Sukhoi Su-17

Shortly after the Su-7 fighter-bomber was put into service, the Sukhoi Design Bureau was ordered to develop a modernisation program. The program would be aimed primarily at updating on-board avionics and takeoff/landing characteristics. The concept of variable-geometry wings, something gaining wider attention at that time, was adopted. The program was to be led by Sukhoi's head designer, Nikolay Zyrin. In 1963, the Sukhoi OKB with input from TsAGI created a variable-sweep wing technology demonstrator. The S-22I (also known as the Su-7IG, NATO designation "Fitter-B"), converted from a production Su-7BM, had fixed inner portions of the wing with movable outer segments that could be swept to 28°, 45°, or 62°. The S-22I first took off (with Vladimir Ilyushin at the controls) on 2 August 1966. It was later demonstrated at the air parade in Domodedovo in July 1967. Flight testing revealed that the configuration improved both take-off/landing characteristics, range and endurance. Handling was generally better than the fixed wing Su-7, with the exception that buffeting at high angles of attack to warn of imminent stall no longer occurred. The aircraft was sent into serial production in 1969 by a joint resolution of the Central Committee of the Communist Party of the Soviet Union and the Council of Ministers. The design of the Su-7IG was modified further, eventually with enough difference to justify the S-32 internal designation. The S-32 first took off on 1 July 1969, with Yevgeny Kukushev at the controls. Serial production started at Yuri Gagarin Aviation Factory (now KnAAPO) in 1969. The 523rd Aviation Regiment, of the Far East Military Okrug, was the first to receive the Su-17. The Su-17 was produced until 1990, producing 2867 units. The Su-17 resembles its predecessor, the Su-7, with weight-saving measures added at the cost of combat survivability, an example of which is the removal of pilot protection armor. The prototype S-22I differed little from the Su-7 except for the wing, essentially a technology demonstrator for the variable-geometry wing. It was later lost in an accident. Following the S-22I, two pre-production prototypes were constructed, designated S32-1 and the S32-2. The two aircraft mounted updated avionics, and replaced the older AP-28I-2 autopilot with the newer SAU-22 automatic control system. The next series of prototypes were the Su-7-85, with 85 indicating the batch number. The batch of ten aircraft incorporated a redesigned fuselage, a streamlined cockpit (similar to the Su-7U), extra, more accessible maintenance hatches, and an upward-opening canopy. The front of the cockpit was protected with a windshield and two electrically heated side windows. The first three aircraft of the 86th batch incorporated clear windshields with warm air blown at them, taken from the 9th stage of the engine compressor. However, this windshield was dropped in favor of the more traditional glazed windshield following tests by the 4th Combat Use and Retraining of Air Force Personnel Center in Lipetsk. The Su-7-85 was equipped with a modified KS4-S32 ejection seat, capable of safely ejecting the pilot at speeds above 140–170 km/h. The fuel system was modified from the Su-7, as well; fuel was stored in three lightweight tanks, with provisions for up to four disposable auxiliary tanks each with 600 litres of capacity (itself used on the Su-7B), or two PTB-1150 tanks with 1150 litres each, mounted on "wet" pylons under the fuselage. The wing was largely unmodified from the S-22I. The stationary part of the wing was half as long as the rotating part. With wings at maximum sweep, the Su-17 would look virtually identical to the Su-7. A slide-out flap was installed on the stationary part of the wing, while a slat, a rotating flap and aileron were mounted on the rotating part. The sweep angle could be configured between 30° and 63°. The horizontal and vertical tails were swept at 55°. Flight control was assisted by non-reversing hydraulic boosters, the BU-220DL2 and -220DP2 for the left and right ailerons, the BU-250L and -250P for the stabilizers and the BU-250DRP for the rudder. The flight control systems were spring-loaded to provide feedback on the stick and the rudder pedals. Three independent hydraulic systems are installed on the Su-17—an actuating system and two booster systems, each with a hydraulic pump. The actuating hydraulic system was responsible for adjusting the sweep angle of