russia Tests 15kg Jet Interceptor Drone DF-1 Roscherk at 500km/h While Developing 850km/h DF-3 Gadyuka Based on Italian Fighter Shape

The unveiling of the DF-1 Roscherk and the disclosure of the DF-3 Gadyuka at DronCongress 2026 is not, on its face, a headline-grabbing event. A 15-kilogram jet-powered interceptor with a 250-kilometer range and a claimed 500 km/h top speed is modest by the standards of conventional air defense. But the framing matters: this is a Russian firm, DOFA-Tek, openly advertising a family of low-cost interceptor drones explicitly designed to chase down other drones. That is a signal that Moscow has internalized the central lesson of the past three years of drone warfare — that the cost exchange ratio, not raw performance, often decides which side can sustain an air campaign.

The mechanics here are worth unpacking. The DF-1 is small, likely rocket- or jet-assisted, and optimized for a single engagement. Its 250-kilometer range suggests it is meant to be launched from rear areas or mobile ground stations and loiter or dash toward incoming threats. The 500 km/h speed is fast enough to catch Shahed-136 derivatives and most propeller-driven reconnaissance UAVs, but not fast enough to reliably intercept jet-powered cruise missiles or high-speed decoys. That is where the DF-3 comes in. At 240 kilograms and a claimed 850 km/h, with an 800-kilometer range and a shape derived from the Aeritalia G.91 — a 1950s Italian light fighter — the DF-3 is a different class of system. It appears to be a jet-powered, possibly reusable or semi-reusable interceptor intended to engage higher-value targets, including cruise missiles and large fixed-wing drones. The G.91 lineage is not incidental: it provides a proven aerodynamic layout for a small jet aircraft, and it suggests DOFA-Tek is leveraging existing design knowledge rather than starting from a clean sheet.