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9K32 Strela-2
9K32 Strela-2
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The 9K32 Strela-2 (Russian: Cтрела, lit.'Arrow'; NATO reporting name SA-7 Grail) is a light-weight, shoulder-launched, surface-to-air missile or MANPADS system. It is designed to target aircraft at low altitudes with passive infrared-homing guidance and destroy them with a high-explosive warhead.

Key Information

Broadly comparable in performance with the US Army FIM-43 Redeye, the Strela-2 was the first Soviet man-portable SAM – full-scale production began in 1970.[4] While the Redeye and 9K32 Strela-2 were similar, the missiles were not identical.

The Strela-2 was a staple of the Cold War and was produced in huge numbers for the Soviet Union and their allies, as well as revolutionary movements.[5] Though since surpassed by more modern systems, the Strela and its variants remain in service in many countries, and have seen use in nearly every regional conflict since 1972.

Development

[edit]

The end of World War II led to a major shift in Soviet defence policy. The advent of long range, high altitude, nuclear-armed American bombers, capable of penetrating Soviet airspace at heights and speeds unreachable and unmatchable by anti-aircraft guns and most interceptors, appeared to render every conventional weapon obsolete at a stroke. Numerous long-range, high-altitude SAM systems, such as the S-25 Berkut and S-75 Dvina, were rapidly developed and fielded to counter this large vulnerability. Due to the apparent obsolescence of conventional arms, however, relatively little development took place to field mobile battlefield air defences.

This direction was soon changed with the beginning of the Korean War. An entirely conventional conflict, it proved that nuclear weapons were not the be-all and end-all of warfare. In the face of a powerful and modern American air force, carrying non-nuclear payloads, the Soviet Union invested heavily in a multi-tier air defence system, consisting of several new mobile SAMs, to cover all altitude ranges and protect ground forces. The new doctrine listed five requirements:

  • Front-level medium-to-high-altitude area defense system 9K8 Krug (NATO designation SA-4 "Ganef")
  • Army-level low-to-medium-range area defense system 3K9 Kub (NATO designation SA-6 "Gainful")
  • Division-level low-altitude short-range system 9K33 Osa (NATO designation SA-8 "Gecko")
  • Regiment-level all-weather radar-guided gun system ZSU-23-4 "Shilka" and very-short-range missile systems 9K31 Strela-1 (NATO designation SA-9 "Gaskin")
  • Battalion-level man-portable 9K32 Strela-2 (NATO designation SA-7 "Grail")

Both Strela-1 and Strela-2 were initially intended to be man-portable systems. As the Strela-2 proved to be a considerably smaller and lighter package, however, the role of the Strela-1 was changed, becoming a heavier, vehicle-mounted system with increased range and performance to better support the ZSU-23-4 in the regimental air defense role.

SA-7a components. It is best distinguished by the squarish gripstock.

As development began in the Turopov OKB (later changed to Kolomna), detailed information on the design of the US FIM-43 Redeye became available. While it was not a reverse-engineered copy, in many ways the Strela design borrowed heavily from the Redeye, which had started development a few years earlier.[citation needed] Due to the comparatively primitive Soviet technical base, development was protracted, and many problems arose, especially in designing a sufficiently small seeker head and rocket. Eventually, the designers settled for a simpler seeker head than that of the Redeye, allowing the initial version, the 9K32 "Strela-2" (US DoD designation SA-7A, missile round 9M32) to finally enter service in 1968, five years behind schedule. At the time, it was described by one expert as being "the premier Russian export line".[6]

Improvements

[edit]

The initial variant suffered from numerous shortcomings: it could only engage targets flying at relatively slow airspeeds and low altitudes and then only from rear hemisphere, it suffered from poor guidance reliability (particularly in the presence of natural or man-made background IR radiation sources), and even when a hit was achieved, it often failed to destroy the target.[7][8] Poor lethality was an issue especially when used against jet aircraft: the hottest part of the target was the nozzle behind the actual engine, which the missile therefore usually hit; but there its small warhead often failed to cause significant damage to the engine itself.

In order to address the shortcomings, two improved versions were ordered in 1968; as an intermediate stop-gap the slightly improved 9K32M "Strela-2M" (NATO reporting name SA-7b) to replace the original, as well as the more ambitious Strela-3.

Components of the most common variant, the 9K32M Strela-2M/SA-7b

As the modifications introduced with the Strela-2M were relatively minor, the process was fast and it was accepted in service in 1970.[8] The Strela-2M replaced the Strela-2 in production lines immediately. Improvements were made particularly to increase the engagement envelope of the new system:[7]

  • Higher thrust propellant increased slant range from 3.4 to 4.2 km (2.1 to 2.6 mi) and ceiling from 1.5 to 2.3 km (0.93 to 1.43 mi)
  • Improved guidance and control logic allowed the engagement of helicopters and propeller-driven aircraft (but not jets) approaching at a maximum speed of 150 m/s (490 ft/s; 340 mph)
  • Maximum speed of receding targets was increased from 220 to 260 m/s (720 to 850 ft/s; 490 to 580 mph)
  • More automated gripstock provided a simplified firing method against fast targets: a single trigger pull followed by lead and superelevation replacing the separate stages of releasing the seeker to track, and launching the missile (see description below)

Contrary to what was initially reported in some Western publications, more recent information indicates that, while lethality on impact had proven to be a problem, the warhead remained the same 1.17 kg (2.6 lb) unit (including 370-gram (13 oz) TNT charge) as in the original.[9] This remained the warhead of all Soviet MANPADS up to and including most 9K38 Igla variants; to address the problem of poor lethality, a more powerful HE filling than TNT, improved fuzing, a terminal maneuver, and finally a separate charge to set off any remaining rocket fuel were gradually introduced in later MANPADS systems, but the original Strela-2/2M warhead design of a 370-gram (13 oz) directed-energy HE charge in a pre-fragmented casing remained.

The seeker head improvements were only minor changes to allow better discrimination of the target signal against background emissions.[7][9] Some sources claim that the seeker sensitivity was also improved.[8] The only defence against infra-red countermeasures remained the seeker head's narrow field of view, which could be hoped to help the rapidly slowing flare fall off the missile field of view as it was tracking a fast-moving target.[7] In practice, flares proved to be a highly effective countermeasure against both versions of the Strela-2.

The seeker is commonly referred to as a hot metal tracker. The seeker can only see infrared energy in the near infrared (NIR) spectrum, emitted by very hot surfaces only seen on the inside of the jet nozzle. This allows only rear-aspect engagement of jet targets, earning the weapon its other moniker as a revenge weapon, since the missile has to "chase" an aircraft after it has already passed by.

The Strela-2M was also procured for use on-board Warsaw Pact warships;[10] installed on four-round pedestal mounts[10] aboard Soviet amphibious warfare vessels and various smaller combatants, the weapon remained unchanged, but was assigned the NATO reporting name SA-N-5 "Grail".[10]

Description

[edit]

The missile launcher system consists of the green missile launch tube containing the missile, a grip stock and a cylindrical thermal battery. The launch tube is reloadable at depot, but missile rounds are delivered to fire units in their launch tubes. The device can be reloaded up to five times.[11]

A Strela being aimed, the lens of the seeker clearly visible

When engaging slow or straight-receding targets, the operator tracks the target with the iron sights in the launch tube and applies half-trigger. This action "uncages" the seeker and allows its attempt to track. If a target IR signature can be tracked against the background present, this is indicated by a light and a buzzer sound. The shooter then pulls the trigger fully, and immediately applies lead and superelevation. This method is called a manual engagement. An automatic mode, which is used against fast targets, allows the shooter to fully depress the trigger in one pull followed by immediate lead and superelevation of the launch tube. The seeker will uncage and will automatically launch the missile if a strong enough signal is detected.

The manufacturer lists reaction time measured from the carrying position (missile carried on a soldier's back with protective covers) to missile launch to be 13 seconds, a figure that is achievable but requires considerable training and skill in missile handling. With the launcher on the shoulder, covers removed and sights extended, reaction time from fire command to launch reduces to 6–10 seconds, depending greatly on the target difficulty and the shooter's skill.

After activating the power supply to the missile electronics, the gunner waits for electricity supply and gyros to stabilize, puts the sights on target and tracks it smoothly with the launch tube's iron sights, and pulls the trigger on the grip stock. This activates the seeker electronics and the missile attempts to lock onto the target. If the target is producing a strong enough signal and the angular tracking rate is within acceptable launch parameters, the missile alerts the gunner that the target is locked on by illuminating a light in the sight mechanism, and producing a constant buzzing noise. The operator then has 0.8 seconds to provide lead to the target while the missile's on-board power supply is activated and the throw-out motor ignited.

Should the target be outside acceptable parameters, then the light cue in the sight and the buzzer signal tell the gunner to re-aim the missile.

On launch, the booster burns out before the missile leaves the launch tube at 32 m/s (100 ft/s) and rotating at around 20 revolutions per second. As the missile leaves the tube, the two forward steering fins unfold, as do the four rear stabilizing tail fins. The self-destruct mechanism is then armed, which is set to destroy the missile after between 14 and 17 seconds to prevent it hitting the ground if it should miss the target.

