Cameras. He needs cameras, when they stop in civilization, he needs them everywhere, because memories are pristine and all that, but what he wouldn't give to be able to watch this over and over and over again.
It's a passing fancy, and he turns back to his sandwich, completely unwilling to wipe the grin from his face. Pleasure. That was exactly what it was, Jim thought, steadying his food to bring it back to his own cabin. A pleasure indeed.