Except the Ukraine kind of went out and built it.
People in this thread keep talking about DJI, and off the shelf US drones.
Ukraine has move so far beyond commercial products (but still in use) that it's laughable.
https://nationalinterest.org/blog/buzz/ukraines-drones-can-n...
https://www.kyivpost.com/post/60152
A drone isnt terribly hard, or costly. It is a solved problem. The interesting bits are the software and even those are "easy" -- more so with "ai" in the aid of development. Ukraine isn't paying for "testing" either, they just send things to the front and try them against Russians.
This film predated the Ukraine war, and it felt like fiction six years ago.
This is absolutely coming.
The government is concerned about who might print a 3D gun, but this is the real danger.