Strela shortly after launch, fins unfurled, just before sustainer motor activation

Once the missile is five and a half meters away from the gunner, about 0.3 seconds after leaving the launch tube, it activates the rocket sustainer motor. The sustainer motor takes it to a velocity of 430 metres per second (1,400 ft/s; 960 mph), and sustains it at this speed. Once it reaches peak speed, at a distance of around 120 metres (390 ft) from the gunner, the final safety mechanism is disabled and the missile is fully armed. All told, the booster burns for 0.5 seconds and the driving engine for another 2.0 seconds.[11]

The missile's uncooled lead sulfide passive infra-red seeker head detects infrared radiation at below 2.8 μm in wavelength. It has a 1.9 degree field of view and can track at 9 degrees per second. The seeker head tracks the target with an amplitude-modulated spinning reticle (spin-scan or AM tracking), which attempts to keep the seeker constantly pointed towards the target. The spinning reticle measures the amount of incoming infrared (IR) energy. It does this by using a circular pattern that has solid portions and slats that allow the IR energy to pass through to the seeker. As the reticle spins IR energy passes through the open portions of the reticle. Based on where the IR energy falls on the reticle the amount or amplitude of IR energy allowed through to the seeker increases the closer to the center of the reticle. Therefore, the seeker is able to identify where the center of the IR energy is. If the seeker detects a decrease in the amplitude of the IR energy it steers the missile back towards where the IR energy was the strongest. The seeker's design creates a dead-space in the middle of the reticle. The center mounted reticle has no detection capability. This means that as the seeker tracks a target as soon as the seeker is dead center, (aimed directly at the IR source) there is a decrease in the amplitude of IR energy. The seeker interprets this decrease as being off target so it changes direction. This causes the missile to move off target until another decrease in IR energy is detected and the process repeats itself. This gives the missile a very noticeable wobble in flight as the seeker bounces in and out from the dead-space. This wobble becomes more pronounced as the missile closes on the target as the IR energy fills a greater portion of the reticle. These continuous course corrections effectively bleed energy from the missile reducing its range and velocity.

A Soviet soldier posing with a Strela launcher

The guidance of the SA-7 follows proportional convergence logic, also known as angle rate tracking system or pro-logic. In this method, as the seeker tracks the target, the missile is turned towards where the seeker is turning towards – not where it is pointing at – relative to the missile's longitudinal axis. Against a target flying in a straight-line course at constant speed, the angle rate of seeker-to-body reduces to zero when the missile is in a straight-line flight path to intercept point.

Combat use

[edit]

As a consequence of their widespread availability and large numbers, the Strela system has seen use in conflicts across the globe.

Middle East

[edit]

Egypt

[edit]

The first combat use of the missile is credited as being in 1969 during the War of Attrition by Egyptian soldiers.[12] The first "kill" was claimed on 19 August 1969. An Israeli 102 Squadron A-4H Skyhawk was hit with a shoulder-fired missile 19 km (12 mi) west of the Suez Canal and pilot SqL Nassim Ezer Ashkenazi captured. Between this first firing and June 1970 the Egyptian army fired 99 missiles resulting in 36 hits. The missile proved to have poor kinematic reach against combat jets, and also poor lethality as many aircraft that were hit managed to return safely to base.

The missile was used later in the Yom Kippur War,[13][14] where 4,356 Strelas were fired,[13] scoring few hits and just 2[14] to 4[13] kills, with 26[14] to 28[13] damaged. A-4s were fitted with lengthened exhaust pipes in order to prevent fatal damage to the engine, a solution made in the previous war, together with flare launchers. However, together with Shilka and SA-2/3/6s, they caused very heavy losses to the Israeli Air Force in the first days. Subsequently, Arab forces fired so many SAMs that they almost depleted their weapon stocks. SA-7s were not that effective against fast jets, but they were the best weapon available to Arab infantry at the time.[citation needed]

A Strela 2 was reportedly used by the Islamist militant group Ansar Bait al-Maqdis to destroy an Egyptian military Mil-8 helicopter operating in the northern Sinai region on 26 January 2014 near Sheikh Zuweid (close to the border with Gaza), killing its five occupants. This is the first attack of this type during the Sinai insurgency, which has raged on the peninsula due to the security and political turmoil since the 2011 revolution. The MANPADS is reported by United Nations to have come from former Libyan leader Muammar Gaddafi's large stocks, which have been widely proliferated after Libya's civil war chaos and have become a concern to regional and world security.[15]

Syria

[edit]

The Strela was deployed by Syrian forces occupying Lebanon, along with other Soviet air-defence systems that challenged U.S., French and Israeli airpower in the aftermath of the 1982 conflict and the deployment of the Multinational Force in Lebanon during that year. On 10 November 1983, an SA-7 was fired at a French Super Etendard near Bourj el-Barajneh while flying over Druze People's Liberation Army (PLA) positions. On 3 December, more Strelas and anti-aircraft artillery (AAA) were fired at United States Navy F-14 Tomcats flying a reconnaissance mission.[16][17]

The Americans responded with a large strike package of 12 A-7 Corsairs and 16 A-6 Intruders (supported by a single E-2C Hawkeye, two EA-6B Prowlers and two F-14As) launched from the carriers USS John F. Kennedy (CV-67) and USS Independence (CV-62) sailing in the Mediterranean. The aircraft were to bomb Syrian installations, AAA sites and weapons depots near Falouga and Hammana, some 16 km (10 mi) north of Beirut-Damascus highway, when they were received by a volley of (possibly up to 40) Syrian SAMs, one of which hit a Corsair (AE305 of the VA-15), forcing the pilot to eject over the sea before being rescued by a USN search and rescue mission.[17]

The attack formation broke, with each pilot attacking each objective on its own, leading to the downing of a second U.S. aircraft, an Intruder from VA-85, hit by either an SA-7 or an SA-9. The navigator, Lieutenant Bobby Goodman ejected near a village surrounded by Syrian positions. The pilot, Lt. Mark Lange, ejected too late and died from his wounds soon after being captured by Syrian soldiers and Lebanese civilians. Goodman was captured by the Syrians and taken to Damascus before being freed in January 1984.[16][18]

A second Corsair, searching for the downed Intruder crew, was later hit by an SA-7. The pilot, Cdr. Edward Andrews, managed to eject over the sea near Beirut and was rescued by a fisherman and his son who in turn handed him over to the U.S Marines.[16][18]

During the civil war, several Strelas have made their way to rebel hands, and YouTube videos have shown them being fired. In 2013, Foreign Policy, citing rebels sources, reported the shipment, with Qatari help, of some 120 SA-7s from Libya (with large stocks acquired by Gaddafi and proliferated after that country's civil war) through Turkey and with Turkish authorities' knowledge.[19][20]

Lebanon

[edit]

On 24 June 1974, Palestinian guerrillas operating in southern Lebanon fired two SA-7s against invading Israel Air Force (IAF) aircraft, though no hits were scored.[21]

The Lebanese Al-Mourabitoun militia received either from Syria or the PLO a number of SA-7s, which they employed against Israeli Air Force (IAF) fighter-bomber jets during the 1982 Lebanon War.[22]

During the 1983–84 Mountain War, the Druze People's Liberation Army (PLA) militia received from Syria a number of Strela missiles, which were used to bring down two Lebanese Air Force Hawker Hunter fighter jets[23] and one Israeli IAI Kfir fighter-bomber aircraft, on 20 November over the mountainous Chouf district southeast of Beirut (the pilot was rescued by the Lebanese Army).[24][25][26] The Christian Maronite Lebanese Forces militia (LF) also received from Iraq a number of Strela missiles in 1988–89.[27]

The Shiite Hezbollah guerrilla group also acquired some Strelas in the late 1980s and fired them against Israeli aircraft in November 1991.[28] Since then, they have fired many Strelas against Israeli aircraft, including two against Israeli warplanes on 12 June 2001 near Tyre, but have never scored a hit.[29]

Iraq

[edit]

In the early dawn of 31 January 1991 during the Battle of Khafji in Operation Desert Storm, an Iraqi soldier shot down an American AC-130H gunship with a Strela 2, killing all 14 crewmembers.[30]

Strela-2 missiles have been used against Turkish Army helicopters by the PKK in northern Iraq. During Operation Hammer; on 18 May 1997, a Strela-2 missile was used to shoot down an AH-1W Super Cobra attack helicopter. On 4 June 1997, another Strela was used to bring down a Turkish Army AS-532UL Cougar transport helicopter in the Zakho area, killing the 11 soldiers on board.[31][32][33] The video of the first attack was used extensively for PKK propaganda and eventually released to the Internet. Greece and Serbia's intelligence services, as well as Iran, Syria, Armenia, and Cyprus were traced as possible sources of the missiles.[31][34]

A Strela-2 missile is said to have been used in April 2005, when members of the insurgents shot down an Mi-8 helicopter operated by Blackwater, killing all 11 crew members. The Islamic Army in Iraq took responsibility for the action and a video showing the downing was released on the Internet.[35] The missile launcher is not visible on the video, however, making it impossible to confirm the type of MANPADS used.

