Wendy Watson claims that it is your legal responsibility as Captain to annihilate the Draconian as a species since you now have the tech to potentially do so. She has consulted with scientists and confirmed that recovering items constructed in Draconis should provide an adequate quantum signature to blow the Draconis star up in the past… erasing the Draconians from the entire timeline.
You end up confronting the Draconians in Sector C-1. They’ve destroyed the Osiria star system. You This leads into the final boss battle with Galactrix Ultra.