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

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

Ukraine released new footage on Wednesday of its major drone strike on four Russian military airbases, showing attack drones targeting numerous Russian strategic bombers and landing on two airborne early warning and control planes.