The front-line drone 'kill zone' is widening, up to 50 km in some areas. Officials say 'it's a dead zone.'

The "kill zone" along Ukraine's front has grown substantially with the drone threat in some areas, a defense official said.

Davyd Aloian, the deputy secretary of the National Security and Defense Council of Ukraine, said that "we have a kill zone in some of the areas, which is 50 kilometers."

He called it "a kill zone of drones, it's a dead zone."

Speaking at a drone summit in Latvia, Aloian said the "kill zone" is not that deep everywhere; it is often described as roughly 20 kilometers deep and growing. But where drone coverage is dense, he said, "any vehicles there, they will be demolished and destroyed in several minutes."

The kill zone is the area near the front where surveillance and attack drones are so prolific that soldiers, vehicles, and equipment are at much higher risk of being spotted and struck.

Volodymyr Zelenskyy called it a "death zone" where any tank, armored vehicle, or motorcycle that enters it "burns." He said that "everything is destroyed by drones."

The concept of a kill zone has long existed in warfare. These are areas where an army may find itself trapped or exposed, making it vulnerable to attack.

In Ukraine, the zone is different from past wars because drones have made it much larger, more persistent, and harder to avoid. It also spans a large area along a deep front that is under constant surveillance. It's not a space that forces can simply go around. It's at the very center of the fight.

Oleksandr Mischenko, Ukraine's deputy minister of foreign affairs, offered a slightly more conservative estimate. He said in Latvia that "drones have created a kill zone" that extends 20 to 40 kilometers. "Drones have fundamentally changed warfare," he said.

A drone battalion commander said in February that his unit had created a kill zone several dozen kilometers deep where almost any Russian movement was impossible.

The new descriptions show how much the zone has expanded. Zelenskyy said in August 2025 that the zone spanned 10 to 20 kilometers from the front lines.

Dmytro "Liber" Zhluktenko, a former drone pilot who is now a lessons-learned analyst with Ukraine's 413th Unmanned Systems Regiment "RAID," spoke to Business Insider about the kill zone on Wednesday, saying that "obviously it's getting wider."

Ukrainian soldiers told Business Insider in November that the front-line kill zone was expanding and that both militaries had moved high-value targets like artillery, logistics centers, and command-and-control nodes further back.

Analysts have also said the kill zone is expanding. Conflict analysts at the Institute for the Study of War, a US think tank, wrote last month that it was an "expanding area" and described it as an area where "the saturation of tactical strike and reconnaissance drones poses an elevated risk to any personnel or equipment operating within."

The zone isn't an empty no man's land. Both militaries have positions within it, and small groups on both sides have also infiltrated the zone. It's just a particularly difficult place to hide in and rotate out of.

Zhluktenko said that he "wouldn't go as far as saying" that if you enter the kill zone, "you will get killed, 100%."

"Obviously, there are risks, and they are getting higher," he said. How close drone operators can go depends on the area and the mission they're conducting.

"There are people holding the line in there for a very long period of time. Sometimes they're even able to rotate," he said. "Let's just say that the risks get higher the closer you get to the direct front line." But ultimately, "it's still very dangerous. The possibility to lose human life is high."

The zone has come about as both sides saturate front-line areas with drones to stop the other from progressing. Zelenskyy described it as a tactic both sides are pursuing, saying of Russia that "they're doing the same thing we are."

Ukraine's defense ministry has called it a deliberate tactic, announcing last year that it was launching a large-scale project called "Drone Line" to create a "kill zone" where Russia could not advance without heavy losses. The project involved some of Ukraine's best drone units.

ISW analysts said that the kill zone has stopped both Russia and Ukraine from making major breakthroughs, with neither side able to mass infantry or heavy equipment within 30 kilometers of the front line to achieve an operational breakthrough.

Mischenko also said that the kill zone was "making large-scale offensives more difficult."

Large buildups of troops or armor are quickly spotted and attacked by surveillance and strike drones, making it difficult for either side to mass forces for a major assault.

Ukraine is making some progress here, though. It has managed to bring some mechanized equipment within the kill zone, ISW analysts said, calling it "a significant feat given that deploying mechanized equipment this close to the Russian drone kill zone was categorically impossible in 2025."

The overwhelming proliferation of drones has fundamentally reshaped the war in Ukraine, with Zelenskyy saying in March that his country's drones cause 90% of Russian losses at the front. The West is paying attention, wanting to learn as much as it can from the fight and investing in its own drone and counter-drone arsenals.