the wing, deploying/retracting the landing gear, the flaps and slats, adjusting the intake ramps, the flight control mechanisms used by the SAU-22 autopilot, and the steering front wheel. The booster systems control the flight surfaces. The systems operate in parallel to ensure safe operation in the event of a failure. The remaining operational system would provide power to the flight surfaces, albeit at half the power. The Nr 1 booster system feeds the GM-40 hydraulic motor driving the rotary parts of the wing. All hydraulic systems are fed with the AMG-10 hydraulic fluid, with a standard operating pressure of 215 kgf/cm2 for the booster systems and 210 for the actuating system. A pneumatic system with a 150kgf/cm2 pressure operates the normal and emergency brakes on the landing gear as well as the emergency landing gear/flaps deployment system, and was responsible for charging the two NR-30 cannons mounted on the aircraft, pressurizing the cockpit, opening/closing the canopy and pressurizing the hydraulic fluid tanks. The Su-17 was powered by a modified Lyulka AL-7F1-250 with a slightly uprated thrust of 9600 kgf on afterburners. It was equipped with a compressor actuator with redundancy, and a system for intake adjustment. The aircraft would need to be disassembled into two halves to replace its engine. Jettisonable SPRD-110 RATO boosters are available to facilitate take-off on short runways, providing a momentary thrust of up to 3000 kgf. On-board electronics are fed by a 28V DC circuit and a 115V, 400 Hz single-phase AC circuit, fed by two GS-12T DC generators, an SGO-8TF AC generator and a 20NKBN25 nickel–cadmium battery. The Su-17 has the ability to carry free-fall nuclear bombs with a BDZ-56FNM bomb rack. A special code device would be installed in the cockpit, mandating a correct code input before the bomb could be armed and released, to prevent unauthorized uses of nuclear weaponry. The aircraft also has a toss bombing capability for nuclear weapon delivery, with which it could approach the target, initiate a steep climb and release the bomb when pointing almost upright, and then activate afterburners to escape the blast radius. A special IAB-500 bomb was designed specifically for practicing such a bombing technique. ==Operational history==

Soviet Union/Russia The Su-17 was used during the Soviet-Afghan war during Operation South and launched air strikes on a Mujahideen base at Robat Jaali near the Iranian Afghan border. The Su-17M3/4 were used during the First Chechen War alongside Sukhoi Su-24s and Sukhoi Su-25s in ground attack and reconnaissance missions. In a move to eliminate single-engine strike aircraft from its inventory, the Russian Air Force retired its last Su-17M4 along with its fleet of MiG-23/27s in 1998. Angola The Soviets supplied the communist government of Angola with 12 Su-20Ms in 1982 or 1983, which formed the basis of the 15th FS. The squadron suffered a swift loss of at least six aircraft – most in mishaps – by 1985, and three more by 1988, and had only two aircraft left when it was reinforced with batch of 14 Su-22M-4Ks and two Su-22UM-3Ks in 1989–90 (incorporated into the 26th Air Regiment, based in Moçâmedes). Iran On 3 March 2026 CENTCOM released a footage showing two Iranian Su-22s destroyed by United States on the ground in the military airfield during 2026 Iran conflict. Iraq From 22 September 1980 to 20 August 1988, during the Iran–Iraq War, Iraq used Su-17 export versions (Su-20 and Su-22) alongside older Su-7s. They were mostly used in ground-attack and close air support roles. Iranian Grumman F-14 Tomcats shot down 21 Su-20/-22s, that western sources have confirmed. Eighteen Su-20/-22s were also shot down by Iranian McDonnell Douglas F-4 Phantom IIs. and three by Iranian Northrop F-5s. In October 1980, an Iraqi Su-20 scored its sole kill of the war when an Su-20 of the 1st Fighter Squadron piloted by 1st Lt. Riadh Y. Yousef scored a gun kill with its 30 mm cannons on an F-4E, killing both crew (identified as Din-Mohammadi and Nouri-Bahadori). Official Iraqi accounts show no loss of Su-20 aircraft throughout the war against the Kurds and Iran. Twenty Su-22M2s, two Su-22M3s and seven Su-22M4s were lost during the war with Iran, the majority to anti-aircraft fire sustained during low-level bombing raids against Iranian front lines. In 1991, during the Gulf War, Iraqi Su-22s saw limited active service because the Iraqi regime distrusted the Iraqi Air