The Sukhoi Su-25 Frogfoot: What Makes Russia's Ground-Attack Workhorse So Hard to Kill

The Sukhoi Su-25 Frogfoot is one of the most battle-tested aircraft flying today. First introduced to the Soviet Air Force in 1981, it has since logged combat time in Afghanistan, Chechnya, Georgia, Syria, and Ukraine, among dozens of other conflicts. That track record tells you something important: this is a machine that gets used when things get serious. But it also tells you something else. Wars expose every weakness a platform has, and the Su-25 has had more than a few exposed in public, on camera, over the past few years.

If you want to understand what the Su-25 actually is - not the headline version, but the real one — this post covers the full picture. Design and armament, combat history, survivability, the Afghanistan lessons, what's happened in Ukraine, and how it stacks up against its American counterpart, the A-10 Warthog. Let's get into it.

What the Su-25 Was Built to Do

In the late 1960s, Soviet military planners looked at their existing fighter-bomber fleet and recognized a problem. Aircraft like the Su-7, MiG-21, and MiG-23 were fast, but that speed made close air support nearly impossible. Flying at high speed over a battlefield meant the pilot could barely keep visual contact with a target, let alone put weapons precisely on it. What the ground forces needed was something different: a slow, low-flying aircraft designed specifically to support troops in contact, survive ground fire, and keep coming back.

That requirement produced the Su-25. It was conceived as a Soviet shturmovik, a term rooted in World War II-era ground attack aviation. The basic idea was to create an armored jet that could operate from rough, unprepared airstrips close to the frontline, absorb damage from small arms and light anti-aircraft fire, and deliver a serious weapons load onto targets within visual range of friendly troops. The Soviet Air Force officially introduced it in 1981 and sent it straight into Afghanistan.

Design and Key Specifications

The Su-25 is a single-seat, twin-engine subsonic jet with straight, high-mounted wings optimized for low-speed and low-altitude flight. That wing configuration is one of the key design choices that separates it from faster aircraft. You sacrifice top-end speed to gain better lift, maneuverability, and handling at the kind of altitudes where close air support actually happens.

The aircraft is powered by two Soyuz/Tumansky R-195 turbojet engines producing around 9,930 lbf of thrust each. Maximum speed at low level is roughly 950 km/h (590 mph), though it typically operates well below that in combat. Combat radius is about 375 km, and it can take off and land on runways as short as 750 meters, which matters a great deal when you're operating from forward airfields that have seen better days. The empty weight is roughly 9,800 kg. Maximum takeoff weight sits around 17,600 kg.

Weapons and What It Can Actually Carry

The Su-25 carries a GSh-30-2 twin-barrel 30mm cannon mounted in the underside of the fuselage, with 250 rounds. That gun is lighter than the A-10's GAU-8, fires at a rate of around 3,000 rounds per minute, and has no limit on burst length. In practice, those 250 rounds are used up fast. For most missions, the gun is a secondary system. The real weapons load hangs off the wings.

There are 10 underwing hardpoints that can carry up to approximately 4,000 to 4,400 kg of ordnance depending on the variant. That includes unguided rockets (S-5, S-8, S-24 pods), laser-guided missiles like the Kh-25ML, air-to-surface missiles like the Kh-29, unguided bombs including FAB-500s, cluster munitions, and R-60 air-to-air missiles for self-defense. A built-in laser rangefinder/designator in the nose allows the aircraft to guide laser-homing munitions without a pod, which is a useful piece of design for an aircraft intended to operate from basic airfields with minimal support equipment.

The Titanium Bathtub: How the Armor Works

The most distinctive survivability feature of the Su-25 is its titanium "bathtub" cockpit enclosure. The pilot sits in a welded titanium shell with walls 24mm thick on the front and sides and 10mm thick on the bottom and back. The windshield is bulletproof. This structure is rated to stop direct hits from 12.7mm rounds, which covers most of what a ground-based attacker is likely to throw at a low-flying aircraft.

The total armor weight on the Su-25 is around 755 kg, which works out to roughly 7.7% of the aircraft's total weight. For comparison, the A-10 carries around 540 kg of armor at about 4.7% of total weight. So by weight ratio, the Frogfoot is actually more heavily armored than the Warthog, though the two aircraft distribute that protection quite differently. A titanium panel sits between the two engines to prevent a hit on one from propagating to the other. The fuel tanks are foam-filled and self-sealing.

The Su-25's titanium bathtub cockpit was rated to stop 12.7mm rounds. Afghanistan proved that sometimes the missile threat matters more than the bullet threat.

Su-25 vs. A-10 Warthog: A Genuine Comparison

You can't write about the Su-25 without comparing it to the A-10. The two aircraft were developed at roughly the same time in direct response to one another, and they occupy essentially the same tactical role. But they're not the same aircraft, and the differences reflect entirely different design philosophies.

The A-10 can carry roughly twice the payload, loiter far longer, and its GAU-8 cannon fires nearly five times as many rounds. The Su-25 is faster, lighter, more maneuverable at low altitude, and better suited to operating from austere forward airfields. The Soviets wanted a quick, agile attacker that could be positioned close to the fighting. The Americans wanted a slow, heavy platform that could orbit the battlefield and respond on demand. Both approaches have proven capable in low-threat environments. Both have struggled badly against modern air defenses.

Combat History: From Afghanistan to Ukraine

The Su-25's first real combat deployment was in Afghanistan, starting in June 1981. The 200th Independent Attack Squadron flew the first operational sorties on July 25 of that year from Shindand airfield. From there, the aircraft spent the next eight years flying counterinsurgency missions over some of the most challenging terrain imaginable: narrow valleys, high-altitude plateaus, and mountain ridgelines where precision mattered and a missed run could mean flying through small-arms fire a second time.

