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Four years of war in Ukraine - the battlefield balance, losses & counterattacks

Perun cuts through the noise of daily front-line updates to reveal a stark, counterintuitive reality: the war in Ukraine has evolved from a clash of armies into a grinding test of industrial endurance that is outpacing even the most protracted conflicts in modern history. The author's most striking claim is not about a specific battle, but about the sheer scale of attrition, noting that the conflict has now lasted longer than the Soviet Great Patriotic War and is on track to exceed the duration of World War I. For the busy observer, this piece matters because it shifts the focus from "who is winning today" to "who can outlast whom tomorrow," offering a data-driven assessment of a war that has settled into a brutal, slow-motion stalemate.

The Geometry of Attrition

Perun begins by dismantling the illusion of static warfare, arguing that while the front lines appear frozen on a map, the dynamics underneath are shifting with terrifying slowness. The author writes, "Just the last seven days provide a bit of a case in point with two new conflicts ramping up in the Middle East and Afghanistan while another, the war in Ukraine, crossed a new grim milestone, 4 years." This framing is essential; it forces the reader to confront the war not as a temporary anomaly but as a defining, long-term feature of the current geopolitical landscape.

Four years of war in Ukraine - the battlefield balance, losses & counterattacks

The core of the argument rests on the rate of Russian territorial gains in 2025. Perun notes that while Russia held the initiative, their advance was "absolutely glacial by historical standards." To illustrate this, the author cites a specific comparison: "The CSIS actually assessed the rate of average Russian advance around Pokrovsk as slower than the British and French forces on the Somme in World War I." This historical anchor is powerful. It reminds us that the "Great Patriotic War" was a war of rapid, massive maneuvering, whereas this conflict is a war of inches, where the cost of every meter of ground is measured in years and lives.

In the longrunning hypothetical race between the Russian army and a snail on its way to Kiev, the snail isn't just winning. It's had enough time to claim asylum and apply for Ukrainian citizenship.

This vivid metaphor underscores the futility of current Russian strategic objectives. Perun argues that unless the "God of War starts a Make a Wish Foundation," ambitious goals like retaking Kherson or reaching Odesa are "probably out of the question for now." The analysis suggests that the executive branch in Moscow has overextended its strategic reach, betting on a war of movement that the terrain and Ukrainian defenses have effectively neutralized. Critics might note that this assessment underestimates the potential for sudden collapses in morale or logistics, but the data on the "lumpy" nature of gains supports the view that momentum is fragile.

The Industrial Pivot

The most compelling section of the commentary addresses the transformation of the Ukrainian military from a consumer of foreign aid into a producer of its own modern warfare technology. Perun writes, "The interesting twist on that that wasn't really on the radar back in 2022 was that despite Russia's ongoing strategic bombing campaign, Ukraine would actually do a fairly good job of taking those new NATO calibers or NATO design features and then coming up with its own NATO style systems essentially and cranking those out."

This is a critical pivot in the narrative. The author details how Ukraine moved beyond relying on Warsaw Pact stockpiles to mass-producing 155mm artillery systems. "Ukraine's 2S22 is a classic case in there... As of 2026, there's probably no other 155mm NATO SPG out there being produced at a faster rate." The author highlights a remarkable irony: Ukraine managed to "start mass-producing a 52 caliber howitzer before the United States did," despite being under constant bombardment. This evidence suggests that the war is no longer just a test of will, but a test of industrial capacity, where Ukraine has successfully integrated Western standards into its domestic supply chain.

The data on equipment losses reinforces this shift. Perun observes that while Soviet-era systems dominated early losses, the balance has shifted: "In 2023, NATO systems made up about half the losses at the start of the year. Whereas more recently, the numbers have been roughly 50/50." This indicates that Ukrainian domestic production is filling the gap left by slowing Western deliveries. The author's point is that the Ukrainian force is becoming more self-sufficient, a crucial factor for long-term survival.

Better coordination, better organization, reduce corruption. These are all elements that can potentially boost the effectiveness of a force without you necessarily having more resources to pump into it.

