On all planets that the High Command at least partially controls, they set up huge facilities, the so-called Citadels, which possess massive attack, defense and surveillance systems. From here they direct all their expansion, resource gathering and planetary takeover operations. The Citadels also serve as living quarters for the High Command staff and anyone who has business dealings with them in one way or another. Of course, even in such places there are lawless areas that not even the seemingly omnipotent High Command knows how to control...
