Site of Humanity’s first contact with the Xi’An. In 2530 a greedy Human company attempted to terraform Th.us’ūng (then known as Pallas) III without doing the proper due diligence. Xi’An were already occupying the system and using it for research purposes. The situation was resolved, but the meeting set the tone for relations between the two species for centuries. Th.us’ūng became a part of the Perry Line that reverted to complete Xi’An control following the end of the Messers.