Soldiers now spend weeks or months in cramped shelters inside so‑called “kill zones” — stretches up to 20 kilometers long where enemy drones dominate. Vehicle movement and casualty evacuations are often impossible; ammunition and food lines are frequently cut. That bleak reality has become routine along the front after four years of Russia’s full‑scale invasion, and front‑line personnel describe how the fighting has changed.
2022: Chaos, ground war and Western weapons
At the start of the invasion, mass volunteer enlistment and long queues at recruitment offices were the norm — a scene many find hard to imagine now. Young recruits like Oleksandr Kashaba recall being unable to join until months after the invasion began. Units were joining the fight amid confusion: many formations, but poor communications.
As the immediate crisis eased, the front stabilized and a conventional ground war emerged: infantry, tanks, artillery and air power as central elements. Foreign rocket systems, especially the US‑supplied HIMARS, proved decisive. Organizations like Come Back Alive, which supplied gear and training, note that HIMARS were a “game changer,” contributing materially to counteroffensive gains such as in Kharkiv.
2023: Drones and the counteroffensive
By 2023, quadcopters like the Chinese Mavic were repurposed from reconnaissance to attack roles, dropping explosives. From summer 2023 both sides deployed kamikaze and FPV attack drones extensively. Soldiers who served before drones came to dominate the battlefield describe how many tasks that were routine — moving across open ground, evacuating the wounded in armored vehicles a few kilometers from the front — became impossible.
During the counteroffensive, units operated much closer to enemy lines and relied on armored transport to ferry supplies and casualties. Then, as drone activity grew, evacuation times lengthened from hours to days. Paramedics on evacuation teams say wounded who once reached treatment points within hours now can wait days for removal.
2024: Transformation of the front line
Early 2024 saw rapid Russian advances in parts of Donetsk, exposing troop shortages. Ukraine continued drone innovation: hexacopters for longer‑range engagement, mine deployment and logistics, and expanded electronic warfare capabilities. Kamikaze drones, in particular, fundamentally altered tactics. When Western artillery shell deliveries slowed, forces increasingly turned to FPV drones for precision effects even against opponents with artillery superiority.
Positions had to be buried, camouflaged and moved farther from the line. Tanks that used to be positioned a few kilometers back moved 10–15 km from the front to reduce vulnerability. Infantry were pushed into below‑ground positions, limiting their forward observation and enabling small‑group enemy infiltrations.
2025: Kursk operation, fiber‑optic drones and ground robots
Summer 2024 marked the beginning of a Ukrainian push into Russian territory in what became known as the Kursk offensive. Ukrainian units advanced quickly but could not hold gains; by spring 2025 the operation had ended. A factor in the Russian counteroffensive’s success was the introduction of fiber‑optic drones, which are hard to jam and were used to attack vehicles moving toward Kursk. Medics driving at night reported fear of these drones, which were difficult to counter.
Casualty patterns shifted: while there were mass casualty days in 2024 (for example around Avdiivka), numbers later fell in some sectors. The widening kill zone — now 20–25 km in places — and more precise munitions made evacuation of the severely wounded more difficult. To adapt, Ukrainian military medicine began advising injured soldiers remotely by video and sending medicines by drone, enabling survival when removal was impossible for extended periods.
Ground robots entered service for casualty evacuation, supply delivery and even as armed platforms. Attempts to blind each other’s reconnaissance — shooting down drones — increased, prompting development of interceptor drones and an institutionalized infrastructure beyond initial volunteer efforts. Ukraine responded to the Russian mass production of reconnaissance drones with its own counter‑drone systems.
2026: Starlink, strategic defense and an uncertain outlook
At the start of 2026 a key development was efforts to cut Russian access to Starlink terminals, which had been used to coordinate units and control drones. Starlink had given Ukrainian forces an early edge in communications; limiting Russian use of the system could blunt enemy coordination. Observers hope further technological gains will continue, but many see the conflict now as strategically defensive for Ukraine, with the enemy often holding the initiative.
Views differ on whether technology can change the war’s course. Some, like Come Back Alive’s Vladyslav Urubkov, point to ongoing tech developments and the need to protect forces made ever more vulnerable by remote, precise weapons. Others, including front‑line commanders such as Kashaba, believe most major technological shifts have already occurred. For them, the decisive factor may be human: which side can sustain soldiers willing and able to fight under total drone dominance.
This article was originally published in Ukrainian.