The spate of helicopter shoot-downs during 2006 and 2007 in Iraq has been partly attributed to the prevalence of the Strela amongst Sunni insurgent groups of that time;[36] while al Qaeda is said to have produced an hour-long training video on how to use SA-7s.[29]

Saudi Arabia

[edit]

In late 2001, a Sudanese man with links to Al-Qaida fired an SA-7 at an American F-15 Eagle fighter taking off from Prince Sultan Air Base in Saudi Arabia. The missile missed the target and was not detected by the pilot or anyone at the base. Saudi police found the empty launcher in the desert in May 2002, and a suspect was arrested in Sudan a month later. He led police to a cache in the desert where a second missile was buried.[37]

Gaza

[edit]

During October 2012, militants in Gaza fired a Strela at an IDF helicopter.[38] During Operation Pillar of Defense, Hamas released a video purporting to be a Strela missile launch at an IAF target.[39] In March 2013, one was also reportedly fired from Gaza at an IAF helicopter.[38]

In October 2023, Hamas claimed to have used these missiles to down an IAF helicopter during the Gaza war.[40]

Yemen

[edit]

Al-Qaeda in the Arabian Peninsula allegedly shot down a UAE Mirage fighter jet with a Strela during the Yemeni Civil War (2014–present).[41] Houthi rebels were seen carrying 9K32 Strela-2s.[42]

Southeast Asia

[edit]
Damage to an AC-130 gunship caused by an SA-7, May 1972

The Strela-2 system was also given to North Vietnam, where along with the more advanced Strela-2M it achieved 204 hits out of 589 firings against US and South Vietnamese aircraft between 1972 and 1975 according to Russian sources.[9] (Some sources, such as Fiszer (2004),[8] claim that it was used from 1968 onwards).

Roughly 95–120 kills and several dozen damaged are attributed to Strela-2/2M hits between April 1972 and the Fall of Saigon in April 1975, almost all against helicopters and propeller-driven aircraft. As in the War of Attrition, the missile's speed and range proved insufficient against fast jets and results were poor: only one U.S. A-4 Skyhawk, one U.S. F-4 Phantom and three South Vietnamese F-5 Freedom Fighter are known to have been shot down with Strela-2s during the conflict.

U.S. fixed-wing losses are listed in the following table.[43] The internet site Arms-expo.ru states 14 fixed-wing aircraft and 10 helicopters were shot down with 161 missile rounds used between 28 April and 14 July 1972.[9] Between April 1972 and January 1973, 29 fixed-wing aircraft and 14 helicopters were shot down (01 F-4, 7 O-1, 03 O-2, 04 OV-10, 09 A-1, 04 A-37, 01 CH-47, 04 AH-1, 09 UH-1)[44] The difference in fixed-wing losses may be at least partly due to South Vietnamese aircraft shot down by the weapon.

Date Type Unit Altitude when hit Casualties Mission Location
ft m
1972-05-01 O-2A 20th TASS 0 FAC Quang Tri
1972-05-01 A-1H 1 SOS 3,500 1,100 0 SAR Quang Tri
1972-05-02 A-1E 1 SOS 5,500 1,700 0 SAR Quang Tri
1972-05-02 A-1G 1 SOS 6,500 2,000 1 WIA SAR Quang Tri
1972-05-02 UH-1 5 KIA Quang Tri[45]
1972-05-11 AH-1 2 KIA A Loc[45]
1972-05-11 O-2 2 KIA A Loc[45]
1972-05-11 O-2 2 KIA An Loc[45]
1972-05-14 O-1 4,000 1,200 0 FAC An Loc
1972-05-22 F-4 0
1972-05-24 UH-1 4 KIA Hue[45]
1972-05-24 AH-1 2 KIA An Loc[45]
1972-05-25 OV-10 0 Hue[45]
1972-05-26 TA-4F H&MS-15 4,500 1,400 0 armed recce Hue
1972-06-11 OH-6 2 KIA Hue[45]
1972-06-18 AC-130A 16 SOS 12 KIA armed recce A Shau
1972-06-20 AH-1 2 KIA An Loc[45]
1972-06-21 AH-1 0 An Loc[45]
1972-06-29 OV-10A 20 TASS 6,500 2,000 1 KIA FAC Quang Tri
1972-07-02 O-1 0 FAC Phum Long (Cambodia)
1972-07-05 A-37 0 Hue[45]
1972-07-11 CH-53 46 KIA[46] Transport Quang Tri
1972-10-31 CH-47 15 KIA Sai Gon[45]
1972-11-23 O-2 0 An Loc[45]
1972-03-12 AH-1 0
1972-12-19 OV-10A 20 TASS 1 KIA FAC Quang Tri
1973-01-08 UH-1 6 KIA Quang Tri[45]
1973-01-27 OV-10A 23 TASS 6,000 1,800 2 MIA FAC Quang Tri

The table shows heavy losses particularly in the beginning of May, with especially lethal results on the 1st and 2nd, where the shootdown of the O-2 FAC led to further losses when a rescue operation was attempted. After these initial losses, changes in tactics and widespread introduction of decoy flares helped to counter the threat, but a steady flow of attrition [clarification needed] and necessity of minimizing time spent in the Strela's engagement envelope nonetheless continued to limit the effectiveness of US battlefield air operations until the end of US involvement in South-East Asia. The United States lost at least 10 AH-1 Cobras and several UH-1 Hueys to Strela-2/2M hits in South East Asia.

From 28 January 1973 to July 1973, the Republic of Vietnam Air Force lost 8 aircraft and helicopter with 22 missile rounds used (1 A-37, 3 A-1, 1 F-5, 2 UH-1, 1 CH-47)[45] From January 1973 to December 1974, the Republic of Vietnam Air Force lost at least 28 planes and helicopters to Strela-2s.[13]

In 1975 spring offensive, a few dozen aircraft and helicopter were shot down by SA-7s. On 14 April, one F-5 was shot down[47] In Ho Chi Minh campaign, PAVN claimed 34 aircraft and helicopter were shot down by SA-7s, including 9 on 29 April[48]

Vietnam claims that throughout the war, PAVN gunner Hoàng Văn Quyết fired 30 missiles and shotdown 16 aircraft.[49]

In the late 1980s, Strela-2s were used against Royal Thai Air Force aircraft by Laotian and Vietnamese forces during numerous border clashes. An RTAF F-5E was damaged on 4 March 1987 and another F-5E was shot down on 4 February 1988 near the Thai-Cambodian border.

Western Asia

[edit]

Afghanistan

[edit]
An Afghan Mujahid with a Strela 2

In 1977, the Republic of Afghanistan received the Strela-2M for use by the Afghan Army.[50] The Strela-2M was used also in Afghanistan during the Soviet–Afghan War by the Mujahiddeen. The missiles were obtained from various sources, some from Egypt and China (locally manufactured Sakr Eye and HN-5 versions of the SAM), and the CIA also assisted the guerrillas in finding missiles from other sources.

Results from combat use were not dissimilar from experiences with the Strela-2/2M from Vietnam: while 42 helicopters were shot down by various Strela-2 variants (including a few Mi-24s until exhaust shrouds made them next to invisible to the short-wavelength Strela-2 seeker) only five fixed-wing aircraft were destroyed with the weapon. Due to its poor kinematic performance and vulnerability to even the most primitive infra-red countermeasures, the guerrillas considered the Strela-2 suitable for use against helicopters and prop-driven transports, but not combat jets.

However, the recent studies and interviews after the Cold war say that most Strelas sold to the Mujahiddeen on the black market were broken/damaged or faulty. This is possibly another reason why the Soviet army in Afghanistan didn't expect working anti-aircraft missiles like the Stinger to be used.[51]

On 22 July 2007 the first reported attack of the Taliban against a coalition aircraft using MANPADS was reported. The weapon was reported to be an SA-7 allegedly smuggled from Iran to the Taliban. The missile failed after the crew of the USAF C-130, flying over the Nimroz province, launched flares and made evasive manoeuvers.[52]

However, most of the Strelas operated by al-Qaeda in Afghanistan are probably inherited from fighters that used it during the Soviet invasion. Most are probably faulty, broken or in other ways not usable (even from the beginning) against military helicopters, with the intercepts of NATO aviation by Stingers (acquired also during 80s) or other missiles.[citation needed]

Chechnya

[edit]

Chechen forces had access to old Soviet stockpiles of Strela-2M and Igla missiles, as well former Soviet Army personnel trained to operate them. In the First Chechen War Russian forces lost about 38 aircraft of which 15 were caused by MANPADS with another 10 probably caused by MANPADS, while the rest were caused by other anti-aircraft weapons. During the Second Chechen war the Russians lost 45 helicopters and 8 fixed-wing aircraft, the majority presumably caused by MANPADS.[53]

Georgia

[edit]

The SA-7 saw heavy usage by all sides during the Georgian Civil War. The first known loss to an SA-7 happened on 13 June 1993, when a GAF Su-25 was shot down by a Strela over Shubara. On two later occasions, Georgian airliners (a Tu-134A and a Tu-134B) were shot down by SA-7s, killing a total of 110 people.[54]

Africa

[edit]

Guinea-Bissau

[edit]

PAIGC rebels fighting for independence from Portugal began to receive SA-7s in early 1973, a development that immediately became a threat to Portuguese air supremacy. On 23 March 1973, two Portuguese Air Force (FAP) Fiat G.91s were shot down by SA-7s, followed six weeks later by another Fiat, and a Dornier Do 27.[55]

