After the disastrous end of Space War I the human race had won the war, however at a terrible cost and it was decided by the New Earth Government to start a plan to make sure that what happened in Space War I would never happen again. Therefore the half-finished SDF-2 battlefortress, a human-built copy of the original SDF-1 was finished as the first Long-Range Colonization Ship Megaroad. This would be the start of the Space colonization plan and the NUN would construct one or two Megaroad Colony Ships every year after the 2012 launch of the Megaroad-01.