After the seconde battle of earth the loyalist retreat to Reach trying to made a fourth assault on earth. At this time the remainning Loyalist plan to use this powerfull ship to cruch the newly formed alliance so the construct a large factory in orbit of Reach knowing that unsc would eventually try to retake the Planet to all cost. This powerfull warship were create to concurence the separatist tricked ship. Thus a enourmous fleet war guarding reach.