Su 25 FrogfootEdit

The Sukhoi Su-25 Frogfoot is a purpose-built ground-attack aircraft developed by the Soviet Union to perform close air support (CAS) missions in contested battle spaces. First flown in the mid-1970s and entering service in the late 1970s, the Frogfoot earned a reputation for ruggedness, survivability, and the ability to operate from rough airstrips close to front lines. Its design emphasizes a protected cockpit, simple mechanical systems, and a heavy weapons load, making it a durable workhorse for CAS in diverse theaters. Over the decades, the Su-25 has seen widespread service with several air forces and has been upgraded multiple times to extend its relevance in modern warfare. Sukhoi Close air support Soviet Air Forces Russia Ukraine

Design and development

Origins and role

The Su-25 was developed as a dedicated close air support platform intended to provide precise firepower in support of ground troops, while withstanding ground fire and delivering a sustained presence over the battlefield. In the doctrine of its time, a heavily protected, low-altitude aircraft able to loiter and deliver a variety of munitions without requiring networks of advanced air superiority was highly valued. The airframe was designed to tolerate a fair amount of damage and to operate from austere airstrips, a feature that made the Frogfoot useful in environments where better-armed but more fragile aircraft would be at greater risk. Soviet Air Forces Russia Syria

Design features

A hallmark of the Su-25 is its robust airframe and cockpit protection, with an emphasis on reliability under adverse conditions. The aircraft is powered by a single turbojet engine and features a straightforward flight envelope that favors low-altitude attack profiles. Its armament includes a built-in gun and a broad array of under-wing hardpoints for bombs, rockets, and guided munitions, giving crews flexibility to adapt to changing tactical situations. The design prioritizes ease of maintenance and rapid sortie turnaround in forward or rear-area airfields. The Frogfoot has served with a variety of configurations, including trainer variants and upgraded models that incorporate modern avionics and precision-guided weapons. GSh-30-2 Kh-25 Kh-29 S-8 rockets

Variants and modernization

Over its service life, the Su-25 family has been expanded and modernized. Core variants include the two-seat trainer Su-25UB, which helped sustain training and readiness, and several upgraded single-seat versions such as the Su-25M and the modernized Su-25SM and Su-25SM3, which incorporate improved avionics, targeting, and weapon compatibility. These upgrades aim to preserve the aircraft’s CAS effectiveness while improving survivability against contemporary air defenses. Su-25UB Su-25SM Su-25SM3 Sukhoi

Operational history

Soviet and post-Soviet conflicts

The Su-25 entered service during the late Cold War period and subsequently participated in a number of regional and international conflicts. In the Afghan conflict, the Frogfoot played a prominent role in delivering direct CAS to support ground forces, illustrating the value of a rugged, low-altitude attacker capable of supporting infantry and armored units in difficult terrain. In the post-Soviet era, the Su-25 saw action in insurgent-heavy conflicts where air support and battlefield mobility were critical. Its sturdy design and straightforward maintenance profile made it a practical choice for air forces facing resource constraints and varied operating environments. Afghanistan Chechnya

The Middle East and North Africa

In the Middle East, the Su-25 has been used in air-ground operations with a focus on providing timely, ground-accurate firepower in support of ground operations. Its ability to carry a wide mix of conventional bombs, cluster munitions, and guided missiles allowed operators to tailor missions to the evolving needs of the theater, including urban and semi-urban environments. Syria Kh-25

Ukraine and other recent engagements

In recent years, the Su-25 has remained in operation in several air forces, including those involved in Ukraine, where it has been deployed for CAS and interdiction. The aircraft’s continued use reflects a broader debate about the balance between legacy platforms and newer, more capable systems in high-intensity conflict. Proponents argue that cost-effective, readily available platforms like the Su-25 provide essential battlefield access where modern, high-end fighters cannot operate without significant escalation. Critics note that reliance on older airframes can expose missions to higher risk from advanced air defenses and spread-out supply chains. Ukraine Russia

Modernization and ongoing debates

Why the Su-25 endures

Supporters of the Frogfoot emphasize its low operating cost, ease of maintenance, and ability to operate from dispersed airfields, which can be a force multiplier in environments where advanced Western-style air bases are scarce. The aircraft’s versatility in carrying a broad spectrum of munitions makes it a flexible platform for CAS, anti-armor, and interdiction tasks. Advocates argue that modernized variants retain relevance in a modern, multi-domain battlefield, where massed, low-altitude support remains a valuable complement to higher-end assets. Close air support Kh-25

Critics and counterarguments

Critics contend that even with upgrades, the Su-25 is outclassed by newer platforms in terms of sensor fusion, navigation, and survivability against advanced integrated air defenses. In high-threat environments with modern air-defense networks, some analysts argue that a fleet relying heavily on a 1970s-design airframe may incur higher risk and lower mission success in comparison with more modern CAS jets or unmanned systems. Proponents of modernization counter that the cost-to-benefit ratio of replacing a large stock of reliable, readily deployable aircraft is not trivial, and that targeted upgrades can extend the useful life of the type while avoiding massive capital expenditure. Syria Sukhoi

See also