A new spray-on stealth coating, developed by a UK-based defense firm, could make small drones invisible to radar, according to verified reports from early 2026. The technology, described as 'stealth in a can,' is designed for use on low-cost drones, including those used in military operations.
Reports indicate that the coating absorbs radar waves, reducing the radar cross-section of a drone to near zero. This could make suicide drones, also known as loitering munitions, harder to detect and intercept.
However, experts caution that the technology is not a complete invisibility cloak. It may be less effective against advanced radar systems or at certain frequencies. The coating also adds weight and cost to the drone.
As of May 2026, the coating is in advanced testing but not yet deployed in active combat. Its development reflects ongoing efforts to counter modern air defense systems.
