[It's more than overwhelming. Armin has never been a prideful person, but even he's a little embarrassed at just what a fool he is when he comes to this. Softly, gratefully, he asks:]

One more time, if you would, please - and...navigating to the other map, as well.

[There's a pause.]

How...could it possibly know where the location of our enemies and allies are...? Not that we're to trust that information, necessarily, but...still...

[The same technology that one uses to target an air strike, maybe, but Armin barely knows a thing about that, and it doesn't seem nearly as precise...

[None of this seems possible; that's how he manages to stomach it.]