Ukraine’s drone attack against Russian airfields was audacious and daring. But most of all, it was meticulously planned and flawlessly executed.

Ukraine hit dozens of long-range bomber aircraft across Russia on June 1 with drones that were smuggled in wooden shipping crates carried on truck beds and then launched from nearby locations. An RFE/RL map shows the locations of the strikes.

The Security Service of Ukraine said that the operation, which it codenamed “Web”, had destroyed 34% of Russia's fleet of air missile carriers with damages estimated at $7 billion.