"It wasn't my ship," he said absently, glad that things looked normal (for here) and they were moving. "Not ... I was part of the crew,but it's Captain Reynolds' ship," he went on to explain. Not that the name would mean anything to her, but it helped ground him a little. "My sister was ... she was the pilot," he added, though that made him ache all over again for River. He managed not to bring her up again though -- at least not in context as a patient.
"Surgeon," he replied to her question. "Was, anyway, a trauma surgeon before ... everything. Now I'm the ship's medic," he added. His voice was almost up-beat, though the wariness, the weariness, was still there.
Simon looked around as they walked, marveling over the crowds. The attire. The fact he'd been thrust so far back into the past. Earth-that-Was. When he got back, he'd have a whole passel of stories to share at dinner.