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

The targets were Russian warplanes, including strategic bombers and command-and-control aircraft, worth hundreds of millions of dollars. The weapons were Ukrainian drones, each costing under

Costing as little as $400 apiece, Kyiv’s flying machines are successfully neutralizing sophisticated Russian equipment worth thousands of times more