normal drones

low battery / uncertain drones

expendable package carriers

returning or lost drones

landed complete drones

fixed-wing intermediate RF relays

ground units move low and slow

forward quad swap/cache bumps

fixed-wing expendable effects

abstract ballistic support line/effects

home base and target area

Mouse drag: orbit. Wheel: zoom. X units must touch forward service pads node by node; returning X units recover at the nearest forward base instead of running home.