Ukraine sent a spiked tank and a Bradley into Russian drone fire. The spikes held, and Ukraine’s own drones got them home

For the second time in two weeks, Ukraine's 475th Assault Regiment has demonstrated how armored vehicles can fight and survive on a battlefield buzzing with enemy drones.

The regiment encased a tank and an American-made M-2 Bradley infantry fighting vehicle in metal frames and welded hundreds of metal spines onto those frames, transforming them into "hedgehog" vehicles. The cage makes the tank impossible to identify from the footage, and the regiment hasn't said what model it is. The frames support the spines, which trigger incoming drones' warheads a safe distance from the vehicles' hulls.

But that's not all. To shepherd the two-vehicle formation across the disputed gray zone for a close engagement with a Russian position, presumably somewhere in northeastern Ukraine's Kharkiv Oblast, the 475th Assault Regiment deployed drones: both single-use first-person-view models and grenade-dropping, reusable Vampire models.

The vehicles and their crews didn't fight alone. They fought in mixed ground-air "combined arms" formations. The tank and fighting vehicle provided the firepower. The escorting drones provided the aerial protection. Vampire drones drop grenades to suppress Russian positions and clear mines and loitering Russian drones. FPV drones dive down to intercept the Russians' own FPV drones as they zoom in to strike the vehicles.

The 475th Assault Regiment cut together a video montage of the most recent assault. The video depicts the tank and the Bradley rolling along a well-traveled route as at least one friendly FPV and at least one friendly Vampire drone flew overhead and an additional drone watched from a short distance away.

The vehicles repeatedly came under attack from Russian FPVs and heavier loitering munitions. An escorting Ukrainian FPV moved to intercept, with unclear results. A couple of Russian drones managed to score hits on the vehicles, but their hedgehog armor held—and both vehicles appear to have survived the there-and-back daytime trip into battle.

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A way forward for vehicles

It's at least the second time the 475th Assault Regiment has deployed vehicle-drone teams. The Ukrainian 3rd Army Corps used a related approach in its months-long counteroffensive in northern Donetsk Oblast, which began this spring: it sent in ground robots first, suppressing Russian strongpoints, fraying Russian supply lines, and clearing routes for manned vehicles to follow.

The unmanned aerial escorts lend the 475th Assault Regiment's hedgehog vehicles situational awareness they might not have on their own. It's well known that hedgehog armor can obscure a vehicle crew's view of the surrounding terrain. But friendly drones flying directly overhead can act as eyes in the sky for the crews on the ground.

The drones also help the vehicle crews compensate for a lack of mobility. The metal cages that support the metal spines that make up hedgehog armor tend to prevent a vehicle's turret from fully rotating. In order to aim its gun, a hedgehog vehicle has to meticulously point its whole self—turret and hull—at the enemy.

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That takes trial and error, and time. The longer it takes, the more vulnerable a vehicle is to enemy drones. Friendly drones, running interference for the vehicles, can reduce that exposure long enough for the vehicle to fire a few shots.

The 475th Assault Regiment and 3rd Army Corps, among other units in Russia's wider war on Ukraine, are pointing the way forward for traditional armored vehicles in this new drone age. Yes, vehicles are more vulnerable to aerial attack than they were just a few years ago.

But no, armored vehicles aren't obsolete or useless. They just need a little help—or a lot of it—from the same kinds of drones that also make their existence so perilous.