Loitering anti-tank munitions are basically just that--a drone with shaped charges that fire down. Russia actually has a mine that detects the seismic profile

Loitering anti-tank munitions are basically just that--a drone with shaped charges that fire down. Russia actually has a mine that detects the seismic profile of a tank rolling nearby, launches a drone (of sorts) into the air, and shoots a shaped charge right down into the tank (where there's very little armor compared to the sides): https://www.youtube.com/watch?v=zqtFhqSNubY https://www.youtube.com/watch?v=zqtFhqSNubY