Susumu and Daisuke brings the Wave Motion Activation Core to Earth which allows mankind to complete its first interstellar spaceship, the "BBY-01 Yamato". With Okita as the captain, Daisuke as the navigator, and Susumu as its tactical officer, the Yamato is commissioned to travel to planet Iscandar, in the Large Magellanic Cloud, with orders to retrieve a device able to restore Earth's environment...