title of a U.S. Seventh Air Force and U.S. Navy Task Force 77 aerial interdiction campaign conducted against the Democratic Republic of Vietnam from 9 May to 23 October 1972, during the Vietnam War....

 campaign, in which many aerial encounters with North Vietnamese MiGs occurred. The Juliet model could be launched at up to 7.5g (/s²) and introduced the first solid state components and improved actuators capable of delivering 90 lb·ft (120 N·m
Newton metre
A newton metre is a unit of torque in the SI system. The symbolic form is N m or N·m, and sometimes hyphenated newton-metre...

) torque to the canards, thereby improving dogfight prowess. In 1973, Ford began production of an enhanced AIM-9J-1, which was later redesignated the AIM-9N. The AIM-9J was widely exported. The J/N evolved into the P series, with five versions being produced (P1 to P5) including such improvements as new 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...

s, reduced-smoke rocket motors, and all-aspect capability on the latest P4 and P5. BGT in Germany has developed a conversion kit for upgrading AIM-9J/N/P guidance and control assemblies to the AIM-9L standard, and this is being marketed as AIM-9JULI. The core of this upgrade is the fitting of the DSQ-29 seeker unit of the AIM-9L, replacing the original J/N/P seeker to give improved capabilities.

AIM-9L

The next major advance in IR Sidewinder development was the AIM-9L ("Lima") model, introduced in 1978. This was the first "all-aspect
All-aspect
An all-aspect missile is one which is able to track a target no matter which way the target faces relative to the missile. In other words, an all-aspect missile can be launched against a target in a tail-chase engagement, in a head-on engagement, in a side-on engagement, from above, from below,...

" Sidewinder with the ability to attack from all directions, including head-on, which had a dramatic effect on close in combat tactics. Its first combat use was by the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 during the 1982 Falklands War
Falklands War
The Falklands War , also called the Falklands Conflict or Falklands Crisis, was fought in 1982 between Argentina and the United Kingdom over the disputed Falkland Islands and South Georgia and the South Sandwich Islands...

, the "Lima" reportedly achieved a kill ratio of around 80%, a dramatic improvement over the 10-15% levels of earlier versions scoring 17 and 2 shared kills against Argentine aircraft. On that same year but over Lebanon's Bekaa Valley, 51 out of the 55 Syrian-flown MiGs shot down were hit by Israeli Air Force
Israeli Air Force
The Israeli Air Force is the air force of the State of Israel and the aerial arm of the Israel Defense Forces. It was founded on May 28, 1948, shortly after the Israeli Declaration of Independence...

 Sidewinders.

In both combat uses of AIM-9L, the opponents had not developed any tactics for the evasion of a head-on missile shot of this kind, making them more vulnerable. The AIM-9L was also the first Sidewinder that was a joint variant used by both the US Navy and Air Force since the AIM-9B. The "Lima" was distinguished from earlier Sidewinder variants by its double delta forward canard configuration and natural metal finish of the guidance and control section. The Lima was also built under license in Europe by a team headed by Diehl BGT Defence
Diehl BGT Defence
Diehl BGT Defence GmbH & Ko KG is a German arms manufacturer and a subsidiary of the Diehl Stiftung GmbH with headquarters in Überlingen. Diehl BGT Defence produces mainly missiles and ammunition....

. There are a number of "Lima" variants in operational service at present. First developed was the 9L Tactical, which is an upgraded version of the basic 9L missile. Next was the 9L Genetic, which has increased infra-red counter counter measures (IRCCM); this upgrade consisted of a removable module in the Guidance Control Section (GCS) which provided flare-rejection capability. Next came the 9L(I), which had its IRCCM module hardwired into the GCS, providing improved countermeasures as well as an upgraded seeker system. Diehl BGT also markets the AIM-9L(I)-1 which again upgrades the 9L(I)GCS and is considered an operational equivalent to the initially "US only" AIM-9M.

AIM-9M

The subsequent AIM-9M ("Mike") has the all-aspect capability of the L model while providing all-around higher performance. The M model has improved capability against infrared countermeasures, enhanced background discrimination capability, and a reduced-smoke rocket motor. These modifications increase its ability to locate and lock-on
Missile lock-on
Missile lock-on refers to a scenario where the guidance system for a missile can accurately track a target, and a fire-control system can calculate the required flightpath for the missile to hit the target...

 to a target and decrease the chance of missile detection. Deliveries of the initial AIM-9M-1 began in 1982. The only changes from the AIM-9L to the AIM-9M were related to the Guidance Control Section (GCS). Several models were introduced in pairs with even numbers designating Navy versions and odd for USAF: AIM-9M-2/3, AIM-9M-4/5, and AIM-9M-6/7 which was rushed to the Persian Gulf area during Desert Shield to address specific threats expected to be present. The AIM-9M-8/9 incorporated replacement of five circuit cards and the related parentboard to update infrared counter counter measures (IRCCM) capability to improve 9M capability against the latest threat IRCM
IRCM
An infrared countermeasure is a device designed to protect aircraft from infrared homing missiles by confusing the missiles' infrared guidance system so that they will miss their target.- History :...

