Safety Control Apparatus, I'm pretty sure it was. [She concentrates on the words to make sure they come out right.] It translates our words so we can speak to each other, gives you a map while we're on a mission and lets us communicate across distances... oh, and you can use it in an emergency to return to the train if you're in danger, without fail. There are other things, too, but those are the most important.

[She smiles.] We don't know as much as we'd like, but something is clearly trying to keep us safe, if we're going to be doing this. It's a start.