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| Su-25 Frogfoot | |
|---|---|
| Name | Su-25 Frogfoot |
| Type | Close air support aircraft |
| Manufacturer | Sukhoi |
| First flight | 1975 |
| Introduced | 1981 |
| Status | Active |
Su-25 Frogfoot. The Su-25 Frogfoot is a single-seat, twin-engine armored close air support aircraft developed by Sukhoi for the Soviet Air Forces and subsequently operated by the Russian Air Force, Soviet Air Forces, Ukrainian Air Force, Georgian Air Force, and other post-Soviet and export operators. Conceived to provide direct support to Soviet Ground Forces, deployed in high-threat environments such as the Soviet–Afghan War, the type has participated in conflicts including the First Chechen War, the Russo-Ukrainian War, and the Syrian Civil War. The aircraft is noted for its heavy armor, simple systems, and extensive armament tailored for countering armored and fortified targets.
The design emerged from requirements issued by the Minister of Defense of the Soviet Union and testing conducted by OKB Sukhoi under the direction of chief designer Pavel Sukhoi, with prototypes flown to meet specifications similar to those of Western counterparts like the Fairchild Republic A-10 Thunderbolt II. Development involved collaboration with design bureaus such as Tupolev and Mikoyan-Gurevich for systems integration, while trials took place at test centers including the Gromov Flight Research Institute and airbases supporting the Soviet Air Defence Forces. Emphasis was placed on armored protection for the pilot, redundant hydraulic and electrical systems influenced by lessons from Vietnam War and Yom Kippur War close air support operations, and a weapons suite compatible with stores produced by factories such as GRAU and Tupolev Machine-Building Plants.
Operational service began with the Soviet Air Forces in the early 1980s, with rapid deployment to the Soviet–Afghan War where pilots trained at establishments like the Kazan Higher Aviation School and tactics evolved under combat conditions alongside units of the KGB Border Troops and Transcaucasian Military District. The type saw extensive use during the First Chechen War and later in the Second Chechen War; export and conflict service includes deployments by the Angolan Air Force, Ethiopian Air Force, Azerbaijan Air Force, and the Eritrean Air Force during regional confrontations tied to events such as the Nagorno-Karabakh conflict. In the 21st century the platform reappeared in operations by the Russian Aerospace Forces in Syria and in the contested airspace of the Donbas campaign and the wider Russo-Ukrainian War.
Production and upgrade lines involved versions developed by Sukhoi and partner enterprises including OSA, Rostec, and Ukrspetsexport-linked firms; notable factory and field conversions include models updated with avionics from NPO Avtomatiki, targeting pods compatible with systems by Peleng and Sagem, and engine upgrades using derivatives maintained by plants like Ufa Engine-Building Production Association. Export variants were tailored for operators including the Cuban Revolutionary Air and Air Defense Force, Peruvian Air Force, and the Algerian Air Force, while modernization programs produced advanced avionics suites inspired by technologies fielded by Saab and Thales.
Current and former operators include national air arms and defense ministries such as the Russian Air Force, Ukrainian Air Force, Belarus Air Force, Azerbaijan Air Force, Armenian Air Force, and various African and Asian services like the Angolan Air Force, Ethiopian Air Force, Iraqi Air Force, and the North Korean Air Force. Airframes have been supplied through state agreements negotiated with ministries like the Ministry of Defence of the Russian Federation and export agencies including Rosoboronexport and counterpart institutions in recipient states.
Typical specifications for the baseline model include twin turbofan engines produced by plants such as Lyulka and Soloviev, a welded titanium and steel armored bathtub surrounding the cockpit inspired by lessons from Battle of Kursk survivability assessments, and a multi-station hardpoint arrangement supporting munitions from manufacturers like Tula Arsenal and KBP Instrument Design Bureau. Avionics suites were periodically upgraded with systems from Radioelectronic Technologies (KRET), inertial navigation components linked to GLONASS constellation receivers, and communications gear interoperable with units such as the Ground Forces General Staff for close coordination. Defensive aids packages often encompassed countermeasures from firms like KTG and decoy dispensers compatible with doctrine from the Frontal Aviation Command.
Tactics developed by units of the Soviet Air Forces, Russian Aerospace Forces, and export customers emphasized low-altitude ingress, pop-up attack profiles coordinated with infantry formations of the Ground Forces, and employment of unguided rockets and precision-guided munitions supplied by developers such as Tula KBP and NPO Splav. Crews trained at academies like the Gagarin Air Force Academy and used procedures refined from engagements in the Soviet–Afghan War and counterinsurgency operations referenced in the doctrine of the Frunze Military Academy. Cooperative employment with rotary-wing assets such as the Mil Mi-24 and joint strikes with fighter escorts from fleets like the Sea of Azov-based units became doctrinal in several theaters, including the Syrian Arab Republic campaign.
Survivability features include armored cockpits developed by specialists from Metallurgical Plants of Magnitogorsk and redundant control systems reflecting design philosophies promoted by figures like Mikhail Gromov; crew egress and fire-suppression systems were influenced by research at institutions such as the Central Aerohydrodynamic Institute. Combat damage reports from incidents in the First Chechen War, Soviet–Afghan War, and the Georgia–Russia conflict informed field repairs executed by maintenance units deployed from bases like Beslan Air Base and logistics support from organizations such as Russian Logistic Support Directorate.