Go to pit & wait for signal when you switch them on, dog whistle morse emergency, return at low battery. I said six grenades you are still short. Equivilent 7000 men, Please do as I tell you regarding defence. Occupied territory can be reclaimed this way, I own the patent & you can't have unless my allies & I are allowed unlimited sounding rockets.
This is a chaging station with proper Carbon fibre hangings & an engine that runs, darkness. Use liquid tanks with a secret hatch. Standing Concrete is useless.
