Uchû daisensô Soundtrack (1959) OST

Munchkin-like aliens invade Earth full force with their flying saucers and laser weapons, rendering cities helpless. All eyes turn to the most powerful nations on Earth as they unite to concoct a plan to vanquish the aliens and return Earth to the hands of humans, thus, resulting in the most fierce and ultimate battle royale in outer space the galaxy as ever seen.