It would have to be to even stay up in the air. [Get to space and then stay floating in space, semantics.] There must be a control room, an engine room, a docking port for supplies and crew, air recycling, water treatment, waste disposal, and so on. They don't want us touching anything important.

I'm not even sure I would trust these people to actually store our belongings anywhere. [He rubs one of his wrists, bare, reminded that somehow they've altered his physiology so that he isn't burning himself up from the inside out with unchecked power.] Might be studying them instead.