For your early morning enjoyment:
Ukraine FINDS ENTRANCE to Russian SECRET TUNNELS.
1.2TB of Shoigu DATA STOLEN.
Huge FACTORY ON FIRE
https://www.youtube.com/watch?v=m2HVgyZxiVU
“ Russian SECRET TUNNELS”
Sounds like a job for a whole new family of tunnel rat drones, that can operate without radio frequency control links.