Mozambique

[edit]

FRELIMO fighters in Mozambique were also able to field some SA-7s with Chinese support, although the weapon is not known to have caused any losses to the FAP, even if it forced Portuguese pilots to change their tactics. In one case a Douglas DC-3 carrying foreign military attaches and members of the senior Portuguese military command was hit by an SA-7 in one of the engines. The crippled plane managed to land safely and was later repaired.[56]

Angola

[edit]

In Angola and Namibia, SA-7s were deployed against the South African Air Force with limited success. The SAAF lost Atlas Impalas to Strelas on 24 January 1980 and 10 October 1980. Another Impala was hit by an SA-7 on 23 December 1983, but the pilot was able to fly the aircraft back to Ondangwa AB.[57] UNITA also reportedly obtained 50 SA-7s that Israel had captured, via the CIA. The first one was fired at Cuban aircraft by a French mercenary on 13 March 1976, but the missile failed to hit the target. The individual missiles may have been in poor condition, as none scored a direct hit.[58] Additionally, it is claimed that UNITA used SA-7s to shoot down two Transafrik International Lockheed L-100-30 Hercules flying UN charters, on 26 December 1998[59] and 2 January 1999,[60] both near Huambo.[61]

Sudan

[edit]

Using an SA-7, the Sudan People's Liberation Army shot down a Sudan Airways Fokker F-27 Friendship 400M taking off from Malakal on 16 August 1986, killing all 60 on board.[62] On 21 December 1989, an Aviation Sans Frontières Britten-Norman BN-2A-9 Islander (F-OGSM) was shot down by an SA-7 while taking off from Aweil Sudan, killing the four crew on board.[62]

Western Sahara

[edit]

The Polisario Front used SA-7s against the Royal Moroccan Air Force and Mauritanian Air Force during the Western Sahara War over the former Spanish colonies of the Spanish Sahara. The Mauritania Air Force lost a Britten-Norman Defender to a SA-7 fired by the Polisario on 29 December 1976.[63] Between 1975 and 1991, the Royal Moroccan Air Force has lost several Northrop F-5A Freedom Fighters and Dassault Mirage F1s to SA-7s fired by the Polisario.[64] In a case of mistaken identity, a Dornier 228 owned by the Alfred Wegener Institute for Polar and Marine Research was shot down over the Western Sahara near Dakhla on 24 February 1985. Two Dornier 228s named Polar 2 and Polar 3 were on a return flight to Germany following a South Pole expedition. After having taken off from Dakar, Senegal, en route to Arrecife, Canary Islands, flying 5 minutes behind Polar 2 and at a lower altitude of 2,700 m (9,000 ft), Polar 3 was shot down by a SA-7 fired by the Polisario.[65] The crew of three was killed. In another incident, on 8 December 1988, two Douglas DC-7CFs flying at 3,400 m (11,000 ft) from Dakar, Senegal to Agadir, Morocco for a locust control mission there, had SA-7s fired at them by the Polisario. One aircraft, N284, was hit and lost one of its engines and part of a wing. This led to the aircraft crashing, killing the crew of five.[66] The other aircraft, N90804, also was hit and lost an engine along with suffering other damage, but it was able to land safely at Sidi Ifni Morocco.[66]

Airliner attacks

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During the Rhodesian Bush War, members of the military wing of the Zimbabwe People's Revolutionary Army brought down two Vickers Viscount civilian airliners near Kariba; the first in September 1978, the second in February 1979. There was great loss of life in both instances as the flights were returning from a well known tourist attraction.[67]

  • Vickers Viscount, Flight RH825, 3 September 1978 – downed by a Strela missile near Kariba Dam. After initial impact, the pilot was able to make an emergency landing in a nearby field but the aircraft broke up on impact. Eighteen of the fifty-six passengers in the tail section survived the crash. Ten of these survivors were shot dead at the crash-site by insurgents, who later looted the bodies and wreckage.[67]
  • Vickers Viscount, Flight RH827, 12 February 1979 – shot by down Strela missile near Kariba Dam; all 59 people on board were killed.

UNITA claimed that they used one to shoot down a TAAG Boeing 737-2M2 taking off from Lubango on 8 November 1983.[68] A Lignes Aériennes Congolaises Boeing 727-30 taking off from Kindu was shot down by an SA-7 fired by rebel forces in 1998, killing all 41 on board.[68] Two missiles were fired at a Boeing 757 during the 2002 Mombasa attacks in Kenya. Neither missile struck its target.[69][70]

Latin America

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Argentina

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Strela-2M missiles were available to Argentinian troops in the Falkland Islands during the Falklands War. War Machine Encyclopedia shows no records of any launches, but several missiles were captured.[71]

Nicaragua

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The Strela-2 was used by both Sandinista government forces and US-backed Contra insurgents during the 1979–1990 civil war.

On 3 October 1983, at about 10:00 am, Sandinista soldier Fausto Palacios used a Strela to shoot down a Contra-operated Douglas DC-3 that had taken off from Catamacas airport in Honduras, carrying supplies, over the area of Los Cedros, in the Nueva Segovia Department. One crewman died in the crash and four were captured by government forces. The pilot, Major Roberto Amador Alvarez, as well as his co-pilot Capt. Hugo Reinaldo Aguilar were former members of the extinct National Guard of the former dictator Anastasio Somoza Debayle.[72][73][74]

On 27 August 1984, Sandinista soldier Fanor Medina Leyton shot down a Contra-operated Douglas C-47 Skytrain with a Strela. Sources differ over the attack and crash area: both a Russian source and Sandinista officials reported the Jinotega Department, while the Aviation Safety Network reports the Quilalí area in the Nueva Segovia department. All eight occupants were killed. The pilot, José Luis Gutiérrez Lugo, was reported as a former pilot for the Somoza family. Sandinista and Contra forces subsequently battled for the control of six packages dropped from the plane.[72][75][76]

On 5 October 1986 a Corporate Air Services C-123 Provider (HPF821, previously N4410F and USAF 54-679, (c/n 20128))[77] conducting a covert drop of arms to Contra fighters in Nicaragua was shot down by Sandinista soldier José Fernando Canales Alemán, using an SA-7. CIA pilots William J. Cooper and Wallace "Buzz" Sawyer as well as radio operator Freddy Vilches were killed in the crash. Loadmaster Eugene Hasenfus parachuted to safety and was taken prisoner. He was later released in December 1986.[78] The flight had departed Ilopango Airport, El Salvador loaded with 70 Soviet-made AK-47 rifles and 100,000 rounds of ammunition, rocket grenades and other supplies.[79]

On 15 June 1987, a Contra-operated Beechcraft Baron 56TC (reg. N666PF, msn. TG-60) was hit by Sandinista anti-aircraft fire over the Nueva Segovia Department. The (formerly civilian) light utility aircraft, which was removed from the US registry two years before,[citation needed] and was reportedly modified to carry rockets for use in an air-to-ground light strike role, was downed after an attack that reportedly included dropping leaflets and, possibly, reconnaissance.[80][81][82] The aircraft crashed 6 km (4 mi) inside Honduras, in an area known as Cerro El Tigre and its three occupants, all former military elements of the Somoza dictatorship, were injured and captured after the crash landing and were treated in Honduras.[83] The pilot, Juan Gomez, a former colonel in Somoza's National Guard was also reported to be the head of the Contra air force.[84] A Russian source credits the Baron's downing to an Strela-2 fired from Murra by Sandinista soldier Jose Manuel Rodriguez.[82][85]

El Salvador

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FMLN rebels acquired SA-7 missiles around 1989 and employed them extensively in the closing years of the Salvadoran Civil War, dramatically increasing the combat losses of Salvadoran Air Force aircraft. At least two O-2 Skymasters (on 26 September and 19 November 1990), one A-37 Dragonfly (on 23 November 1990), two Hughes 500 helicopters (2 February and 18 May 1990), and two UH-1Hs were lost to SA-7s. One of the UH-1Hs (on 2 January 1991) was crewed by US Army personnel, while the other was operated by the Honduran Air Force.[86][87]

Colombia

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In late December 2012, a video showing FARC rebels attempting to shoot down a Colombian Air Force Arpía helicopter with an SA-7 in the Cauca raised the alarm in the Colombian military, though the missile failed.[88][89] During that same month, a Strela was captured by the Colombian military. It is believed that they might came from Cuba, Nicaragua or Peru; the only Latin American operators of the type.[90]

Furthermore, the CIA's motive to remove and destroy Chinese copies of the SA-7 (HN-5s) from Bolivia in 2005 was the fear of them reaching FARC rebels because, according to a US military magazine, "they used the HN-5 against Colombian-operated U.S-made helicopters".[91] The Ecuadorian Army captured an HN-5 allegedly destined for the FARC in the border province of Sucumbíos, near Colombia, in July 2013.[92][93]

Europe

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Bosnia

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The Army of Republika Srpska, backed by the Armed Forces of Serbia and Montenegro, used Strela-2M and upgraded Strela-2M/A missiles against Bosnian, Croatian, and NATO forces. On 3 September 1992, an Italian Air Force G.222 transport was presumably shot down by an Strela-2M during a United Nations relief mission near Sarajevo. Serbian forces shot down a Croatian Air Force MiG-21 in September 1993 with a Strela-2M. On 17 December 1994, a French Navy Dassault Étendard IVP was hit by a Strela-2M, but managed to return to its carrier.[94]

During Operation Deliberate Force, NATO pilots were instructed to fly in medium altitudes to avoid Bosnian Serb MANPADS, such as the Strela-2 and the more modern Igla, although on 30 August 1995 a French Air Force Mirage 2000N was shot down by a Bosnian Serb MANPADS and its crew captured, the only aircraft lost during the campaign due hostile fire.[94]

Northern Ireland

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The Provisional Irish Republican Army (IRA) acquired some missiles from Libya. One was reported to have been fired at a British Army Air Corps Lynx helicopter in July 1991 in South Armagh; however, it missed its target.[95] To counter the new threat, the British helicopters flew in pairs below 15 meters (50 feet) or above 150 meters (500 feet).

