After the fall of the Third Terran Empire, the throne world was moved to the Subcapital of Principe. The Duke of Principe took control of the empire and ruled it from his home. After a decade of his rule, a group of imperial worlds left the empire and became independent. The remaining worlds turned their remaining vessels over to the crown to maintain and provide protection to them.
IMS-Imperial Majesty's Ship
CSS- Carnorian Starship