"I've been a soldier on and off since I was seventeen," Jack replied. It was no secret. Maybe when he'd first arrived he had been in the habit of dodging the truth but he had come to realize that no one here, other than The Doctor, knew or cared about the Time Agency. Honesty wasn't damning.

"I started at the war at home. A few years of that and I was recruited by an agency that sent me around time to collect things or set things right. A lot of the time I wound up in a war zone, a soldier again. I've seen a lot of wars on a lot of worlds and they're all pretty much the same."