A plan born of desperation, conceived in response to the imminent destruction of their home worlds.
As plans for the evacuation began, unmanned probes were sent into deep space to find a habitable planet. When a potential site was discovered, the first interstellar transport ship, Pioneeer 1 was sent to establish a colony.
Pioneer 1 confirmed that the Planet Ragol was a suitable location, and the inital colonists started preparing the planet for the main wave of refugees, beginning with the construction of the Central Dome.
7 years later...
Pioneer 2 completed its long voyage with the main wave of refugees aboard. But as Pioneer 2 entered orbit and opened a communications link with the Central Dome, and enormous explosion shook the entire planet. All contact with the thousands of men and women of Pioneer 1 was lost.