Jim's eyes widen and his expression opens. There's relief there, though Jim can't specifically say why. Probably just because it's good to have someone who even remotely knows where he comes from, even if it probably won't bring them any closer to finding a way out of here.

"Well-- I'm sorry to say that this time around, I'm not on a mission. My ship isn't orbiting the planet. Actually my ship isn't anywhere, as it was on the process of being rebuilt when I found myself here."

There are a lot of questions he wants to ask, not all of them exactly tactful. He chooses to go with one that's a little less invasive, or so he hopes. "I assume you're not a Starfleet officer?"