Howling:Utopia question

In the episode Utopia, a big deal was made about how the rocket at Silo 16 was the only thing that could get the human refugees off the planet and on their way to Utopia. But in order to land on the planet in the first place, they must have had some form of interplanetary transport; why couldn't they just use that to reach Utopia? 82.2.136.93talk to me 22:31, February 16, 2012 (UTC)