The United Republics of Federated Systems (U.R.F.S.), also known as the United Republics, the Federated Systems or simply as the Systems, is the offical name of a medium-sized intersteller federal republic that is centred pridominately on the Cygnus Arm of the Milky Way Galaxy. The U.R.F.S. is predominatly formed up of a population of Terran humans, who orginated on the planet Earth in the Sol Star System.