. The first AIM-9M-8/9 modifications, fielded in 1995, involved deskinning the guidance section and substitution of circuit cards at the depot level, which is labor intensive and expensive—as well as removing missiles from inventory during the upgrade period. The AIM-9X concept is to use reprogrammable software to permit upgrades without disassembly.

AIM-9R

The Navy began development of AIM-9R, a Sidewinder seeker upgrade in 1987 that featured a Focal Plane Array (FPA) seeker using video-camera type charge-coupled device
Charge-coupled device
A charge-coupled device is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for example conversion into a digital value. This is achieved by "shifting" the signals between stages within the device one at a time...

 (CCD) detectors and featuring increased off-boresight capability. The technology at the time was restricted to visual (daylight) use only and the USAF did not agree on this requirement, preferring another technology path. AIM-9R reached flight test stage before it was cancelled and subsequently both services agreed to join a joint development of the AIM-9X variant.

BOA/Boxoffice

China Lake
Naval Air Weapons Station China Lake
- About : is part of under Commander, Navy Installation Command and is located in the Western Mojave Desert region of California, approximately north of Los Angeles. Occupying three counties – Kern, San Bernardino and Inyo – the installation’s closest neighbors are the cities of Ridgecrest,...

 developed an improved compressed carriage control configuration titled BOA. ("Compressed carriage" missiles have smaller control surfaces to allow more missiles to fit in a given space. The surfaces may be permanently "clipped", or may fold out when the missile is launched.)

The BOA design reduced size of control surfaces, eliminating the rollerons, and returned to simple forward-canard design. Although the Navy and Air Force had jointly developed and procured AIM-9L/M, BOA was a Navy-only effort supported by internal China Lake Independent Research & Development (IR&D) funding. Meanwhile, the Air Force was pursuing a parallel effort to develop a compressed carriage version of Sidewinder, called Boxoffice, for the F-22
F-22 Raptor
The Lockheed Martin/Boeing F-22 Raptor is a single-seat, twin-engine fifth-generation supermaneuverable fighter aircraft that uses stealth technology. It was designed primarily as an air superiority fighter, but has additional capabilities that include ground attack, electronic warfare, and signals...

. The Joint Chiefs of Staff directed that the services collaborate on AIM-9X, which ended these separate efforts. The results of BOA and Boxoffice were provided to the industry teams competing for AIM-9X, and elements of both can be found in the AIM-9X design.

AIM-9X

After looking at advanced short range missile designs during the AIM portion of the ACEVAL/AIMVAL
ACEVAL/AIMVAL
The Air Combat Evaluation and the Air Intercept Missile Evaluation were two back-to-back Joint Test & Evaluations chartered by the United States Department of Defense that ran from 1974-78 at Nellis Air Force Base in Nevada. Both the U. S...

 Joint Test and Evaluation at Nellis AFB in the 1974-78 timeframe, the Air Force and Navy agreed on the need for the Advanced Medium Range Air-to-Air Missile AMRAAM. But agreement over development of an Advanced Short Range Air-to-Air Missile ASRAAM was problematic and disagreement between the Air Force and Navy over design concepts (Air Force had developed AIM-82
AIM-82
The AIM-82 was a missile planned by the United States of America but cancelled before any prototypes were built.-Overview:In 1969 the US Air Force was developing the F-15 Eagle fighter. Planned as the ultimate air superiority aircraft, the F-15 was intended to be as perfect as possible in every...

 and Navy had flight-tested Agile
AIM-95 Agile
The AIM-95 Agile was an air-to-air missile developed by the United States of America. It was developed by the US Navy to equip the F-14 Tomcat, replacing the AIM-9 Sidewinder. Around the same time, the US Air Force was designing the AIM-82 to equip their F-15 Eagle, and later dropped their efforts...

 and flown it in AIMVAL). Congress eventually insisted the services work on a joint effort resulting in the AIM-9M, thereby compromising without exploring the improved off boresight and kinematic capability potential offered by Agile. In 1985, the Soviet Union did field a solid rocket motor (SRM) missile (AA-11 Archer/R-73
Vympel R-73
The Vympel R-73 developed by Vympel machine-building design bureau, is the most modern Russian short-range air-to-air missile.-Development:...

) that was very similar to Agile. At that point, the Soviet Union took the lead in SRM technology and correspondingly fielded improved InfraRed Counter Measures (IRCM
IRCM
An infrared countermeasure is a device designed to protect aircraft from infrared homing missiles by confusing the missiles' infrared guidance system so that they will miss their target.- History :...

) to defeat or reduce the effectiveness of the latest Sidewinders. With the reunification of Germany and improved relations in the aftermath of the Soviet Union, the West became aware of how potent both the AA-11 and IRCM were and SRM requirements were readdressed.

