It doesn't take much for his notorious overthink to go back into overdrive once it becomes clear that there isn't anything just conveniently lying around to inspect. Grabbing something at random is a thought immediately discarded, he needs to at least narrow it down somewhat.

What are the chances that anything he's even supposed to be looking for is actually here? He frowns and tries to get a sense of how things have been organized and stored. Records of...what? Maybe of people posted for duty? What sort of numbers did they have to worry about? Inspection records? He tries a few drawers that likely promise to be even more of a boring read than trying to get through complicated history texts.