The Federation maintained a Q-base on Fosforon, and Blake visited the planet to acquire a TP crystal. Blake's comments about Wanderer K47 suggest that the planet was within 3,000 light years of Earth. The high oxygen content of the atmosphere made fire a particular hazard on the base. A plague designed to kill any human who had suffered the Terran Ague broke loose on Fosforon and killed everyone there. Blake put out a plague warning transmitter, despite Servalan's imminent arrival.