For a brief period in the late 1980s, an ASRAAM effort led by a European consortium was in play under a MOA
Memorandum of Agreement
A memorandum of agreement or cooperative agreement is a document written between parties to cooperatively work together on an agreed upon project or meet an agreed objective. The purpose of an MOA is to have a written understanding of the agreement between parties.An MOA is a good tool to use for...

 with the United States in which AMRAAM development would be led by the US and ASRAAM by the Europeans. The UK working with the aft end of the ASRAAM and Germany developing the seeker (Germany had first-hand experience improving the Sidewinder seeker of the AIM-9J/AIM-9F). By 1990, technical and funding issues had stymied ASRAAM and the problem appeared stalled, so in light of the threat of AA-11 and improved IRCM, the US embarked on determining requirements for AIM-9X as a counter to both the AA-11 and improved IRCM features. The first draft of the requirement was ready by 1991 and the primary competitors were Raytheon and Hughes. Later, the UK resolved to revive the ASRAAM development and selected Hughes to provide the seeker technology in the form of a high off-boresight capable Focal Plane Array. However, the UK did not choose to improve the turning kinematic capability of ASRAAM to compete with AA-11. As part of the AIM-9X program, the US conducted a foreign cooperative test of the ASRAAM seeker to evaluate its potential, and an advanced version featuring improved kinematics was proposed as part of the AIM-9X competition. In the end, the Hughes-evolved Sidewinder design, featuring virtually the same British funded seeker as used by ASRAAM, was selected as the winner.

The AIM-9X Sidewinder, developed by Raytheon
Raytheon
Raytheon Company is a major American defense contractor and industrial corporation with core manufacturing concentrations in weapons and military and commercial electronics. It was previously involved in corporate and special-mission aircraft until early 2007...

 engineers, entered service in November 2003 with the USAF (lead platform is the F-15C; the USN lead platform is the F/A-18C) and is a substantial upgrade to the Sidewinder family featuring an imaging infrared focal plane array (FPA) seeker with claimed 90° off-boresight capability, compatibility with helmet-mounted displays such as the new U.S. Joint Helmet Mounted Cueing System, and a totally new three-dimensional thrust-vectoring control (TVC) system providing increased turn capability over traditional control surfaces. Utilizing the JHMCS, a pilot can point the AIM-9X missile's seeker and "lock on" by simply looking at a target, thereby increasing air combat effectiveness. It retains the same rocket motor, fuze and warhead of the 9-"Mike", but its lower drag gives it improved range and speed. AIM-9X also includes an internal cooling system, eliminating the need for use of launch-rail nitrogen bottles (U.S. Navy and Marines) or internal argon bottle (USAF). It also features an electronic safe and arm device similar to the AMRAAM, allowing reduction in minimum range and reprogrammable InfraRed Counter Counter Measures (IRCCM) capability that coupled with the FPA provide improved look down into clutter and performance against the latest IRCM. Though not part of the original requirement, AIM-9X demonstrated potential for a Lock-on After Launch capability, allowing for possible internal use for the F-35
F-35 Lightning II
The Lockheed Martin F-35 Lightning II is a family of single-seat, single-engine, fifth generation multirole fighters under development to perform ground attack, reconnaissance, and air defense missions with stealth capability...

, F-22 Raptor
F-22 Raptor
The Lockheed Martin/Boeing F-22 Raptor is a single-seat, twin-engine fifth-generation supermaneuverable fighter aircraft that uses stealth technology. It was designed primarily as an air superiority fighter, but has additional capabilities that include ground attack, electronic warfare, and signals...

 and even in a submarine launched configuration for use against ASW platforms. Combined with the Joint Helmet Mounted Cueing System this delivers combined kill ratios exceeding 50:1 against nonhigh-off-boresight equipped fighters. The AIM-9X has been tested for a surface attack capability, with mixed results.

As of September 2008, Raytheon has delivered 3,000 AIM-9X missiles to the armed services and has begun testing the Block II version of the missile. The Block II adds Lock-on After Launch capability with a datalink, so the missile can be launched first and then directed to its target afterwards by an aircraft with the proper equipment for 360 degree engagements, such as the F-35 and F-22.

Design

The AIM-9 is made up of a number of different components manufactured by different companies, including Aerojet
Aerojet
Aerojet is an American rocket and missile propulsion manufacturer based primarily in Rancho Cordova, California with divisions in Redmond, Washington, Orange, Gainesville and Camden, Arkansas. Aerojet is owned by GenCorp. They are the only US propulsion company that provides both solid rocket...

 and Raytheon
Raytheon
Raytheon Company is a major American defense contractor and industrial corporation with core manufacturing concentrations in weapons and military and commercial electronics. It was previously involved in corporate and special-mission aircraft until early 2007...

