It's hard to exaggerate the sheer audacity - or ingenuity - that went into Ukraine's countrywide assault on Russia's air force.
We cannot possibly verify Ukrainian claims that the attacks resulted in $7bn (£5.2bn) of damage, but it's clear that "Operation Spider's Web" was, at the very least, a spectacular propaganda coup.
Ukrainians are already comparing it with other notable military successes since Russia's full-scale invasion, including the sinking of the flagship of Russia's Black Sea fleet, the Moskva, and the bombing of the Kerch Bridge, both in 2022, as well as a missile attack on Sevastopol harbour the following year.
Judging by details leaked to the media by Ukraine's military intelligence, the SBU, the latest operation is the most elaborate achievement so far.
In an operation said to have taken 18 months to prepare, scores of small drones were smuggled into Russia, stored in special compartments aboard freight trucks, driven to at least four separate locations, thousands of miles apart, and launched remotely towards nearby airbases.