Force (IQAF). On 7 February 1991, two Su-20/22s and one Su-7 were shot down by United States Air Force McDonnell Douglas F-15 Eagles using AIM-7 air-to-air missiles when the IQAF was moving its aircraft to Iran. On 20 and 22 March 1991, two other Su-22s were downed by USAF F-15s in an attempt to protect Kurdish civilians before the start of Operation Provide Comfort to provide humanitarian aid and the establishment of a no-fly zone north of 36th parallel. Libya Two Libyan Su-22s were shot down in the Gulf of Sidra incident by United States Navy Grumman F-14 Tomcats on 19 August 1981. One Su-22 launched a K-13 missile head-on at one of the F-14s from an estimated 300-meter (984-foot) closing distance, however the missile was evaded. Both were then downed by AIM-9 Sidewinder missiles. On 8 October 1987, in the aftermath of the Chadian–Libyan conflict, an Su-22 was shot down by a FIM-92A Stinger launched by Chadian forces. The pilot, Capt. Diya al-Din, ejected and was captured. He was later granted political asylum by the French government. During the recovery operation, a Libyan Mikoyan-Gurevich MiG-23MS was shot down by a Stinger. A Libyan Su-22 crashed near Benghazi on 23 February 2011. The crew members, Captain Attia Abdel Salem al Abdali and his copilot, Ali Omar Gaddafi, were ordered to bomb the city in response to the Libyan Civil War. They refused, bailing out of the aircraft. Su-22s were heavily used by Libyan loyalist forces against insurgent forces from mid-February to mid-March 2011, when the international mission started and the no fly zone was imposed. Among other missions, Su-22s attacked Anti-Gaddafi positions in Bin Jawad in early March 2011 as government forces retook the town. One Libyan Air Force Su-22 was destroyed on the ground by a Belgian Air Force F-16AM on 27 March. Peru Peru was the only export customer of the type in the Americas. On 11 April 1980, a Peruvian Su-22 responded to a UFO incident over the Arequipa region. On 24 April 1992, in a context of diplomatic and political tensions between Peru and the US after the autocoup orchestrated by Peruvian President Alberto Fujimori 19 days before, Peruvian Su-22s attacked a Lockheed C-130H Hercules of the United States Air Force's 310th Airlift Squadron which was intercepted at sea, northwest of Lima, injuring six of the 14 crew members. Master Sergeant Joseph C. Beard Jr. was killed when he was sucked from the cabin at 18,500 feet, and crew member Ronald Hetzel sustained severe injuries. The Hercules' pilot barely managed to land the crippled plane, with one engine damaged and three blown landing tires, at a Peruvian Air Force base near the city of Talara, where the crew was detained, and the bullet-ridden plane impounded, before being freed after US government pressure. Peru, however, denied that the two Su-22As were shot down by Mirages, stating that one was struck by Ecuadorian anti-aircraft artillery during a low flying ground-attack mission and the second crashed because of an engine fire. The Su-22s flew 45 sorties into the combat zone. A 20-strong force of Su-22s was established at El Pato as a retaliatory force should Ecuador decide to attack the coastal port. Poland The Polish Air Force received their first Su-22M4 (3005) on 28 August 1984, with the Fitter being delivered to Piła Air Base. The Polish Air Force would go on to operate 90 Su-22M4s and 20 Su-22UM3Ks. On 19 August 2003, a Polish Air Force Su-22M4K was accidentally shot down by friendly fire during an exercise by a Polish 2K12 Kub missile battery. The aircraft was flying 21 km from the coast over the Baltic Sea near Ustka. The pilot ejected and was rescued after two hours in the water. In 2012, Poland was investigating the replacement of its Su-22s with three squadrons of unmanned aerial vehicles. As of 2014 the Polish Air Force was planning to retain the Su-22s in service. The decision was hoped to have a positive impact on Polish industry, as the WZL nr 2 repair facility in Bydgoszcz would maintain the remaining aircraft under contract to the Air Force. The decision would also allow the Air Force to retain the well-trained ground crews and pilots operating the aircraft. The Poles consider the Su-22 easier to maintain and repair than the other main combat aircraft types currently in Polish service (mainly the MiG-29 and the F-16). They suffer from fewer malfunctions and other problems (high, 70–75% non-error index). It is the only aircraft in Polish