. The missile is divided into four main sections: guidance
Guidance system
A guidance system is a device or group of devices used to navigate a ship, aircraft, missile, rocket, satellite, or other craft. Typically, this refers to a system that navigates without direct or continuous human control...

, target detector, warhead
Warhead
The term warhead refers to the explosive material and detonator that is delivered by a missile, rocket, or torpedo.- Etymology :During the early development of naval torpedoes, they could be equipped with an inert payload that was intended for use during training, test firing and exercises. This...

, and rocket motor.

The Guidance and Control Unit (GCU) contains most of the electronics and mechanics that enable the missile to function. At the very front is the IR
Infrared
Infrared light is electromagnetic radiation with a wavelength longer than that of visible light, measured from the nominal edge of visible red light at 0.74 micrometres , and extending conventionally to 300 µm...

 seeker head utilizing the rotating reticle, mirror, and five CdS cells or “pan and scan” focal-plane array (AIM-9X), electric motor
Electric motor
An electric motor converts electrical energy into mechanical energy.Most electric motors operate through the interaction of magnetic fields and current-carrying conductors to generate force...

, and armature, all protruding into a glass dome. Directly behind this are the electronics that gather data, interpret signals, and generate the control signals that steer the missile. An umbilical on the side of the GCU attaches to the launcher, which detaches from the missile at launch. To cool the seeker head, a 5,000 psi (35 MPa) argon
Argon
Argon is a chemical element represented by the symbol Ar. Argon has atomic number 18 and is the third element in group 18 of the periodic table . Argon is the third most common gas in the Earth's atmosphere, at 0.93%, making it more common than carbon dioxide...

 bottle (TMU-72/B or A/B) is carried internally in Air Force AIM-9L/M variants while the Navy uses a rail mounted nitrogen bottle. The AIM-9X model contains a Stirling cryo-engine to cool the seeker elements. Two electric servos power the canards to steer the missile (except AIM-9X). At the back of the GCU is a gas grain generator or thermal battery
Molten salt battery
Molten salt batteries or liquid sodium battery are a class of primary cell and secondary cell high-temperature electric battery that use molten salts as an electrolyte. They offer both a higher energy density through the proper selection of reactant pairs as well as a higher power density by means...

 (AIM-9X) to provide electrical power. The AIM-9X features High-Off-Boresight capability; together with JHMCS (Joint Helmet Mounted Cueing System), this missile is capable of locking on to a target that is in its field of regard said to be up to 90 degrees off boresight. The AIM-9X has several unique design features including built-in-test to aid in maintenance and reliability, an electronic safe and arm device, an additional digital umbilical similar to the AMRAAM and jet vane control.

Next is a target detector with four IR emitter
Emitter
-In general:*A device used to exude any signal, beacon, light, odor, liquid, fragrance, ionizing particles or any other type of signal.-In horticulture:*A device used in drip irrigation.-In electronics and instrument physics:...

s and detectors that detect if the target is moving farther away. When it detects this action taking place, it sends a signal to the Warhead Safe and Arm device to detonate the warhead. Versions older than the AIM-9L featured an influence 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...

 that relied on the target's magnetic field as input. Current trends in shielded wires and non-magnetic metals in aircraft construction rendered this obsolete.
The AIM-9H model contained a 25-pound expanding rod-blast fragmentary warhead
Continuous-rod warhead
A continuous-rod warhead is a specialized munition that exhibits an annular blast fragmentation pattern. It is used in anti-aircraft and anti-missile missiles.-Early anti-aircraft munitions:...

. All other models up to the AIM-9M contained a 22-pound annular blast fragmentary warhead. The missile's warhead rods can break rotor blades (an immediately fatal event for any helicopter).

Recent models of the AIM-9 are configured with an annular blast fragmentation warhead
Warhead
The term warhead refers to the explosive material and detonator that is delivered by a missile, rocket, or torpedo.- Etymology :During the early development of naval torpedoes, they could be equipped with an inert payload that was intended for use during training, test firing and exercises. This...

, the WDU-17B by Argotech Corporation. The case is made of spirally wound spring steel filled with 8 pounds of PBX
Polymer-bonded explosive
A polymer-bonded explosive, also called PBX or plastic-bonded explosive, is an explosive material in which explosive powder is bound together in a matrix using small quantities of a synthetic polymer...

N-3 explosive. The warhead features a safe/arm device requiring five seconds at 20 g
G-force
The g-force associated with an object is its acceleration relative to free-fall. This acceleration experienced by an object is due to the vector sum of non-gravitational forces acting on an object free to move. The accelerations that are not produced by gravity are termed proper accelerations, and...

acceleration before the 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...

 is armed, giving a minimum range of approximately 2.5 kilometers.

