He's doing the thing. That smile humans do when thy're going to do something incredibly dangerous and ill advised that will probably involve hurling warp cores into suns for Reasons that no one aside from a human will rightfully understand. The rest of the galaxy is nervous about humans and that smile is a big reason as to why.

"...You're with the Fleet?" He certainly isn't dressed like it but they're not required to wear their uniforms while off shift. It's not as though with all the staff changes Norn knows each and every member of their newly re-made crew yet. That's half of why he's supposed to be in a meeting today.

Norn isn't sure whether to be more or less worried when the human doesn't look up from the small communicatorish data padish looking device he's poking at.