Seth follows, though he pauses on the way out to tell one of the clinic workers to call in more help. He doesn't say why, of course, even if many of them would help. He doesn't want to inadvertently tip anyone at the rebel base off. The fewer people in the know, the better. That's how he's always planned it - a surgical strike.

"There's two options," he answers, once he's rejoined the other two. "There's some stairs going down there not too far from the main entrance, but obviously there's more people there. Or there's a side entrance I think'll work. Locked, but I can get past that. It's barely used, but we'll have to enter from the train tunnels rather than the station."