The Mk36 solid propellant
Solid rocket
A solid rocket or a solid-fuel rocket is a rocket engine that uses solid propellants . The earliest rockets were solid-fuel rockets powered by gunpowder; they were used by the Chinese in warfare as early as the 13th century and later by the Mongols, Arabs, and Indians.All rockets used some form of...

 rocket motor provides propulsion for the missile. A reduced smoke propellant makes it difficult for a target to see and avoid the missile. This section also features the launch lugs used to hold the missile to the rail of the missile launcher. The forward of the three lugs has two contact buttons that electrically activate the motor igniter. The fins provide stability from an aerodynamic point of view, but it is the "rollerons" at the end of the wings providing gyroscopic precession
Precession
Precession is a change in the orientation of the rotation axis of a rotating body. It can be defined as a change in direction of the rotation axis in which the second Euler angle is constant...

 that prevents the serpentine
Snake
Snakes are elongate, legless, carnivorous reptiles of the suborder Serpentes that can be distinguished from legless lizards by their lack of eyelids and external ears. Like all squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales...

 motion that gave the Sidewinder its name in the early days. The wings and fins of the AIM-9X are much smaller to accommodate one in each side bay of the F-22 Raptor
F-22 Raptor
The Lockheed Martin/Boeing F-22 Raptor is a single-seat, twin-engine fifth-generation supermaneuverable fighter aircraft that uses stealth technology. It was designed primarily as an air superiority fighter, but has additional capabilities that include ground attack, electronic warfare, and signals...

 as originally planned, AIM-9X control surfaces are reversed from earlier Sidewinders with the control section located in the rear, while the wings up front provide stability. The AIM-9X also features vectored thrust
Thrust vectoring
Thrust vectoring, also thrust vector control or TVC, is the ability of an aircraft, rocket or other vehicle to manipulate the direction of the thrust from its engine or motor in order to control the attitude or angular velocity of the vehicle....

 or jet vane control to increase maneuverability and accuracy, with four vanes inside the exhaust that move as the fins move. The last upgrade to the missile motor on the AIM-9X is the addition of a wire harness that allows communication between the guidance section and the control section, as well as a new 1760 bus
MIL-STD-1760
MIL-STD-1760 Aircraft/Store Electrical Interconnection System defines a standardized electrical interface between a military aircraft and its carriage stores. Carriage stores range from weapons, such as GBU-31 JDAM, to pods, such as AN/AAQ-14 LANTIRN, to external fuel tanks...

 to connect the guidance section with the launcher’s digital umbilical
Umbilical cable
An umbilical cable or umbilical is a cable which supplies required consumables to an apparatus. It is named by analogy with an umbilical cord...

.

TC-1 Republic of China (Taiwan)

The TC-1 is a Taiwanese development of the AIM-9L originally meant to arm the ROCAF's indigenous F-CK-1 fighter. A ground-launched version was since developed as part of the Antelope Air Defense System, being carried on a HMMWV
High Mobility Multipurpose Wheeled Vehicle
The High Mobility Multipurpose Wheeled Vehicle , better known as the Humvee, is a military 4WD motor vehicle created by AM General. It has largely supplanted the roles formerly served by smaller Jeeps such as the M151 MUTT, the M561 "Gama Goat", their M718A1 and M792 ambulance versions, the CUCV,...

-based launcher vehicle. The Pelican-Hardigg Technical Packaging division of Pelican Products Inc. has designed, qualified, and now manufactures a single missile AUR (All Up Round) Container for this missile. The Pelican-Hardigg Missile Container has been designed to be light enough for the loaded container to be physically handled by 6 men.

Chaparral

A version for the U.S. Army with a launcher for four AIM-9D missiles mounted on a tracked vehicle and called the MIM-72/M48 Chaparral
MIM-72/M48 Chaparral
MIM-72A/M48 Chaparral was a US Army self-propelled surface-to-air missile system based on the AIM-9 Sidewinder air-to-air missile system. The launcher is based on the M113 family of vehicles. It entered service with the US Army in 1969 and was phased out between 1990 and 1998...

 was also developed. In this configuration an operator sat in a protected capsule that was incorporated into the launcher assembly that rotated as an integrated unit. The Chaparral was introduced into service in 1969 and remained an integral part of the Army's air defense network until 1998.

AGM-122A Sidearm

The Sidewinder was also the basis for the AGM-122A Sidearm
AGM-122 Sidearm
The AGM-122 Sidearm was an American air-to-surface anti-radiation missile.-Development:The AGM-122 Sidearm was produced by the re-manufacture of AIM-9C missiles which had been taken out of service. The AIM-9C was a semi-active radar homing variant of the Sidewinder, developed for the US Navy's...

anti-radiation missile
Anti-radiation missile
An anti-radiation missile is a missile which is designed to detect and home on an enemy radio emission source. Typically these are designed for use against an enemy radar, although jammers and even radios used for communication can also be targeted in this manner.- Air-to-Ground :Most ARM designs...

 utilizing an AIM-9C guidance section modified to detect and track a radiating ground-based air defense system radar. The target-detecting device is modified for air-to-surface use, employing forward hemisphere acquisition capability. Sidearm stocks have apparently been expended, and the weapon is no longer in the active inventory.

