Hamilton Innis was tall and heavy—six four and about two hundred and fifty pounds. Wearing a powder-blue jump-suit with SENTRAX in red letters down its left breast, and soft black slippers, he floated in a brightly lit white corridor, held gingerly to a wall by one of the jumpsuit’s Velcro patches. A view-screen above the airlock entry showed the shuttle fitting its nose into the docking tube. He waited for it to mate to the airlock hatches and send in the newest candidate.