United Nation Space Ship Berith (UNS Berith) is the Colonial ship departing from earth 2450 to Tau Ceti, the colonist are composed of survived members following the World War Three and the eventuall global nuclear meltdown. UNSS project started at 2400 and finished five decades later, during that time, many of the World War three survivor found their safety in the Republic of Mars.
UNS Berith utilize slower than light traveling, at one third of lightspeed. The travel are counted to take, about three decades.
During the entrance to Tau Ceti's Oort cloud, an accident happened, and UNS berith landed with the expense of the colonist that was, at that time, in suspended animation.