Anti-tank variant

China Lake experimented with Sidewinder in the air-to-ground mode including use as an anti-tank weapon.
Starting from 2008, the AIM-9X demonstrated its ability as a successful light air-to-ground missile.

Larger rocket motor

Under the High Altitude Project, engineers at China Lake mated a Sidewinder warhead and seeker to a Sparrow rocket motor to experiment with usefulness of a larger motor.

Operators

Argentina
Argentina
Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

 - AIM-9Bs in the navy
Argentine Naval Aviation
The Argentine Naval Aviation is the naval aviation branch of the Argentine Navy and one of its four operational commands...

 A-4C/Q Skyhawks
A-4 Skyhawk
The Douglas A-4 Skyhawk is a carrier-capable ground-attack aircraft designed for the United States Navy and United States Marine Corps. The delta winged, single-engined Skyhawk was designed and produced by Douglas Aircraft Company, and later McDonnell Douglas. It was originally designated the A4D...

 (retired) and AIM-9L/M in air force A-4AR Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 - AIM-9X used by F/A-18Fs Austria
Austria
Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...

 - replaced by IRIS-T
IRIS-T
The IRIS-T is a German-led program to develop a short-range air-to-air missile to replace the venerable AIM-9 Sidewinder found in some of the NATO member countries...

Belgium
Belgium
Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

 - AIM-9M for F-16AM/BM Fighting Falcon Bahrain
Bahrain
' , officially the Kingdom of Bahrain , is a small island state near the western shores of the Persian Gulf. It is ruled by the Al Khalifa royal family. The population in 2010 stood at 1,214,705, including 235,108 non-nationals. Formerly an emirate, Bahrain was declared a kingdom in 2002.Bahrain is...

 - AIM-9P for F-5E Tiger II, AIM-9L for F-16C Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

 - replaced by Mectron MAA-1 Piranha
Mectron MAA-1 Piranha
The MAA-1 Piranha 1 is a short-range infrared homing missile and the first air-to-air missile developed by Brazil for its Air Force and Navy. It was designed to replace the AIM-9 Sidewinder missiles in Brazilian service and has since been exported to Colombia and Pakistan.-History:Development of an...

  • Cameroon AIM-9Bs and AIM-9x Canada
    Canada
    Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

     Chile
    Chile
    Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...

     -
    received AIM-9Bs and Js for the F-5E Tiger II in 1976, has used AIM-9Ps since the 1980s,in 2007 received for F-16 Block 50/52 plus AIM-9Ms Colombia
    Colombia
    Colombia, officially the Republic of Colombia , is a unitary constitutional republic comprising thirty-two departments. The country is located in northwestern South America, bordered to the east by Venezuela and Brazil; to the south by Ecuador and Peru; to the north by the Caribbean Sea; to the...

     Czech Republic
    Czech Republic
    The Czech Republic is a landlocked country in Central Europe. The country is bordered by Poland to the northeast, Slovakia to the east, Austria to the south, and Germany to the west and northwest....

     Denmark
    Denmark
    Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

     Egypt
    Egypt
    Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

     Ethiopia
    Ethiopia
    Ethiopia , officially known as the Federal Democratic Republic of Ethiopia, is a country located in the Horn of Africa. It is the second-most populous nation in Africa, with over 82 million inhabitants, and the tenth-largest by area, occupying 1,100,000 km2...

     Finland
    Finland
    Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...

     Germany
    Germany
    Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

     -
    replaced by IRIS-T
    IRIS-T
    The IRIS-T is a German-led program to develop a short-range air-to-air missile to replace the venerable AIM-9 Sidewinder found in some of the NATO member countries...

    Greece
    Greece
    Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

     -
    replaced by IRIS-T
    IRIS-T
    The IRIS-T is a German-led program to develop a short-range air-to-air missile to replace the venerable AIM-9 Sidewinder found in some of the NATO member countries...

    Hungary
    Hungary
    Hungary , officially the Republic of Hungary , is a landlocked country in Central Europe. It is situated in the Carpathian Basin and is bordered by Slovakia to the north, Ukraine and Romania to the east, Serbia and Croatia to the south, Slovenia to the southwest and Austria to the west. The...

     - used on JAS-39 Gripen Indonesia
    Indonesia
    Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

    , used on Northrop F-5, F-16 Fighting Falcon
    F-16 Fighting Falcon
    The General Dynamics F-16 Fighting Falcon is a multirole jet fighter aircraft originally developed by General Dynamics for the United States Air Force . Designed as an air superiority day fighter, it evolved into a successful all-weather multirole aircraft. Over 4,400 aircraft have been built since...

     and Bae Hawk
    BAE Hawk
    The BAE Systems Hawk is a British single-engine, advanced jet trainer aircraft. It first flew in 1974 as the Hawker Siddeley Hawk. The Hawk is used by the Royal Air Force, and other air forces, as either a trainer or a low-cost combat aircraft...