Spain

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In 2001, the Basque separatist group ETA tried on three occasions (29 April, 4 and 11 May) to use Strela 2 missiles to shoot down the Dassault Falcon 900 aircraft with the then-Spanish Prime Minister Jose Maria Aznar on board. The attempts, which were made near the Fuenterrabía and Foronda airports, were unsuccessful as each time the missiles failed to launch. In 2004, several systems were captured by the Civil Guard.[96] Some Strela 2 missiles were bought from the IRA in 1999, while Libya was tracked as the original source used by the IRA.[97]

Ukraine

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During the Russian invasion of Ukraine, Germany reversed its ban on weapon sales to provide Ukraine with military support.[98] On 23 March 2022, German Foreign Minister Annalena Baerbock confirmed the delivery of 500 Strela-2 missiles which were part of former East German arsenals.[99]

Versions

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  • 9K32M Strela-2M: "SA-7b Grail"
  • Fasta-4M: East German variant consisting 4 Strela-2Ms mounted to a fully rotating turret. used by the NVA and Volksmarine
  • Strela 2M/A: Yugoslav upgraded version with larger warhead
  • CA-94 and CA-94M: Romanian license-built versions of the 9K32 and 9K32M, respectively
  • HN-5: Chinese unlicensed copy
  • Anza Mk-I: Pakistani version based on SA-7.[100]
  • Ayn al Saqr (عين الصقر; "Hawk Eye"): Egyptian copy[101]
  • Hwasung-Chong: North Korean license-built copy of Egyptian Ayn al Saqr system[5]

Operators

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Operators
  Current
  Former

Current operators

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Former operators

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Bibliography

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References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia
from Grokipedia
The 9K32 Strela-2 ( SA-7 ) is a man-portable, shoulder-launched system developed by the as an early (MANPADS) for engaging low-altitude and helicopters. It employs passive guidance with a solid-fuel motor, achieving a maximum of 3,200 meters and altitude of 2,300 meters, while the itself weighs 9.8 kg and measures 1.44 meters in length. Development began in the late , with the system entering Soviet service in , initially limited to rear-aspect engagements but improved in the 9K32M Strela-2M variant (SA-7b) for all-aspect capability and better resistance to countermeasures. As the Soviet Union's first widely produced MANPADS, the Strela-2 revolutionized infantry-level air defense by enabling individual soldiers to threaten low-flying targets, comparable in role to the contemporaneous American . It saw extensive combat deployment starting in the late , including during the where Egyptian forces achieved a hit rate of about 36% in early tests, and proliferated to over 50 nations and numerous non-state actors through Soviet exports and captures. Its simplicity and low cost facilitated widespread adoption, but limitations such as a narrow seeker field-of-view, vulnerability to flares, and requirement for visual led to the development of more advanced successors. Despite these shortcomings, the system's enduring legacy includes its role in forcing tactical shifts in air operations, such as increased use of low-level flying and countermeasures in conflicts from the to Afghan mujahideen engagements against Soviet forces.

Development

Origins and Initial Design

The development of the 9K32 Strela-2 began in 1960 within the , initiated as a response to the limitations of existing anti-aircraft in engaging low-altitude, high-speed during tactical operations. Traditional towed or self-propelled guns struggled with rapid and tracking against flying below 3,000 meters, prompting the to seek a lightweight, infantry-portable solution analogous to emerging Western systems like the U.S. , whose design work had started in 1959. The program proceeded in parallel with the vehicle-launched , prioritizing passive to enable uncued, engagements without reliance on or complex electronics, thereby reducing size, weight, and vulnerability to electronic countermeasures. Leadership of the effort fell to Boris I. Shavyrin, chief designer at the Tula-based Instrument Design Bureau (KBP), who assembled a cross-bureau team for initial conceptualization; this included intensive early-phase collaboration to define requirements such as a shoulder-fired launcher under 15 kg total weight, a range of up to 3.7 km, and a seeker optimized for rear-aspect targeting of engine exhaust plumes in the 3-5 micrometer band. The missile's core components—drawn from solid-fuel technology and proven designs—emphasized ruggedness for field use, with the guidance section developed separately by the Scientific of Physicotechnical Measurements (NIIFIZM) to ensure uncooled lead-sulfide detector sensitivity without cryogenic needs. This approach stemmed from causal priorities: minimizing mechanical complexity to achieve high production rates and operator simplicity, while accepting trade-offs like vulnerability to solar glare and basic decoys inherent to first-generation seekers. Prototyping and testing iterated on these foundations through the mid-1960s, addressing early seeker false locks and boost-sustain motor stability, before state trials confirmed viability against subsonic targets like helicopters and fixed-wing jets at altitudes up to 1.5 km. Acceptance into inventory occurred on March 8, 1968, marking the first operational MANPADS in the , though full-scale manufacturing ramped up by 1970 to meet export and domestic demands.

Production Milestones and Improvements

The 9K32 Strela-2 missile system entered full-scale production in 1970, shortly after its acceptance into Soviet military service in 1968. Initial manufacturing was handled by Soviet state enterprises under the design bureau (KBM), with the system designed as a lightweight, man-portable to counter low-flying aircraft. Production emphasized simplicity for mass output, enabling rapid deployment to forces and allies, though early units suffered from limitations such as narrow seeker bandwidth, restricting effectiveness against fast-moving or non-afterburning targets. Licensed production expanded internationally to bolster Soviet export capabilities and Warsaw Pact self-sufficiency, beginning with Bulgaria's VMZ factory in the early 1970s, followed by facilities in and Romania's Arsenalul. These arrangements allowed for localized assembly and minor adaptations, contributing to an estimated total output exceeding 50,000 missiles across all producers by the late period. Cumulative production figures reflect the system's role as a proliferation staple, with surplus units later appearing in hands due to lax export controls. Key production improvements focused on enhancing seeker reliability and lethality, informed by early combat feedback from Egyptian forces in 1970, where 99 launches yielded only 36 hits against Israeli aircraft. Subsequent manufacturing runs incorporated broadened infrared detection spectra and refined gyroscopic stabilization to mitigate launch plume interference, though these were incrementally applied before the major Strela-2M overhaul. In 1997, KBM proposed further retrofits for legacy stockpiles, including dual-band , but adoption remained limited outside export markets. These enhancements prioritized cost-effective upgrades over radical redesigns, sustaining the system's viability into the post-Soviet era despite superior Western counterparts.

Technical Description

System Components and Assembly

The 9K32 Strela-2 consists of three main components: the pre-loaded in a disposable launch tube, a reusable gripstock, and a thermal battery unit. The launch tube, designated as the missile container, houses the 9K32 and measures 1.43 meters in length with a weight of approximately 15 kg when loaded. It is designed for single use, ejected after launch, while the gripstock (9P54 or improved 9P54M) is reloadable and attaches detachably to the underside of the tube via a mechanical interface. Assembly begins with attaching the gripstock to the launch tube, securing it firmly to form the complete firing unit. The thermal battery (9B17), which provides electrical power, and the associated gas coolant ampoule for the infrared seeker are then inserted into the gripstock's compartment. Activation involves triggering the battery to ignite and puncturing the coolant ampoule, cooling the uncooled lead-sulfide seeker head to operational temperature in 10 to 15 seconds. The gripstock includes integral iron sights and a trigger mechanism that initiates launch upon target acquisition, with the system ready for shoulder-fired use once prepared. Optional accessories, such as an IFF interrogator (1L14), can be integrated into the gripstock for enhanced target discrimination, though not standard in basic configurations. The modular design allows depot-level reloading of the disposable tube up to five times before replacement, facilitating sustained field use.

