She was entirely correct in that sterilization was sometimes iffy, mostly in the fact that the army often failed to send enough supplies. The human body could fight off a remarkable amount of invasions from the outside, but when a hospital didn't have enough gloves for its surgical staff, or had to wash in boiled water instead of any sort of antiseptic solution... well, those times were trials to all of them, and the results were often chancy. Just because a soldier might live didn't necessarily mean he was intact.

Mulcahy glances at Sam once more, his face more solemn than it has been so far, but it's not an easy topic even if he's fully prepared to speak on it. "War. Something that should never happen, and yet happens much more than we care to think about. I joined the army to provide spiritual guidance for our boys in times of trouble, but... it's not exactly what I imagined it to be."