 In the episode "Star One" the crew of the "Liberator" find the control centre, but they also find that it controls a vast space minefield that protects the Federation against the Andromedans.Its systems are destroyed by infiltrating Andromedans and the "Liberator" makes a stand to protect humanity while Federation ships race to the battlefront.After the destruction of "Star One" and the loss of 80% of their fleet in the Intergalactic War, the Federation fell apart.