     Iran
    Iran
    Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

     Iraq
    Iraq
    Iraq ; officially the Republic of Iraq is a country in Western Asia spanning most of the northwestern end of the Zagros mountain range, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....

      -
    Iraq Ordered 200 AIM-9L/M-8/9 with their new F-16IQs Israel
    Israel
    The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

     Italy
    Italy
    Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

     -
    replaced by IRIS-T
    IRIS-T
    The IRIS-T is a German-led program to develop a short-range air-to-air missile to replace the venerable AIM-9 Sidewinder found in some of the NATO member countries...

    Japan
    Japan
    Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

     - used on Boeing F-15 Eagle, Mitsubishi F-1, Mitsubishi F-2
    Mitsubishi F-2
    The Mitsubishi F-2 is a multirole fighter manufactured by Mitsubishi Heavy Industries and Lockheed Martin for the Japan Air Self-Defense Force, with a 60/40 split in manufacturing between Japan and the USA. Production started in 1996 and the first aircraft entered service in 2000. The first 76...

    , McDonnell Douglas F-4 Phantom II, Lockheed F-104 Starfighter (retired), North American F-86 Sabre (retired). Jordan
    Jordan
    Jordan , officially the Hashemite Kingdom of Jordan , Al-Mamlaka al-Urduniyya al-Hashemiyya) is a kingdom on the East Bank of the River Jordan. The country borders Saudi Arabia to the east and south-east, Iraq to the north-east, Syria to the north and the West Bank and Israel to the west, sharing...

     Kuwait
    Kuwait
    The State of Kuwait is a sovereign Arab state situated in the north-east of the Arabian Peninsula in Western Asia. It is bordered by Saudi Arabia to the south at Khafji, and Iraq to the north at Basra. It lies on the north-western shore of the Persian Gulf. The name Kuwait is derived from the...

     Malaysia Mexico
    Mexico
    The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

     - used on F-5 Morocco
    Morocco
    Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...

     Netherlands
    Netherlands
    The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

     New Zealand
    New Zealand
    New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

     - used on RNZAF A-4 Skyhawk
    A-4 Skyhawk
    The Douglas A-4 Skyhawk is a carrier-capable ground-attack aircraft designed for the United States Navy and United States Marine Corps. The delta winged, single-engined Skyhawk was designed and produced by Douglas Aircraft Company, and later McDonnell Douglas. It was originally designated the A4D...

    , no longer in use Norway
    Norway
    Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

     -
    replaced by IRIS-T
    IRIS-T
    The IRIS-T is a German-led program to develop a short-range air-to-air missile to replace the venerable AIM-9 Sidewinder found in some of the NATO member countries...

    Pakistan
    Pakistan
    Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

     -
    AIM-9B: F-86, F-6
    Shenyang J-6
    The Shenyang J-6 was the Chinese-built version of the Soviet MiG-19 'Farmer' fighter aircraft.-Design and development:...

    . AIM-9P/L: F-16A/B, F-6
    Shenyang J-6
    The Shenyang J-6 was the Chinese-built version of the Soviet MiG-19 'Farmer' fighter aircraft.-Design and development:...

    , F-7P/PG
    Chengdu J-7
    The Chengdu Jian-7 is a People's Republic of China-built version of the Soviet Mikoyan-Gurevich MiG-21. Though production ceased in 2008 it continues to serve, mostly as an interceptor, in several air forces, including China's.-Design and development:...

    , Mirage III/V
    Dassault Mirage III
    The Mirage III is a supersonic fighter aircraft designed by Dassault Aviation during the late 1950s, and manufactured both in France and a number of other countries. It was a successful fighter aircraft, being sold to many air forces around the world and remaining in production for over a decade...

    , JF-17. AIM-9M on order for F-16C/D. Historically used on Lockheed F-104 Starfighter. Philippines
    Philippines
    The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

     - F-5 and F-8 Crusader
    F-8 Crusader
    The Vought F-8 Crusader was a single-engine, supersonic, carrier-based air superiority jet aircraft built by Vought for the United States Navy and the U.S. Marine Corps, replacing the Vought F7U Cutlass...

    Poland
    Poland
    Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

     - AIM-9X Portugal
    Portugal
    Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

     Saudi Arabia
    Saudi Arabia
    The Kingdom of Saudi Arabia , commonly known in British English as Saudi Arabia and in Arabic as as-Sa‘ūdiyyah , is the largest state in Western Asia by land area, constituting the bulk of the Arabian Peninsula, and the second-largest in the Arab World...

     Singapore
    Singapore
    Singapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the...

    : Republic of Singapore Air Force
    Republic of Singapore Air Force
    The Republic of Singapore Air Force is the air arm of the Singapore Armed Forces. It was first established in 1968 as the Singapore Air Defence Command...

