Planetary Shield Generator
Tech Level 11
Cost 10000 mc + 100 Supplies
Maintenance 10 kt Neutronium per turn
Limit Per Planet 1 Per Race
Protects buildings from orbital bombardment
Protects gound units and colonists from orbital bombardment

With one of these in place the only things that can damage your planet side buildings are
super lasers or enemy ground assault forces. Ships can not otherwise damage anything
on the planet's surface belonging to your race. Enemy and ally structures are not protected
by your shield system.