This article is settled on Earth 5.1, a technological and updated version of Earth.
The Occupation of Okarian Empire was the final, last and third phase of Space War. After winning at Cloga and Chantis over the last okarian units, the Kingdom attacked its own ally (Federation of Lactia). The Federation could not resist the two-fronts attack, and they had to give up. Meanwhile, armies of the Kingdom and Pluto and allies occupied the empire.