Ukraine’s military commander in charge of the country’s drone warfare program urged the US and NATO countries alike on Wednesday to learn from Kyiv’s use of the technology on the battlefield so in the future there are not “hard questions from your children [about] when [their] father will come back.

Russian forces only deployed a few Shahed kamikaze drones at a time, but now there are up to 700 per night. In addition to terrorizing Ukraine's population, these drone swarms are pummeling its crucial arms industry.