Ukrainian Drone Units (volunteer / commercial adaptation) · Ukraine
The R-18 is a heavy-lift octocopter developed by Ukrainian volunteer drone units — most prominently the Aerorozvidka unit — and has become the go-to platform for dropping anti-tank munitions, thermite grenades, and modified RPG warheads on Russian armored vehicles, command positions, and trench lines. Unlike fixed-wing FPV kamikazes that sacrifice the platform on impact, the R-18 is a recoverable multi-mission system that can carry up to 5 kg of payload and execute precise drops from 150–300 meters with optical targeting. Operators train in teams: one drone provides overhead reconnaissance while the R-18 executes the strike run.
The R-18 represents the broader Ukrainian innovation ecosystem — thousands of volunteers, engineers, and military units adapting commercial technology at extraordinary speed in response to battlefield needs. Its design has evolved rapidly through combat iterations: early versions used DJI electronics, later variants shifted to custom flight controllers immune to DJI's geofencing and remote ID systems. The platform has been particularly effective for 'grenade-fishing' — dropping munitions through tank hatches or into open vehicle compartments — a role that has destroyed hundreds of Russian vehicles and changed how both sides think about armored operations within 10 km of the front.