The interceptor drone is the one part of Ukrainian air defence that scaled. Cheap, built at home in the tens of thousands, it took down the bulk of incoming propeller-driven Shaheds through 2025 and gave Ukraine what is now studied elsewhere as an unusually effective short-range air-defence layer. Russia's jet-powered Geran variants broke that model — they fly higher and faster than the interceptors chasing them, and when they arrived in numbers they pushed Ukraine back onto guided interceptor missiles it can no longer reliably obtain. On 14 August, Mykhailo Fedorov announced that the answer to the jet is another jet: Ukraine has begun combat trials of its first domestically developed jet-powered interceptor drones, exceeding 600 kilometres per hour and built specifically to run down jet Shaheds. Several Ukrainian producers now have working designs, developed over the past year through grants, evaluation and testing routed via the Brave1 defence-tech cluster; the first confirmed shoot-downs are still awaited, which is the honest status of the thing. 'The Russians are gradually replacing conventional Shaheds with jet-powered versions,' Fedorov said. 'That marks a shift in air-war strategy. We have to respond quickly so we can keep beating Russia in every new technology cycle.' The arithmetic underneath is why the drone route is taken at all: a Ukrainian-built jet interceptor costs a small fraction of a guided round that must be waited on from a partner capital, and Ukraine's stock of those is close to empty — of roughly 150 Iskander-M ballistic missiles fired at the Kyiv area since 1 July, around seven were shot down. It is also a faster machine than the interceptors already recorded here: the Skazhenyi vertical-takeoff design fielded in early August reaches 365 kilometres per hour, and SkyFall's P1-SUN JetKiller, unveiled in July, 370. The target is not standing still either. Colonel Artem Skurativsky, who heads air defence for Ukraine's 7th Rapid Reaction Corps, says Ukrainian forces were intercepting 80 to 93 percent of Geran-2 and Shahed-136 drones — which is precisely what forced Russia to the jet — and that a Geran-3 covers the distance from the Belarusian border to Kyiv in 35 minutes, four times faster than its predecessors. He also names the trade Russia made to get that speed: the jet drones are larger and therefore easier for radar to see, and their heat and emissions signature leaves them exposed to shoulder-fired missiles. They remain about a fifth of the Gerans in a large strike series. The answer now has a name. Ukraine's Defence Ministry said on 21 August it has developed the Alexa Spatium jet interceptor, capable of taking on the Geran-3, Geran-4 and Geran-5 as well as reconnaissance drones and helicopters. ISW assesses that an effective jet interceptor would be a cost-effective substitute for surface-to-air missiles and MANPADS and would reset the offence-defence race — prospectively; there is still no confirmed shoot-down.