Ukraine unleashed more than a hundred drones smuggled deep into Russia in what it called its most damaging attack yet.

Ukraine’s Security Service said it has struck at least 40 Russian bombers deep inside Russian territory in what would be one of the largest and most audacious attacks on Russian territory in the years long conflict.

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,