The aliens are trying to capture orbital bases with weapons and are doing everything to destroy your space guards. Do not despair, even if the help is a few million light-years away, try to independently deny the total defense to the enemy from the Guardian of Space. Pervade with machine gun bursts all unidentified flying objects that will try to approach the protected objects. Shoot so accurately that in a short time to destroy the incoming galactic pirates. If you do not liquidate them first, you can not become a real defender of your country.