The safety issue would also apply for mid-air refueling; that’s a precision maneuver that would endanger the crew of the cargo plane. Plus, if the cargo itself

The safety issue would also apply for mid-air refueling; that’s a precision maneuver that would endanger the crew of the cargo plane. Plus, if the cargo itself is expendable you’d be just as safe handling the cargo planes the same way as you suggest handling the fuel drones.