Like he'd still be wanted by North's time.

"I haven't been with the military for a while," North shrugged off, but there is weight behind the words. The 'how' of the leaving wasn't exactly the best thing to talk about. After the momentary discomfort he puts the smile back in place. "But what's a Marine with out an army to serve? It wouldn't happen here even if I wanted it. Which I don't."