China's slaughterbots show WW3 would kill us all.
https://www.youtube.com/watch?v=6D4rsqxqSIc
Ground Drones – Ukrainian-Russian Unmanned Vehicles Arms Race Heats Up
https://www.kyivpost.com/post/33885
Unmanned ground vehicle - Wikipedia
https://en.wikipedia.org/wiki/Unmanned_ground_vehicle