Guidance System and Missile Mechanics

The 9K32 Strela-2 employs a passive infrared (IR) homing guidance system, utilizing a single-channel seeker head mounted in the missile's nose cone. This uncryogenically cooled lead sulfide (PbS) detector operates in the medium IR wavelength range, primarily targeting the heat signature from an aircraft's exhaust plumes, with effectiveness limited to receding targets due to its aft-aspect-only homing capability. The operator visually acquires the target, uncages the seeker by aligning the crosshairs and tracking the heat source until lock-on is indicated (typically via an aural tone from the gripstock), after which the missile is launched; post-launch, the seeker autonomously tracks the target without further operator input. The missile's mechanics begin with an initial ejection phase, where a small booster propels it from the launch tube at 27-31 m/s, clearing the operator before the main solid-propellant sustainer ignites approximately 5.5 meters downrange. The sustainer motor, burning for about 2 seconds, accelerates the to an average speed of 430 m/s (Mach 1.4), enabling engagement ranges from 800 meters to 3.4 km and altitudes of 50 meters to 1.5 km. Flight control is achieved through two forward movable ailerons for steering and four rear fixed ailerons for stabilization, employing a simple logic based on seeker deviation signals to direct the toward the heat source. The consists of a 1.17 kg high-explosive fragmentation section, containing approximately 370 grams of explosive, detonated by a contact fuse upon impact with the target; a backup mechanism activates 12-15 seconds after launch if no hit occurs. The 's layout sequences the IR seeker forward, followed by the and then the tandem sections, with the overall design emphasizing lightweight portability at 9.15 kg total weight and a 72 mm diameter. This configuration results in a ballistic post-burnout, reliant on initial and homing corrections for interception of low-altitude, slow-to-medium speed aircraft.

Performance Specifications

The 9K32 Strela-2 achieves a maximum of 3.2 kilometers against ground targets, with a minimum engagement distance of approximately 800 meters to avoid proximity fuse limitations. The system's engagement envelope extends from a minimum altitude of 50 meters to a maximum of 1.5 kilometers for the base variant, though the improved Strela-2M extends this ceiling to 2.3 kilometers. Flight speed reaches approximately 430 meters per second for the original model, equivalent to roughly Mach 1.25 at , with the Strela-2M variant attaining up to 500 meters per second. The missile employs a solid-fuel rocket motor providing initial boost and sustain phases, with total flight time to maximum range under 20 seconds. Guidance relies on a passive infrared seeker tuned to detect heat signatures in the 3-5 micrometer band, restricted to rear-aspect engagements due to early uncooling technology and limited off-boresight capability. The warhead consists of a 1.17-kilogram high-explosive fragmentation type with a contact and proximity fuse, designed to detonate within 3-4 meters of the target for lethality against low-altitude fixed-wing aircraft and helicopters.
ParameterStrela-2 (Base)Strela-2M (Improved)
Length1.44 m1.44 m
Diameter72 mm72 mm
Weight (Missile)9.8 kg9.8 kg
Max Range3.4 km4.2 km
Max Altitude1.5 km2.3 km
Speed430 m/s500 m/s
Warhead Weight1.17 kg (HE-FRAG)1.17 kg (HE-FRAG)
These specifications reflect design limits observed in service, with actual performance varying by target aspect, atmospheric conditions, and operator proficiency; the system's seeker demonstrates vulnerability to basic flares or sunlight reflections, reducing reliable engagement envelopes in non-ideal scenarios.

Variants

The 9K32M Strela-2M, designated SA-7b Mod 1 by , represented the primary upgrade to the original 9K32 Strela-2 , entering production in as an interim measure to address early operational limitations observed in testing and initial deployments. Key enhancements included an improved passive seeker with greater sensitivity to target signatures, a more effective high-explosive fragmentation for increased lethality against structures, and a higher-thrust solid-fuel motor that extended the missile's effective engagement envelope. These modifications raised the maximum to 4.2 kilometers from the original's 3.7 kilometers and the operational ceiling to 2,300 meters from 1,500 meters, while maintaining a missile speed of approximately 500 meters per second. The Strela-2M also incorporated a new indicator to aid operators in low-visibility conditions and reduce false locks, alongside minor refinements to the gripstock and launch tube for improved and reliability in field use. The missile weight increased slightly to 9.8 kilograms, with the full ready-to-fire system totaling about 15 kilograms, reflecting the added mass and motor enhancements without significantly compromising portability. Production rapidly supplanted the base Strela-2, becoming the standard export and Soviet service variant by the mid-1970s, with over 100,000 units manufactured before later systems like the superseded it. Related upgrades built incrementally on the Strela-2M framework, including the Strela-2M2 variant developed in the late , which featured a modified seeker head with enhanced resistance to infrared countermeasures such as flares through improved and a narrower . This iteration maintained core specifications but prioritized backend upgrades for better discrimination between decoys and actual jet engine exhausts, though it saw limited production primarily for specialized Soviet naval applications as the SA-N-5 . Foreign adaptations, such as the Yugoslav Strela-2M/A with localized seeker tuning for regional threats, emerged in the but retained fundamental 2M mechanics without major or redesigns. These evolutions extended the system's viability into the but highlighted persistent vulnerabilities to advanced electronic warfare, prompting shifts toward cryogenically cooled seekers in successor designs.

Foreign Copies and Derivatives

The HN-5 series represents China's primary unlicensed reverse-engineered copy of the 9K32 Strela-2, with production commencing in the late 1970s following acquisition of Soviet samples via during the and Egyptian supplies in 1974. The initial directly replicated the Strela-2's seeker and solid-fuel design, retaining similar performance parameters such as a 3.6 km engagement range and 1.5 kg high-explosive fragmentation , though subsequent variants like the HN-5A incorporated minor improvements in seeker cooling for better target discrimination. Over 10,000 units were produced by the early , proliferating to allies and influencing further derivatives. Egypt developed the Ayn al Saqr ("Hawk's Eye") as an indigenous copy of the SA-7 (Strela-2) in the early , leveraging captured or supplied Soviet systems to achieve self-sufficiency in man-portable air defense. This version maintained the original's 72 mm diameter, 1.17 m length, and passive guidance, with reported production exceeding 2,000 missiles by the mid-1980s for use in regional conflicts. Egypt also exported technical data and components derived from Ayn al Saqr to and , facilitating their independent production efforts. Pakistan's Anza Mk-I, introduced in 1990, derives indirectly from the Strela-2 through licensed production of the Chinese HN-5B, featuring enhanced battery life and a slightly improved seeker resistant to basic flares, with a maximum range of 4.2 km. Approximately 1,000 units were manufactured domestically, primarily for army use, though later Anza variants like the Mk-II shifted toward second-generation designs unrelated to Strela-2 lineage. North Korea produced unlicensed copies of the Strela-2 starting in the late , possibly under designations like Hwasung-Chong, after receiving Egyptian-supplied SA-7s and reverse-engineering them for integration into its air defense inventory. These systems retained core Strela-2 specifications, including a 3-4 km range and rear-aspect , with evidence of deployment in Syrian conflicts confirming operational similarity. Licensed derivatives include Romania's CA-94 (equivalent to Strela-2) and CA-94M (Strela-2M), produced from the onward with negligible modifications beyond local manufacturing adaptations, totaling several thousand units for Warsaw Pact-aligned forces. manufactured the Strela-2M/A under , incorporating minor ergonomic tweaks for Balkan production lines but preserving original guidance and propulsion characteristics. These efforts underscore the Strela-2's widespread replication due to its simple design and Soviet export policies, though many copies suffered from reliability issues tied to inconsistent quality control in non-Soviet facilities.

Operational History

Early Deployments in

The 9K32 Strela-2 was supplied to North Vietnamese forces during the later phases of the , marking its initial combat deployment in . Introduced to counter low-altitude U.S. and helicopters conducting and missions, the system complemented larger surface-to-air missiles like the SA-2 Guideline. North Vietnamese operators employed the Strela-2 primarily against heat signatures from engine exhaust, targeting platforms such as UH-1 Huey helicopters, AH-1 Cobra gunships, and OV-10 Bronco observation aircraft that flew below 1,500 meters. This deployment prompted immediate tactical adaptations by U.S. forces, including the increased use of flares—first deployed in to spoof the Strela-2's passive seeker—and restrictions on low-level flight profiles to minimize exposure. The man-portable nature of the Strela-2 allowed North Vietnamese infantry units to integrate it into mobile air defense networks, enhancing protection for ground operations during offensives like the 1972 . While exact kill counts remain debated due to varying attribution between Strela variants and other systems, confirmed engagements demonstrated its effectiveness against unalerted targets in visual range, with successful intercepts reported against slow-moving or hovering aircraft. No verified earlier uses in other Asian theaters, such as the 1971 Indo-Pakistani War, have been documented for the Strela-2, as recipient nations like acquired it subsequent to that conflict. The Vietnam experience highlighted the system's proliferation potential, influencing Soviet exports to allied forces across the region and underscoring its role in shifting air superiority dynamics toward ground-based defenses.

Middle East Conflicts

During the 1973 Yom Kippur War, Egyptian and Syrian forces deployed the 9K32 Strela-2 (SA-7 Grail) as a man-portable air defense system to counter low-altitude Israeli air operations, representing an early regional combat application of the weapon. In the 1982 Lebanon War, Palestinian Liberation Organization fighters used an SA-7 to down an Israeli aircraft, marking the sole confirmed such incident with the system during the conflict. Syrian occupation forces in Lebanon fired SA-7 missiles at U.S. Navy carrier-based reconnaissance aircraft on September 20, 1982, highlighting the system's threat to multinational air assets amid the multinational peacekeeping presence. Iranian forward maneuver units employed SA-7 systems for tactical air defense during the Iran- War (1980–1988), supplementing fixed defenses against Iraqi aerial incursions. integrated the SA-7 into its broader inventory for the 1991 , though coalition aircraft largely evaded or suppressed man-portable threats through electronic countermeasures and high-altitude tactics. In the (2011–present), Syria's pre-war stockpile included approximately 4,000 Strela-2 launchers, many of which proliferated to rebel factions; groups often designated Strela-2 variants as "Cobras" and employed them against Syrian regime helicopters and . Ansar al-Islam Front demonstrated operational SA-7 Strela-2 missiles in November 2016, underscoring ongoing transfers to non-state actors. Post-2003 conflicts in saw ISIS militants launch Strela-2 missiles at U.S. A-10 Thunderbolt II aircraft during airstrikes in January 2015, with at least four attempts reported but no confirmed hits. Iranian-backed militia groups attempted to engage U.S. military helicopters using Strela-2 on April 17, 2020, though the shots missed. As of 2024, armed non-state actors in Gaza and conducted successful Strela-2 launches, demonstrating the persistence of decades-old stockpiles despite degradation risks.

