Super Robot Wars/V/Story
The creation of the first unified government over all humanity, the Earth Federation, marked the beginning of a new era: New Correct Century, and the beginning of humanity's expansion into space. However, it was also said to be the beginning of a new era of war. The battle between Earthnoids and Spacenoids that began with the One Year War raged on through Char's Rebellion, giving way to the so-called 10 Year Void.
A century has passed since then, and after the end of the Jupiter War, the Earth Federation was invaded by an alien species known as the "Gamillas". The Gamillas established a forward base on Pluto, and began launching planet bombs at Earth. The planet bombs destroyed the space colonies and devastated Earth. The oceans were evaporated, the air was polluted, and the survivors were forced to retreat to shelters deep underground. Scientists estimated that only one year remained before humanity's extinction.
Now, the fate of the human race rests on the crew of the Space Battleship Yamato...