This observation on organizational reform is often overlooked in favor of hardware discussions. Perun correctly identifies that the reshuffling of the cabinet and the appointment of new leadership in the intelligence and defense sectors are as vital as the tanks rolling off the line. The argument here is that efficiency gains can offset resource deficits, a lesson that applies to any nation facing a protracted conflict.

The Strategic Horizon

Looking ahead to 2026, Perun warns against extrapolating current trends too far. The author cautions, "I'd be very cautious about extrapolating that rate forward and use it to generate a timeline for Russia potentially pushing Ukraine out of Donetsk." The distinction between taking open fields and assaulting "heavily defended strong points" is the key variable. The fall of Pokrovsk, which took roughly 18 months, serves as a grim reminder of the time required to break modern defenses.

The author concludes that the war has entered a phase where "incremental Russian gains aren't necessarily guaranteed," especially as Ukrainian counterattacks begin to reclaim "parts of the gray zone." This suggests a dynamic where the front line is not a one-way street, but a contested space where both sides pay a heavy price for every inch. The analysis implies that the administration in Moscow may be facing a strategic ceiling, where the cost of continued offensive operations begins to outweigh the marginal territorial gains.

Depending on how you define the start and end of the battle, overcoming Pokrovsk took Russia very roughly 18 months. And in terms of both size and the scale of the defensive preparations, there's all the difference in the world between Pokrovsk and the larger urban agglomerations of Sloviansk and Kramatorsk that help anchor Ukrainian defenses in Donetsk.

This comparison highlights the difficulty of the remaining objectives. The urban centers of Sloviansk and Kramatorsk represent a significantly higher barrier to entry than the open terrain around Pokrovsk. Perun's analysis suggests that the Russian military is now facing the hardest part of its campaign, where the "glacial" pace of advance may slow to a complete halt.

Bottom Line

Perun's strongest contribution is the reframing of the war from a tactical chess game to a war of industrial and organizational endurance, proving that Ukraine's ability to mass-produce NATO-standard artillery is a game-changer. The piece's biggest vulnerability is the inherent uncertainty of predicting morale and political will in a conflict that has already defied all initial timelines. The reader should watch for the next shift in the balance between domestic Ukrainian production and the flow of Western aid, as that ratio will likely determine the war's trajectory in 2026.

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Sources

Four years of war in Ukraine - the battlefield balance, losses & counterattacks

by Perun · Perun · Watch video

It's a historical reality of war that they're often faster and easier to start than they are to finish. Just the last seven days provide a bit of a case in point with two new conflicts ramping up in the Middle East and Afghanistan while another, the war in Ukraine, crossed a new grim milestone, 4 years. As we head into March 2026, what was originally bu on Russian state TV as a short, sharp special military operation, has now entered its fifth year, longer, as we previously said, than the Soviet Great Patriotic War. and should the fighting continue past the middle of this year, also on track to outstrip the First World War in its total duration.

At a strategic level, the grinding nature of the war has often made it prudent to focus on issues like economics, social endurance, attrition, and geopolitical support. And we went over a number of those factors back in January. But today, I want to turn the focus back on the battlefield and the two forces that continue to contest it. Because while it might be tempting to look at very slowmoving lines on maps and conclude that the war in Ukraine is mostly a static affair, I'd suggest that the nature of the war and forces fighting it have changed dramatically since 2022 and even over the last year.

And so today, I want to take a big picture view of some of the fighting in 2025, asking not just how the lines have moved or how tactics and technology have changed and what observing countries probably should learn from the conflict yesterday, but also as the war crosses another milestone, try to look both backwards and forwards. That'll mean starting with a look at the battle lines and the way they moved over the course of 2025 before turning to an arguably even more important factor. How the Ukrainian and Russian military broadly changed over the course of 2025. What the nature of the fighting in Ukraine currently looks like and what warnings or lessons that might have for other countries.

Then we'll try to zoom out to look at the military situation from a more strategic level. how close are both sides to achieving their stated military objectives and what that means for what actions we should expect these forces to take in the campaign season of 2026. Before ...