African Theaters

The 9K32 Strela-2 was employed by Angolan government forces and their Cuban allies during the , primarily to counter low-altitude operations in support of rebels and against insurgents in southern . South African forces frequently encountered and captured Strela-2 launchers from positions, reflecting the system's proliferation among Soviet-supplied insurgent groups in the region. The U.S. Naval Institute reported two confirmed South African aircraft losses to SA-7 missiles operated by Angolan or troops, highlighting the weapon's tactical impact despite its limitations against maneuvering jets. Specific incidents underscored the Strela-2's role in complicating South African air superiority. On 10 October 1980, a South African Atlas Mk II was downed by an SA-7 southwest of Mupa in southern , marking an early combat loss attributed to the system. Additional near-misses occurred, such as a 1 1983 Mk II struck in the tail cone by an SA-7 that failed to detonate, allowing a safe landing; these events prompted South African adaptations like infrared flares and modified flight profiles to mitigate infrared-homing threats. Cuban advisors integrated the Strela-2 into layered air defenses alongside heavier SAMs, though operational effectiveness varied due to the missile's rear-aspect seeker requirements and vulnerability to countermeasures. In the Rhodesian Bush War, Zimbabwe African People's Revolutionary Army (ZIPRA) forces acquired Strela-2 systems via Soviet and East Bloc support, using them to target Rhodesian air assets and civilian aviation. On 12 February 1979, ZIPRA guerrillas fired an SA-7 at Viscount VP-WND Umniati shortly after takeoff from Kariba Airport, downing the airliner and killing all 59 aboard in an apparent escalation against Rhodesian infrastructure. This incident, following a similar 1978 Viscount shootdown with unguided weapons, demonstrated the Strela-2's portability for guerrilla ambushes but also its indiscriminate application, as the missile struck a non-military target flying a standard approach profile. Rhodesian forces responded with intensified hunter-killer operations to neutralize SA-7 teams, reflecting the system's disruptive potential in asymmetric low-intensity conflicts.

Soviet-Afghan War and Post-Cold War Asia

During the Soviet-Afghan War from December 1979 to February 1989, Afghan Mujahideen forces employed the 9K32 Strela-2 (SA-7 Grail) MANPADS against Soviet and Democratic Republic of Afghanistan (DRA) aircraft, primarily obtaining them through captures from DRA stockpiles, Egyptian-supplied Sakr Eye variants, and black market acquisitions. The system proved effective against low-flying helicopters and fixed-wing aircraft, with documented successes including the downing of Soviet Mi-series helicopters starting in the early 1980s. Mujahideen operators began integrating Strela-2 systems more systematically from 1982 onward, achieving notable hits such as the October 1984 strike on a Soviet An-22 transport aircraft, which reportedly resulted in significant personnel losses. The Strela-2's passive homing guidance allowed fighters to target Soviet aviation assets operating in rugged terrain, contributing to overall Soviet attrition estimated at over 450 losses, though precise attribution to Strela-2 versus other threats like small arms or later missiles remains challenging due to overlapping tactics and limited declassified records. Despite vulnerabilities to basic countermeasures such as flares and aircraft speed adjustments, the weapon's portability and enabled widespread deployment by lightly equipped guerrilla units, forcing Soviet pilots to alter low-level tactics and increase reliance on higher-altitude operations. Following the Soviet withdrawal in 1989, residual Strela-2 stockpiles proliferated among factions in the ensuing Afghan Civil War (1989–2001), where they were used by successors, the , and groups to contest air superiority in internecine conflicts involving captured or donor-supplied helicopters. These systems, often in degraded condition from prior use and poor maintenance, continued to pose risks to low-altitude flights, though their effectiveness diminished amid competing advanced MANPADS introductions and the chaotic supply environment. In Central Asian states like , Strela-2 entered inventories post-independence and saw potential employment during the 1992–1997 civil war, bolstering ground forces against limited aerial threats from opposing militias. Overall, post-Cold War persistence in highlighted the enduring proliferation challenges of early-generation MANPADS in unstable regions, with many units remaining in service or black markets into the 21st century.

European and Recent Conflicts

During the bombing campaign in (Operation Allied Force, March–June 1999), Yugoslav Army forces employed 9K32 Strela-2 systems in attempts to counter low-altitude aircraft over . On March 24, 1999, the first day of airstrikes, a U.S. Air Force A-10 Thunderbolt II was damaged by a Strela-2 missile fired from a launcher, forcing an at Skopje airport in ; the aircraft was repaired and returned to service. Yugoslav forces also used Strela-2s during the earlier (1992–1995), where Serbian units operated the system, leading to post-conflict confiscations and destructions of captured launchers by international forces in 1996. These deployments highlighted the system's role in asymmetric air defense against superior airpower, though no confirmed aerial kills were achieved against due to countermeasures and operational tactics employed by coalition pilots. In the , commencing with Russia's full-scale invasion on February 24, 2022, Western nations supplied with surplus 9K32 Strela-2 missiles from War-era stockpiles to bolster short-range air defenses against Russian helicopters and low-flying aircraft. transferred approximately 2,700 ex-East German Democratic Republic Strela-2 systems (acquired after in 1990) to in early 2022, with initial approvals for 1,000 units announced on March 2, 2022, followed by additional shipments. These donations aimed to address 's urgent need for man-portable air-defense systems amid shortages of modern alternatives like FIM-92 Stingers. While specific combat engagements involving Strela-2s remain sparsely documented in open sources, their provision underscores ongoing proliferation of legacy Soviet MANPADS in contemporary European conflicts, where they serve as supplementary weapons against drones, helicopters, and slow-moving targets despite limitations in range and guidance against advanced countermeasures. No verified shootdowns attributable to these transferred systems have been publicly confirmed as of 2025.

Effectiveness and Limitations

Confirmed Kills and Success Rates

![Holes caused by SA-7 missile on AC-130 gunship tail]float-right The 9K32 Strela-2 achieved confirmed kills predominantly against helicopters and low-speed in early combat deployments, reflecting its limitations as a first-generation infrared-homing MANPADS requiring tail-aspect engagements and uncued seekers. In the (1967–1970), Egyptian-operated Strela-2 systems downed at least one Israeli A-4 Skyhawk fighter-bomber in 1969, marking an early verified success against jet aircraft. During the Vietnam War's Easter Offensive in 1972, North Vietnamese forces introduced the Strela-2, contributing to heightened risks for low-altitude U.S. and South Vietnamese helicopters, though precise confirmed losses attributable solely to the system remain limited in declassified U.S. records, with overall MANPADS impacts noted in operational histories. Combat effectiveness showed an initial hit rate of approximately 33% against unaware targets, dropping sharply to a few percent as U.S. pilots employed evasive tactics, altitude adjustments, and early flare countermeasures. In the Soviet-Afghan War, mujahideen use of captured or supplied Strela-2 missiles yielded sporadic successes, including the downing of a Soviet An-22 heavy transport in October 1984 near Kabul, resulting in up to 200 personnel fatalities—one of the most lethal single incidents attributed to the system. However, overall kill rates remained low against Soviet fixed-wing jets due to operational adaptations like high-altitude flying and infrared decoys, with most engagements favoring vulnerable helicopters under ideal rear-hemisphere conditions. Manufacturer-assessed single-shot kill probabilities hovered around 0.25 against suitable targets, underscoring the system's reliance on operator skill and target vulnerability rather than advanced guidance resilience. Later conflicts, such as those in and , saw additional unquantified kills against South African and Israeli low-flying assets, but proliferation to non-state actors often resulted in minimal verified successes owing to deficiencies and countermeasures proliferation. Aggregate data from multiple theaters indicate that while the Strela-2 revolutionized portable air defense by forcing tactical shifts in low-level operations, its practical success rate seldom exceeded 20–30% in sustained use against alerted adversaries.

