The UEF Drone uupgrade in its current state is a bit of a one shot. Your drone has mostly just time for one task befor it gets spotted and shot down.
Building a new one is a pain because it forces you to stand still and upgrade your commander.
Solution: Kennels already rebuild drones, UEF coms should also. Not for free of course, but for the cost of the upgrade.
One a side note double drone upgrade is bugged already.
When second drone gets shot down, first drone respawns at the commander from any location.
When first drone gets shot down, second drone dies as well.
Can we fix this? It would be a good buff for the drone upgrade and bring you all that faction diversity you are asking for. Could it be implemented with the general overhaul on commander upgrades that someone else proposed?