River remains still and watches this mechanical monster more or less monitor it's own perimeter. What sort of resources would a government need, she wonders, to be able to build things like this? And why a Hulk of all the things?

Well, maybe that's a silly question. Right up there with how far out are they supposed to go, anyway? Once Meg is up, River climbs higher to see if she can spot anything else. "Turret."