Drones are “here and because they're ubiquitous, because they are quite useful and they're demonstrating that every day in Ukraine,” one analyst told NBC News.

Ukraine's audacious targeting of major Russian airbases is "grounds for a nuclear attack," a prominent Kremlin propagandist and ally of Russia's President Vladimir Putin has said. Ukraine launched simultaneous attacks on multiple Russian airfields on Sunday in an operation dubbed "Spiderweb,