inventory equipped for electronic intelligence, warfare, and support of ground systems. The Polish Air Force retained a large stockpile of air-to-ground weapons for use with the Su-22. By some estimates, the cost of destroying these resources would be higher than the projected cost of continuing Su-22 operations. It was decided that starting from 2015, only 12 Su-22M4s and 4-6 Su-22UM3Ks out of 32 remaining would undergo a refit, extending their lifespan by ten years. For economic reasons the aircraft are not modernized, apart from fitting an additional RS-6113-2 C2M radio with a blade antenna on the top, but they received a grey multishade camouflage, similar to other Polish aircraft. Several Polish Su-20s and Su-22s were donated to various museums, including the Polish Army Museum in Warsaw, the Armament Museum in Poznań, the Museum of Polish Arms in Kołobrzeg and the Polish Aviation Museum in Kraków. Other were placed on monuments or donated to schools as technical aids. Following the acquisition of 48 KAI T-50 Golden Eagle aircraft from South Korea in 2022, the Su-22 fleet was to be retired. Polish Su-22s were retired in September 2025. Syria F/A-18 Super Hornet before being shot down The Syrian Air Force (SyAAF) used Su-20/-22s to attack Israeli forces in the Yom Kippur War From mid-2012, in the Syrian Civil War, Syrian Air Force Su-22s were involved in combat operations against Syrian insurgents. Videos showed Su-22s using unguided munitions like other SyAAF fixed-wing aircraft; mostly general-purpose bombs, cluster bombs and incendiary bombs and unguided rockets. Attack tactics were low to medium-altitude flat bombing runs with pull up after rocketing or bombing, deploying decoy flares for self-defense. As of the end of 2015, the SyAAF Su-22s suffered fewer losses compared to the SyAAF MiG-21 and MiG-23. The first confirmed loss of an SyAAF Su-22 was recorded on 14 February 2013, when rebel forces shot it down using MANPAD. On 18 June 2017, a US F/A-18E Super Hornet engaged and shot down an SyAAF Su-22 for dropping munitions on US-backed forces. According to the wingman of the Super Hornet that made the kill, the Syrian pilot was able to eject and was later returned to the Syrian government. On 24 July 2018, an SyAAF Su-22 that entered Israeli airspace was shot down by two Israeli Patriot missiles. Other Syrian Su-22 jets were downed during the civil war. Yemen On 11 August 2009, Yemeni armed forces started Operation Scorched Earth in northern Yemen to fight Houthi rebels. The Yemeni Air Force backed the army with air raids on rebel positions. On 5 October 2009, a Yemeni Su-22 crashed, with the rebels claiming to have shot it down. Earlier on 2 October, the Yemeni revolutionaries said they shot down a "MiG-21" while the military insisted technical problems caused the crash. On 8 November, a third Yemeni fighter aircraft, reported to be a Sukhoi, was destroyed. Again the military alleged technical problems, while the Yemeni rebels claimed they shot it down. The pilot ejected and was recovered by friendly forces. The Yemeni Air force used Sukhoi aircraft during the Arab Spring uprising. On 28 September 2011, a Yemeni Air Force Su-22 was shot down by tribesmen opposed to the rule of President Saleh. The government confirmed that rebels were responsible for the shoot-down, and that the pilot had been captured. On February 19, 2013, a Yemeni Su-22 on a training mission crashed for unknown reasons into Sanaa, killing 12 civilians. On May 13, 2013, another Yemen Su-22 on a training mission crashed in Sanaa, killing the pilot. ==Variants==

Multiple Su-17 variants were examined. Su-7IG (S-22I, "Fitter-B") Su-7BM variable geometry wing demonstrator. Su-17 (S-32, "Fitter-C") Fitter-C was the initial production version, with a dorsal spine similar to that of the Su-7U (carrying wiring and equipment). It was powered by the same Lyulka AL-7F-1 engine as the Su-7. It was manufactured between 1969 and 1973, new avionics, and an AL-31F turbofan. It was not built. Su-20 This was the initial export version of the Su-17M (S-32MK). Su-22M5 This was a Russian-French upgrade package offered for existing aircraft with modernized cockpit, HOTAS, improved avionic systems, and laser rangefinder replaced by Phazotron/Thomson-CSF radar. Su-22U The S-52U two-seat combat-trainer, export version of the Su-17UM, with a completely re-designed nose housing the tandem cockpits for student and instructor. Gun pods such as