When the UNSC learns that the Covenant has discoved a new planet for resources. The UNSC sends Spartan-107 to explore the planet and see to if the natives will join forces woth them. But Equestria has never seen this kind of warfare in their history. With their small knowlage of war Princess Celestia and Princess Luna are now forced to raise the army to protect their loyal subects along with the United Nations Space Command.