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Kyiv said that day it had managed to shoot down 62 drones, and that a further 67 were “lost” - meaning they were either downed by electronic warfare, or disappeared from radar screens.

But analysts believe the Russians most likely lost control over their drone, possibly due to jamming by Ukraine’s electronic warfare systems.

Louis Mosley of Palantir says the programme is helping Ukraine to skirt around Russia’s electronic warfare and air defence systems to reach their target.

It also develops parts for space travel and “electronic warfare” products.

The Russians too, like them, have worked out ways to jam their signals using electronic warfare.