Ukraine's drone interceptors work until the weather turns. On 28 July, Presidential advisor Serhii "Flash" Beskrestnov wrote that fog and cloud in fall, winter, and spring can leave an interceptor pilot unable to see more than a dozen meters, and that success rates fall as soon as winter begins, a problem that is especially severe over the sea.

Cheap interceptor drones have become one of Ukraine's main answers to Shahed saturation. But nearly every system shares the flaw Beskrestnov names: it depends on a pilot or camera seeing the target. Ukrainian and foreign teams are all racing toward the same fix, an onboard seeker head.

The method started simple

The earliest approach was primitive but cheap and effective, Beskrestnov said. A pilot flies the interceptor to the right point using the radar network, then finds the target by eye, chases it, and attacks.

Russia answered not only with jet Shaheds but with onboard electronic warfare, evasion systems, in-flight maneuvers, and rear-facing cameras to watch the sky behind, he explained. Ukraine replied with machine-vision target capture and guidance.

Bad weather remains unsolved

None of that fixes visibility, Beskrestnov wrote, and the problem hits both ordinary and jet interceptors. The way out, he argued, is an autonomous seeker head, acoustic, thermal, or radar, mounted on the interceptor itself.

A radar seeker is the ideal, in his view, because it opens the door to a fully autonomous system with no human in the loop: the network sees the target, launches the nearest interceptor, guides it by tactical radar, and the seeker locks on for the kill.

A US firm has put a price on it

Building a radar small enough for an interceptor has proven hard, and teams in Ukraine and abroad are working on it, Beskrestnov said, adding that he would not discuss the Ukrainian efforts because the subject is sensitive.

He pointed to the American company Archimedes, which he said announced a radar days ago, operating at 24 gigahertz with a 25-by-14-degree field of view and a one-kilometer lock-on range, shown in a promotional video mounted on several Ukrainian interceptors, at about $4,000 per unit. Whether it works remains to be seen, he added, given how hard the problem is.

A Russian drone company is developing an interceptor drone—the cheap counter-drone weapon Ukraine has fielded at scale against Russian attack drones—internal documents published by the Russian resistance group Black Spark describe, the defense outlet Militarnyi reported. The documents describe two designs under consideration, and Black Spark alleges the company cooperated with Boeing before the full-scale invasion and spied on European companies.

Interceptor drones—unmanned aircraft that hunt other drones—scaled up out of Ukraine's need to shoot down Russia's mass Shahed attacks without spending million-dollar missiles on them. Ukraine now fields them from dozens of licensed makers, and their spread has pushed Russia toward faster jet-powered attack drones. Russia already flies anti-drone interceptors of its own—Ukrainian troops downed one in July—and the leaked designs would fly far faster than that machine.

Mortar-launched drone-killer

NIK is considering two interceptor designs. The first modifies the company's existing UBB-M, a folding-wing loitering munition that launches from a 160 mm container by mortar-style ejection. For the interceptor role, designers changed the wing from straight to swept, shrank the wingspan, installed a larger battery, and fitted a more powerful motor.

Explore further

Russia’s attack drones now jam the cheap interceptors sent to kill them

The modified drone weighs 15-16 kg, carries a 3 kg payload—likely a warhead—and flies at 250-300 km/h with a 20 km operating radius and up to 10 minutes of flight time, operating between 20 meters and 4.5 km altitude. NIK's second design has a cone-shaped fuselage with four electric motors. Its specifications remain unknown.

Espionage claim comes with no documents

Black Spark says the documents came from someone inside the company, not a break-in, and that it holds evidence the firm spied on European companies. It gave no details on the Boeing cooperation beyond dating it before the invasion.

The leak is Black Spark's latest operation against Russia's defense industry. The group, which operates inside Russia, says it infiltrated the Alabuga factory where Russia assembles Shahed-derived Geran drones and copied personnel databases. Ukraine's Special Operations Forces have acknowledged joint missions with Black Spark, including attacks on Russian oil infrastructure.