Captured Russian soldiers have a rule for one stretch of the Kupiansk front: go anywhere, but not there.

That stretch is the “safety corridor” the “Orion” unit of Ukraine’s Offensive Guard brigade “Pomsta” says it has built for its ground robots. The zone is so lethal that, by the unit’s count, 88% of attacking Russians are killed before they reach their positions, and Russian armor cannot get within 25 kilometers, the military outlet ArmyInform reports.

Behind that shield, the unit says its ground robots have run dozens of fully autonomous missions through the most dangerous ground on the axis, with a success rate of 99.57%. The results made Orion the top-ranked unit for effectiveness on the South-Kupiansk axis in September within Ukraine’s battlefield management system, DELTA.

“You can go anywhere, just not into the Orion zone”

The claim that the Russians now avoid the sector, the unit says, comes from them themselves.

“Prisoners admit in interviews: 'You can go anywhere, just not into the Orion zone.' Eighty-eight percent of the enemy is destroyed before reaching their positions, and Russian equipment cannot approach closer than 25 kilometers,” the unit says.

That is what opens the corridor. Where a human supply run would be a death sentence, a robot can cross, and cross again.

The quiet blood of the front

The point, the unit says, is to take the soldier out of the deadliest job on the front: carrying ammunition and the wounded across open fire.

“We broke the stereotype that supplying the army takes truck convoys and hundreds of soldiers under targeted fire. Our robotic systems are the ‘quiet blood’ of the front,” Vladyslav Zolotarov, an officer in the unit’s staff control group, says.

When Russia thinks our positions are depleted, a tracked platform quietly comes in at night and brings in a ton of ammunition.

In September alone, the unit says, its wheeled and tracked robots ran 85 of the hardest combat missions and hauled more than 30,000 kilograms of cargo. Its evacuation record is the line it is proudest of: four missions pulling wounded soldiers out by robot, all four successful, not one man lost.

Ukraine has bet heavily on this kind of machine, aiming to field 50,000 ground robots to keep its troops out of the drone-ruled kill zone.

Ukrainian company Nodrics has developed MAT1LDA, an eight-wheeled amphibious ground robot that can carry supplies across water, swamps, and rough terrain, robot-maker Tencore said, Ukrainian military outlet Militarnyi reported on 17 October. The machine joins Tencore’s new family of ground robots, which the company has also shown in the US.

Ukraine’s ground robots now haul supplies and evacuate wounded soldiers through zones where drones make every move deadly, and the Defense Ministry has launched its first competitive tender for them.

500 kg on land, 400 kg afloat

A petrol engine drives MAT1LDA’s eight wheels, and side pontoons keep it afloat, so it can cross water, marshland, and rough ground without preparation, Militarnyi said. Its makers claim it carries up to 500 kg on land and 400 kg on water, with a range of up to 160 km on land and 50 km on water.

Its open frame lets crews swap equipment quickly to suit the task, fitting cargo containers or evacuation stretchers.

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Four robots, one system

MAT1LDA is part of the Tencore Ecosystem, which brings together four classes of ground robots for military and civilian work, Militarnyi reported earlier. Besides the amphibious eight-wheeler, it includes the tracked TerMIT, the wheeled TOR 4×4, and the TRAX Utility firefighting and rescue robot. The company says it has delivered more than 4,000 robots to Ukraine’s armed forces since the full-scale invasion, used across more than 50 brigades.

Tencore calls it Ukraine’s first integrated ecosystem of its kind. Putting the platforms into one system is meant to make them easier to use, maintain, and fit with extra equipment. One of the first shared add-ons is AI KIT, a hardware and software module that lets a robot keep to its route or drive back on its own after losing contact with its operator.

On show in Washington

Tencore displayed MAT1LDA carrying a TerMIT robot at the Association of the US Army’s annual trade show in Washington this month, Breaking Defense reported.

Other Ukrainian makers have built swimming ground robots too: one switches from land to water in seconds, and another can tow 10 tons, its maker says. In April, Tencore formed a joint venture with France’s Shark Robotics.