Implements priority to redistribute excess hydrogen on a planet ILS should NOT HAVE ANY DRONES! only Vessels as needed. Drones are located at consumer and producer ILS/PLS. ILS #3 gets hydrogen from orbital collector, ILS #2 gets hydrogen from other planets. ILS #1 asks for hydrogen from producers and sends it away via Vessels if it accumulates, ILS #0 provides hydrogen to consumers - either from producers or from orbital collectors.