the GSh-23 based UPK-23 and SPPU-22 were utilized by the Su-17, Su-20, and Su-22. The SPPU-22 ground attack variant featured 30 degrees of traverse. An experimental version of the Su-20 was built with fixed wings attached to an Su-17M fuselage, in an effort to increase Payload/range performance by eliminating the weight of the wing sweep system. Good results were obtained in flight tests in 1973, but further development was cancelled. Tactical Reconnaissance versions of all variants could be made by fitting the KKR (Kombinirovannyi Konteiner Razvedky – combined reconnaissance pod) on the centre-line hardpoint. In-house OKB designations ;S-22I :The first prototype "Variable-Geometry" Su-7, converted from a production Su-7BM, first flown on 2 August 1966. ;S-32 : The initial production version, dubbed Su-17 by the VVS – Soviet Air Forces. ;S-32M :The Su-17 with the Lyul'ka AL-21F engine and re-structured fuselage plus several smaller modifications, resulting in a greater fuel capacity and more weapons stations. ;S-32MK :The Su-20 export version with revised armament options, and less sophisticated avionics. First flight: 15 December 1972. ;S-32MK Hybrid :Single aircraft (f/n 9500) built with fuselage of S-32MK and fixed wings of Su-7BMK. Offered to customers as cheaper/less complex alternative to Su-20, but no production. ;S-32M2 :The Su-17M with improved flying controls and weapon-aiming equipment. Production carried out from 1975 to 1977 ;S-32M2K :The Su-22 export version of the Su-17M2 with a Tumansky R-29BS-300 engine. ;S-32M2D :An Su-17 tested with ski landing gear, similar to that used on the S-26 (Su-7), used for [very] rough field landing and takeoff tests. ;Su-52U :The Su-17UM/Su-22U two-seat combat-trainer version with a completely re-designed nose housing the tandem cockpits for student and instructor. ;S-52 :In a reverse development the trainer modifications were adapted for a new Attack variant, the Su-17M3. ;S-52K :An export variant of the S-52, given the designation Su-22M. ;S-52M3K :Series production Su-22M3 aircraft with laser range-finder and avionics mods. ;S-52UK :The trainer variant with all the S-32M2K structural modifications and a reduced weapons portfolio. ;S-52UM3 :The Su-17UM3 for the VVS with avionics and aero-dynamic changes. ;S-52UM3K :The export version of the Su-17UM3. ;S-52R :Tactical Reconnaissance Su-17M3R with a KKR (Kombinirovanny Konteiner Razvedy – combined reconnaissance pod) on the centre-line pylon ; S-54 :Production Su-17M4 fighter-bombers. ;S-54K :Export Su-17M4s, designated Su-22M4. ;S-54R :Tactical reconnaissance Su-17M4R with a KKR (Kombinirovanny Konteiner Razvedy – combined reconnaissance pod) on the centre-line pylon. ==Operators==

: : The National Air Force of Angola operates 14 Su-22 variants. : : The Aerospace Force of the Islamic Revolutionary Guard Corps (IRGC-AF) operates the Iranian Su-22 fleet. The aircraft have military identification numbers that are prefixed '15-' Iran received 40 Su-20/22s from Iraq in 1991. While non-operational for several years, in 2013 Iran started an overhaul program. In March 2015, it seems that some of the IRGC-AF Su-22s were transferred to the Syrian Arab Air Force to fight in the Syrian Civil War. Iran currently possesses 30 operational Su-22s. In July 2018 they successfully overhauled and modernized 10 Su-22s, giving them the ability to carry smart bombs, fire precision-guided munitions, transfer data from UAVs, and technology necessary to utilize air-launched cruise missiles with a range of 1500 km. : : Three regiments of Su-22UM3K and Su-22M4 aircraft served with the Vietnam People's Air Force. As of 2025, 32 Su-22s remained in service. : : The Yemeni Air Force inherited Su-22s from both North and South Yemen, following the 1994 civil war. In 1996, the remaining Su-22s and Su-22Ms were retired. At least four Su-17M4s were bought second-hand from Ukraine around 1994. As of 2025, 23 aircraft were operational. Former operators at the entrance of Hamid Karzai International Airport : : The Soviet Union sent more than 70 aircraft to the Democratic Republic of Afghanistan for service with the Afghan Air Force. These included 45 Su-22M4s delivered from 1984. : : : : : Bulgarian Air Force. The Bulgarian Air Force operated 18 Su-22M4 and five Su-22UM aircraft. : : Czechoslovak Air Force. The Czechoslovak Air Force's Su-22 inventory (49 Su-22M4s and 8 Su-22UM3Ks in 1992) was split between the Czech Republic and