     South Africa
    South Africa
    The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

     - Used on the F-86 Sabre
    F-86 Sabre
    The North American F-86 Sabre was a transonic jet fighter aircraft. Produced by North American Aviation, the Sabre is best known as America's first swept wing fighter which could counter the similarly-winged Soviet MiG-15 in high speed dogfights over the skies of the Korean War...

     and Dassault Mirage III
    Dassault Mirage III
    The Mirage III is a supersonic fighter aircraft designed by Dassault Aviation during the late 1950s, and manufactured both in France and a number of other countries. It was a successful fighter aircraft, being sold to many air forces around the world and remaining in production for over a decade...

    , replaced by IRIS-T
    IRIS-T
    The IRIS-T is a German-led program to develop a short-range air-to-air missile to replace the venerable AIM-9 Sidewinder found in some of the NATO member countries...

     and A-Darter. South Korea
    South Korea
    The Republic of Korea , , is a sovereign state in East Asia, located on the southern portion of the Korean Peninsula. It is neighbored by the People's Republic of China to the west, Japan to the east, North Korea to the north, and the East China Sea and Republic of China to the south...

     - used on McDonnell Douglas F-4 Phantom II, Northrop F-5, Boeing F-15E Strike Eagle, Lockheed F-16 Fighting Falcon families. Historically used on North American F-86 Sabre. Spain
    Spain
    Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

     - AIM-9L, L(I) and JULI. Replaced by IRIS-T
    IRIS-T
    The IRIS-T is a German-led program to develop a short-range air-to-air missile to replace the venerable AIM-9 Sidewinder found in some of the NATO member countries...

     Sweden
    Sweden
    Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

     - called Robot 24/24J (B and J equivalents) and Robot 74 (L equivalent), will be replaced by IRIS-T
    IRIS-T
    The IRIS-T is a German-led program to develop a short-range air-to-air missile to replace the venerable AIM-9 Sidewinder found in some of the NATO member countries...

    . Switzerland
    Switzerland
    Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

     Republic of China
    Republic of China
    The Republic of China , commonly known as Taiwan , is a unitary sovereign state located in East Asia. Originally based in mainland China, the Republic of China currently governs the island of Taiwan , which forms over 99% of its current territory, as well as Penghu, Kinmen, Matsu and other minor...

     (Taiwan
    Taiwan
    Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

    ) - AIM-9P4: F-5E/F, F-CK-1 A/B/C/D, F-16A/B Block 20, AT-3A/B. AIM-9M/M-2: F-16A/B Block 20. Historically used on North American F-86 Sabre, Lockheed F-104 Starfighter, North American F-100 Super Sabre. Thailand
    Thailand
    Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

     use on JAS 39 C/D, F-16 A/B/ADF, F-5 E/F/T, L-39ZA/ART (Westernized weapon system), Alphajet
    AlphaJet
    AlphaJet may refer to:* AlphaJet Airlines, a proposed Australian airline* Dassault/Dornier Alpha Jet, a French military aircraft...

    . Turkey
    Turkey
    Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

     United Kingdom
    United Kingdom
    The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

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

     Venezuela
    Venezuela
    Venezuela , officially called the Bolivarian Republic of Venezuela , is a tropical country on the northern coast of South America. It borders Colombia to the west, Guyana to the east, and Brazil to the south...

    , AIM-9B on VF-5 and Mirage 50 - AIM-9L on F-16A/B Zimbabwe
    Zimbabwe
    Zimbabwe is a landlocked country located in the southern part of the African continent, between the Zambezi and Limpopo rivers. It is bordered by South Africa to the south, Botswana to the southwest, Zambia and a tip of Namibia to the northwest and Mozambique to the east. Zimbabwe has three...



Please note that this list is not exhaustive.

See also

Comparable missiles
  • ASRAAM
  • IRIS-T
    IRIS-T
    The IRIS-T is a German-led program to develop a short-range air-to-air missile to replace the venerable AIM-9 Sidewinder found in some of the NATO member countries...

  • MAA-1 Piranha
  • MICA
  • R550 Magic
    R550 Magic
    The R.550 Magic is a short-range missile designed in 1968 by French company Matra to compete with the American AIM-9 Sidewinder. On 11 January 1972, a Gloster Meteor of the centre for in-flight trials fired the R550 Magic and shot down a Nord CT20 target drone .Mass-produced from 1976, the Magic...

  • Red Top
    Hawker Siddeley Red Top
    The Hawker Siddeley Red Top was the third indigenous British air-to-air missile to enter service, following the de Havilland Firestreak and limited-service Fairey Fireflash.-Development:...

  • PL-9
  • PL-12
  • Python 5
  • R-73
  • Shafrir
    Shafrir
    The Rafael Shafrir 1 and Shafrir 2 are short-range air-to-air missiles developed by the Israeli arms manufacturer Rafael Advanced Defense Systems, formerly RAFAEL Armament Development Authority....


External links

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