[Hotfoot]

Originally posted by Unknown_Enemy:
The only use I have been able to figure for drones are light drones mounting EMC and allegiance subverters.

Other than that

Whoa....that's Evil...

Drones are like the ICBMs of Space Empires IV. Got a planet that's really bugging you, but you don't want to send a fleet to glass it? Drone it to death. Need some really powerful, hard-to-stop anti-capital ship missiles? Drones. They kind of combine the role of the fighter, the capship, satellites, and mines, all in one small package. They are also the only units that can travel through warp points.

Also, I suppose you could mod some drones as sort of mobile ship refueling devices. Well, if you could fleet with them, that is.