Super Dimension Cavalry Southern Cross(1984)

Super Dimension Cavalry Southern Cross is a sci-fi anime series set in 2120, after Earth's devastation from a global war forces humanity to colonize distant planets. When an alien race called The Zor suddenly arrives to reclaim their ancestral homeworld, one human colony finds itself caught in the crossfire. What begins as a shocking first contact escalates into all-out warfare between the two civilizations, with survival hanging in the balance. The series follows the soldiers and pilots defending humanity's fragile foothold in space against a technologically formidable enemy. Blending military action with cosmic stakes, Southern Cross explores themes of colonization, cultural conflict, and the cost of interstellar expansion as both sides fight for dominance of contested worlds.