York nods and submits to the testing without further complaint, without mention that their methods and known illnesses are probably going to be so different from the strangers' that they're not going to give much information. As long as they do the scans of his implant they can poke him wherever they want, take a liter of blood, whatever. But he does have one more question, one that possibly the medical officers can't answer.

"Why did you save us, anyway?"