"Was there much in there about missions? Once a month, we stop on some world that needs our assistance in some way. Some of them know about the train, some don't. No one has to help the people, you can choose to stay on the train. And each team has a specific assignment. You don't have to go with your team, though. I'm on purple, but the last two months, I've helped the blue team with their assignments." Even though he'd nearly frozen his face off on the last one.