And yet ... she doesn't put her gun down. Even though she's agreed to do it. And in the face of that, he's reluctant to lower his, either. Sure, she's no danger to him, personally, but he doesn't like the thought of losing potentially the one thing that's stopping this stalemate becoming something much worse.

Blame the Time Agency. Blame the Army. Hell, even blame Torchwood if you want. He's been a soldier or something like a soldier through wars on Earth and wars far away, and he doesn't know what threat she is. Or isn't.

"USS Enterprise?" he asks, narrowing his eyes. "The United States doesn't have starships." He lifts his eyebrows. "Unless I just traveled in time, too."