Countermeasures and Failures

The 9K32 Strela-2's passive seeker, operating in the 0.65–0.75 μm band, proved highly susceptible to basic countermeasures, including flares and exhaust suppressors, which disrupted lock-on by overwhelming the with false signatures. evasive maneuvers, such as high-G turns or terrain masking, further reduced hit probabilities by exploiting the missile's limited tracking rate of 9 degrees per second and narrow 1.9-degree . Early warning systems like the Cincinnati AAR-44 detector and jammers such as the Northrop AAQ-4 were recommended to detect and defeat Strela-2 launches, enabling preemptive flare dispensing or (DIRCM). Operational limitations compounded these vulnerabilities, restricting effective engagements to tail-chase scenarios against low-speed targets like helicopters and transports, as the seeker required a clear exhaust plume view and struggled against frontal or beam aspects. The system's cryogenic cooling mechanism, reliant on external cooling rods, failed in prolonged use or high ambient temperatures, while the seeker often locked onto non-target sources such as clouds, the sun, or heated ground, leading to misses. Firing from altitudes below 30–50 meters above impaired seeker performance due to ground clutter interference, and overall effectiveness diminished in adverse weather or low-visibility conditions where contrast was reduced. Poor lethality, with a small high-explosive fragmentation charge, frequently resulted in non-catastrophic hits that failed to destroy hardened structures. Combat records highlight these shortcomings: during the 1972 Easter Offensive in Vietnam, approximately 500 Strela-2 launches yielded only 45 confirmed aircraft kills, with an initial success rate of around 33% that declined sharply as U.S. forces deployed flares and tactical modifications. In the 1973 Yom Kippur War, Egyptian and Syrian operators achieved negligible results against Israeli fast jets employing speed and altitude advantages. The system's first recorded combat use in 1971 over the Suez Canal saw an SA-7 strike an Israeli aircraft but fail to detonate on impact. Soviet experiences in Afghanistan demonstrated initial successes against Mi-8 helicopters and Il-76 transports, but effectiveness waned after 1986 countermeasures like infrared suppressors on exhausts and improved flare dispensers were retrofitted, reducing hit rates to low single digits in many engagements. Persistent issues, including battery degradation causing in-flight failures, were noted in later proliferated uses, such as by Syrian rebels in 2014.

Proliferation and Operators

State Operators

The 9K32 Strela-2 entered service with the Soviet Union in 1968 as a foundational man-portable air-defense system and was extensively supplied to Warsaw Pact allies and exported to client states worldwide during the Cold War era. Production occurred under license in multiple nations, including Bulgaria, China (as the HN-5 variant), Egypt (as Sakr Eye), Poland, Romania, and the former Yugoslavia, facilitating broader proliferation among state forces. Former Eastern Bloc countries adopted the system en masse, with operators including , (predecessor to the and ), (whose stocks were inherited by unified ), , , and . In the Middle East and North Africa, states such as , , , , , and integrated Strela-2 units into their inventories for low-altitude air defense. Asian operators encompass , , , , , and , reflecting Soviet and post-Soviet arms transfers to both communist and non-aligned regimes. Across , the missile equipped militaries in , , , , , , , , , , , , and , often as part of broader Soviet packages. Limited adoption occurred outside typical Soviet spheres, with designating it as ITO 78 and evaluating or operating units. In 2022, transferred approximately 1,000 Strela-2 missiles from East German stockpiles to for use against Russian aircraft. While many operators have transitioned to successor systems like the or Western equivalents, residual stocks persist in lower-readiness forces due to the weapon's low cost and ease of maintenance.

Non-State Actors and Illicit Transfers

Non-state actors have obtained 9K32 Strela-2 (SA-7 Grail) systems primarily through illicit diversions from state stockpiles, battlefield captures, and networks, enabling their use against low-flying in asymmetric conflicts. , a Lebanon-based militant organization, maintains SA-7 missiles in its arsenal, which includes thousands of rockets and anti-aircraft systems acquired via smuggling routes from and . In the , groups such as and possess Strela-2 MANPADS, with evidence of their deployment against Israeli unmanned aerial vehicles as early as 2013; these weapons likely originated from operations linked to Libyan stockpiles post-2011. Similarly, in Egypt's , jihadist militants affiliated with Wilayat Sinai have wielded Strela-2 variants against military helicopters, sourcing them through regional illicit trade networks documented as recently as 2019. The 2011 collapse of Libya's Gaddafi regime facilitated widespread looting of approximately 20,000 MANPADS, including SA-7s, which UN investigations traced to transfers benefiting non-state actors in , , and ; seizures by Lebanese authorities in 2011 confirmed SA-7 shipments from Libyan origins to . In 's , opposition factions and Islamist groups captured Strela-2 units from regime depots, enhancing their air defense capabilities against government and coalition aircraft, though operational success remained limited due to countermeasures and missile degradation. Sub-Saharan African insurgencies, including those by al-Shabaab in , have integrated salvaged or trafficked SA-7s, sustained by porous borders and weak state controls that perpetuate MANPADS circulation from Cold War-era stockpiles. Globally, an estimated thousands of MANPADS circulate on black markets, with Strela-2's obsolescence and low cost—often under $10,000 per unit—making it accessible to terrorists despite international efforts like the to curb diversions.

Incidents Involving Civilian Aircraft

Documented Shootdowns

On 3 September 1978, , a 782D registered VP-WAS operating as a scheduled domestic service from Kariba to , was struck by a 9K32 Strela-2 fired by (ZIPRA) guerrillas shortly after takeoff, causing the starboard engines to fail and leading to a crash-landing in the Whamira Hills; 48 of the 56 occupants died on impact, while 10 survivors were executed at the site by the guerrillas. The 's seeker locked onto the aircraft's engine exhaust, detonating the and severing fuel lines. A second Air Rhodesia Viscount, Flight 827 registered VP-YND and operating on 12 February 1979 from Kariba to , was downed by another ZIPRA-fired Strela-2 that struck the inner port engine's jet pipe, resulting in an uncontrolled descent and crash in the Vuti Purchase Area; all 59 occupants perished. Investigations confirmed the missile's impact severed hydraulic and fuel systems, with no survivors due to the terrain and post-crash fire. In zones, additional cases include the 21 1989 shootdown of a Britten-Norman BN-2A Islander registered F-OGSM, operated by humanitarian group Aviation Sans Frontières on a relief flight from Aweil to in , hit by a Strela-2 during initial climb near Aweil, killing all four occupants. The missile targeted the low-altitude, slow-moving aircraft, causing structural failure. On 10 October 1998, a 727-30 registered 9Q-CSG, operated by Lignes Aériennes Congolaises as a non-scheduled passenger charter from to in the of Congo, was struck by a rebel-fired Strela-2 approximately three minutes after takeoff near Airport, leading to an explosion and crash that killed all 41 on board. Wreckage analysis indicated the missile's proximity fuse detonated near the , compromising . These incidents highlight the Strela-2's effectiveness against low-flying civilian transports in asymmetric conflicts, with successes attributed to the system's portability and heat-seeking guidance exploiting unprotected engine plumes, though attribution relies on post-incident forensics and combatant claims corroborated by aviation safety databases. No verified Strela-2 shootdowns of large jet airliners at cruise altitudes have been documented, consistent with the system's range and speed limitations.

Contextual Factors and Attribution Challenges

Incidents involving the 9K32 Strela-2 against civilian aircraft have predominantly occurred in African civil wars during the era, where Soviet-supplied MANPADS proliferated among proxy forces backed by bloc powers. In (now ), ZIPRA insurgents, armed via Soviet channels through and , employed Strela-2 missiles to target low-flying civilian flights over contested bush terrain, as seen in the shootdowns of Vickers Viscounts on September 3, 1978 (48 fatalities) and February 12, 1979 (59 fatalities). Similarly, in , the Sudan People's Liberation Army (SPLA) used an SA-7 to down a Sudan Airways Fokker F-27 on August 16, 1986, killing 60 aboard during takeoff from amid the Second . These events reflect broader contextual dynamics: proxy conflicts flooded non-state actors with surplus or captured first-generation infrared-homing systems, enabling opportunistic strikes on vulnerable propeller or early-jet airliners lacking countermeasures, often in regions with minimal or flight coordination to distinguish civilian from military operations. In Angola's , rebels were suspected of downing a on November 8, 1983, with 130 fatalities, using an SA-7 amid widespread MANPADS availability from both Soviet (to /Cubans) and captured stocks, though the exact weapon remains unconfirmed due to the remote crash site. Such environments amplified risks through factors like inadequate pilot warnings, routine overflights of active combat zones, and insurgents' limited training, which prioritized tactical denial of air support over target discrimination, leading to hits on engines during climb-out phases when signatures peak. Proliferation exacerbated this: post-colonial transfers and losses disseminated thousands of Strela-2 units across unstable states, with poor inventory tracking by supplier regimes enabling unchecked flows to irregular forces. Attribution faces inherent challenges in these asymmetric conflicts, where forensic recovery is impeded by inaccessible terrain, ongoing hostilities, and destruction of missile remnants that lack unique serials or telemetry. Eyewitness accounts from biased combatants or survivors often conflict, as seen in Rhodesian cases where ZIPRA publicly justified strikes as anti-colonial but denied specifics to evade escalation, while governments amplified claims for propaganda. Multiple factions' access to identical Soviet systems—via aid, theft, or barter—clouds perpetrator identification, with denials common to sidestep international sanctions or donor backlash; for instance, SPLA responsibility in Sudan relied on contextual inference rather than wreckage analysis, as black market sourcing obscured supply chains. Academic and UN assessments note systemic underreporting or misattribution due to state media biases and lack of independent verification in low-infrastructure zones, underscoring the need for multi-source corroboration beyond partisan narratives.

References

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