Across the country, swarms of small explosive drones descended onto military bases and destroyed a large part of Russia's nuclear bomber fleet. The flying bombs were smuggled into Russia by Ukrainian intelligence services in a plot known as Operation Spiderweb.

By Ukraine’s count, that would make this operation one of the most efficient, dollar for dollar, in the history of warfare. No doubt the operatives behind the strike deserve to take a bow. But once the Russian targets stop smoldering at their bases,