The Krenim Temporal Weapon Ship was built in 2174, at height of the Krenim Imperium. It was created by temporal military scientist Annorax. When Annorax used the weapon ship for his first mission, to erase the Imperium's enemies from history, starting with their greatest enemy, the Rilnar. However, Annorax failed to fully understand the complexities of temporal mechanics. With the Rilnar gone, a vital antibody in the Krenim physiology against a certain disease was erased and 50 million Krenim died of a plague within a year. When Annorax used it a second time, his temporal miscalculation caused the Krenim Imperium to collapse, the colony on Kyana Prime to be erased, and Annorax's wife to be erased. Annorax spent the next 200 years trying to restore the Imperium to power and Kyana prime to e