Ukraine faces new aerial threat as Russia deploys low-cost Filin cruise missiles

Russia has introduced a new cruise missile named Filin that is causing serious concern among Ukrainian military experts and government officials. According to Ukraine's military intelligence agency HUR, the 11-foot missile is launched from the ground and began being used by Russian forces at the end of summer 2026. The weapon carries a 100-kilogram warhead and can fly at very low altitudes or climb as high as 3.7 miles. Russia claims the missile reaches speeds of nearly 500 miles per hour and has a range of 745 miles, making it faster than Russia's Geran-5 jet-powered drone which clocks 370 miles per hour.

Production and Cost

The Filin is built partly using 3D printing with a body made of carbon and fibreglass. Its estimated price is around 150,000 dollars per unit, which is about one-sixteenth the cost of a traditional Kh-101 cruise missile. This low price makes the weapon much easier to mass-produce. HUR found that the missile uses a Russian-made engine, which has also been spotted in other new air-launched missiles called Kover and Monochrome. At the same time, investigators discovered numerous foreign parts inside the missile, including 35 components from the United States, 22 from China, and 13 from countries like Japan, Switzerland, Taiwan, and the Netherlands, located within its flight controller, navigation system, and anti-jamming hardware.

Expert Warnings

Two former drone advisers to Ukraine's defence ministry, Serhii Beskrestnov and Serhii Sternenko, have warned that the Filin poses a bigger challenge than Moscow's jet-powered attack drones because it is faster, more agile, and carries a heavier warhead. Beskrestnov noted that these missiles do not need drone ports and can be launched directly from helicopters and unmanned aerial vehicles. Sternenko wrote on Telegram that the mass use of these aerial attack weapons could soon make jet Shaheds look like a small problem in comparison. They also pointed to another cheap Russian missile called Banderol, which first appeared in spring 2025 and costs the same 150,000 dollars, as evidence of the growing strain these low-cost weapons place on Ukrainian air defences.

Context

Military forces often explore lower-cost manufacturing methods to sustain long-term conflict operations without depleting stockpiles of expensive precision munitions. The use of commercial off-the-shelf electronic components in military hardware reflects a broader modern trend in defence technology. As adversaries adapt their tactics, air defence systems face constant pressure to counter high-volume, affordable aerial threats efficiently.