By the time Soviet forces withdrew in February 1989, Su-25s had flown over 60,000 combat sorties. Total airframe losses in air combat came to around 23 aircraft, with additional losses on the ground and from accidents. That works out to one loss per roughly 2,600 sorties in combat, which is actually a reasonably strong result for an aircraft operating this close to the battlefield. What those numbers don't show is how much the aircraft had to change mid-war to keep that loss rate manageable.

After Afghanistan, the Su-25 fought in the First and Second Chechen Wars, the 2008 Russo-Georgian War, the Syrian Civil War (where Russia deployed it from 2015 onward), and then the full-scale invasion of Ukraine from 2022 to the present. It has been used by at least 27 countries in total, including Iraq during the Iran-Iraq War, Ethiopia in its war with Eritrea, and Peru, whose air force used Su-25s to interdict drug-trafficking aircraft. That last one is a pretty memorable use case for what was designed as a front-line ground attack platform.

The Stinger Problem and How the Soviets Fixed It

Afghanistan exposed the Su-25's most significant structural vulnerability, and it came from a direction the designers hadn't fully accounted for. When the Mujahideen were fighting with small arms and rocket-propelled grenades, the Su-25's armor held up well. But starting in 1986, the US supplied Afghan fighters with FIM-92 Stinger shoulder-fired missiles, and the loss rate climbed sharply. The problem wasn't just the missiles, it was where they were hitting.

The two engines on the Su-25 were positioned close together in the fuselage without adequate separation. When a Stinger hit one engine, the explosion and shrapnel frequently damaged or destroyed the other. The solution was relatively simple: a steel firewall roughly 5mm thick and 1.5 meters long was installed between the engines, along with a Freon-based fire suppression system and four additional chaff-flare dispensers mounted on top of the engine nacelles. After these modifications, no Su-25 equipped with the inter-engine armor was lost to a Stinger hit, even though many were struck.

That's actually a significant engineering result. The Soviets identified the failure mode in combat, designed a fix, and had it incorporated on the production line and retrofitted to existing aircraft while the war was still happening. What it also demonstrated, though, is a pattern that would repeat in every subsequent conflict: the Su-25 is vulnerable to MANPADS, and any improvement in the shoulder-fired missile threat eventually catches up to it.

The Su-25 in Ukraine: Still Fighting, Still Getting Shot Down

Ukraine is the most demanding environment the Su-25 has ever operated in. Russia deployed the aircraft from the first days of the February 2022 invasion, using it for low-level close air support missions over contested frontlines. Ukraine also flies its own fleet of Su-25s, making this one of the rare modern conflicts where both sides operate the same aircraft type.

The results have been costly. Russia had by late 2025 lost at least 40 Su-25s confirmed through open-source visual verification, with the actual figure almost certainly higher. Early in the war, Russian Su-25s flew predictable low-level attack profiles to stay below Ukrainian radar coverage, which put them directly in range of Ukraine's large MANPADS inventory. In one reported period early in the conflict, Russia lost an estimated eight aircraft in a single week from this approach. Both sides gradually adjusted. Russian Su-25s began operating at higher altitudes or staying further back from the most dense air defense coverage, which somewhat defeats the purpose of a close air support aircraft.

Ukraine has adapted its remaining Su-25 fleet in a different direction. By 2024, Ukrainian aircraft were being modified to carry Western-supplied glide bombs, including the French AASM Hammer. This allowed the aircraft to release weapons from outside the range of Russian short-range air defenses, a significant tactical change for a platform that was never designed for standoff employment. Whether that adaptation extends the fleet's viability or just delays its eventual depletion is an open question.

Ukraine's Su-25s, originally built to fight inside Soviet defensive doctrine, ended up carrying French glide bombs to stay alive. That's a long way from the original design brief.

The Major Variants You Should Know

The basic Su-25 that went to Afghanistan is the foundation, but the aircraft has been modified, upgraded, and adapted many times over. The major variants are worth understanding because they represent substantially different capability levels.

The Su-25T deserved more attention than it got. It added the Shkval electro-optical targeting system and compatibility with Vikhr anti-tank missiles, giving it a genuine precision standoff capability against armor. The project was canceled after only a handful of examples because the avionics were considered too expensive. Russia instead pursued the much more affordable Su-25SM upgrade, which extends airframe life and improves avionics but doesn't fundamentally change the aircraft's sensors or weapons flexibility. In hindsight, that cost-saving decision probably hurt the aircraft's effectiveness in Ukraine, where better targeting systems and longer-range precision weapons would have changed the risk calculus considerably.

Is the Su-25 Still Relevant?

The honest answer is: it depends on who you're fighting. Against an opponent without credible air defenses, the Su-25 is still a capable, durable, and effective close air support platform. It's cheap to operate relative to modern jets, it can work from rough airfields, and it delivers a meaningful weapons load onto targets with reliability. That's why it's still in service with dozens of air forces and why Russia has kept investing in its maintenance and upgrades.

Against a peer adversary with layered air defenses and modern MANPADS, the Su-25 faces the same problem it has faced since Afghanistan: it has to fly low to do its job, and flying low makes it a target. Ukraine has made this painfully visible. The aircraft has performed well in some respects and has been shot down in large numbers in others. That tension isn't a failure of the design, exactly. It's the fundamental contradiction of close air support: you have to get close to be useful, and close is dangerous.

If you want to follow the ongoing development and operational history of the Su-25 and similar platforms, the conflict in Ukraine is producing real-time data that analysts will be studying for years. Start with the open-source intelligence work from Oryx, which has maintained a running visual confirmation record of aircraft losses on both sides throughout the war.