Slovakia in 1993. : : Czech Air Force. The Czech Air Force inherited 31 Su-22M4s and five Su-22UM3Ks. All were retired in 2002. : : The Air Forces of the National People's Army. East Germany operated 48 Su-22M4s and 8 Su-22UM-3Ks until unification, when they were transferred to the Luftwaffe. : • Volksmarine. The East German navy operated eight Su-22M-4Ks and two Su-22UM-3K aircraft. : : The Egyptian Air Force operated 48 Su-20/22 aircraft, although all have been withdrawn, replaced by the F-4 Phantom II and General Dynamics F-16 Fighting Falcon. : : Su-22 aircraft were inherited from East Germany, although these did not serve in the Luftwaffe, but some were painted with a Luftwaffe color scheme for test and evaluation. Two Su-20s were also purchased from Egypt for evaluation and painted with Luftwaffe markings. : • German Navy. Ex-Volksmarine aircraft. : : The Hungarian People's Army Air Force maintained 12 Su-22M3 and three Su-22UM3 aircraft from 1983. Two single seat and one training aircraft crashed. : : Aircraft were inherited from the Hungarian People's Republic. They were withdrawn from service in 1997. : : The Iraqi Air Force received various Su-22 models, of which 40 were impounded by Iran after escaping the Gulf War air campaign in 1991. : • No. 44 Squadron IqAF – flying Su-20/22s in September 1980. 14 additional Su-22s were ordered in the 1980s. A few Su-22M3s were delivered weeks before the beginning of the 1994 civil war. : : The Peruvian Air Force acquired 32 Sukhoi Su-22A, 4 Su-22U, 16 Su-22M and 3 Su-22UM aircraft between 1977 and 1980. Retired in 2006, 11 remain in reserve status. : : The Polish Air Force operates 12 Su-22M4 and 6 Su-22UM3K aircraft of 120 delivered, as of 2025. Other airframes sit in warehouses. Poland operated 27 Su-20s from 1974 until the 1990s. Poland retired all of its remaining Su-22s in September 2025. : : The Russian Air Force inherited Soviet Su-17 aircraft, but withdrew the type from service. At least one example remains flying as a chase plane operated by Sukhoi at its KnAAPO facility. : • Russian Naval Aviation : : The Slovak Air and Air Defense Forces inherited 18 Su-22M4 and three Su-22UM3K aircraft from Czechoslovakia in 1993. In 1999, six Su-22M4 and in 2001, four Su-22M4 and one Su-22UM3K aircraft were sold to Angola while the rest of the fleet was grounded and is used in museum exhibits and as teaching aids in flight schools. : : The People's Democratic Republic of Yemen Air Force received its first 12 Su-22s around 1976. In addition, 40 Su-22Ms, Su-22M3s and Su-22UM3Ks were received between 1982 and 1986. Lastly, 12 to 14 Su-22M4Ks were delivered, probably around 1989. : : 28 Su-22 aircraft served with the Syrian Arab Air Force prior to the Syrian Civil War. In late 2024, 39 Su-22s remained in service. The Syrian government of Al-Assad fell to rebels in late 2024, and the Syrian Arab Air Force was dismantled. It was re-established as the Syrian Air Force, but the war, and the Israeli air strikes that followed it, wreaked havoc on the inventory of the air force. In late 2025, the World Air Forces publication by FlightGlobal, which tracks the aircraft inventories of the world's air forces and publishes its counts annually, removed all of the Syrian Air Force's aircraft from its World Air Forces 2026 report. It is thus questionable if the Syrian Air Force has any flying aircraft in its inventory, and in particular, any Su-22s, as of December 2025. : : Su-17 aircraft were inherited by the Military of Turkmenistan after the breakup of the Soviet Union, but they were never put into service. in 2001 : : Approximately 50 Su-17M3, M4R and UM3 aircraft were inherited by the Ukrainian Air Force from the Soviet Union. All were retired from active service by 2004. Some were scrapped and others put in storage. In 2005–2007, 24 S-17M4R/UM3s underwent overhaul and were sold to Yemen and Vietnam. The remaining 13 aircraft in storage are located at Shkilnyi Airfield, Odesa and the Zaporizhian aircraft repair plant. As of 2016, a single Su-17UM3 was operated by the plant to train pilots and to test equipment. : : : • Soviet Air Force : • Soviet Naval Aviation :(The Soviet Union's Su-17s were passed onto its successor states.) : : Su-17 aircraft were inherited by the Military of Uzbekistan. All are retired and stored at Chirchiq. ==Specifications (Su-17M4)==

Su-20 armed with four 250 kg bombs, two rocket pods, and fitted with two external fuel tanks. ==See also==