Costing as little as $400 apiece, Kyiv’s flying machines are successfully neutralizing sophisticated Russian equipment worth thousands of times more

Russia has relied on the Iran-designed Shahed drone, a cheap drone armed with shrapnel and designed to target infrastructure with significant collateral damage to civilians.

Hundreds of Ukrainian kamikaze drones have flown towards Moscow in recent weeks. None appear to have even reached the Russian capital, yet the effect on the city — and the wider country — has been hugely significant.