Thomas is good at improvising, not planning, even when sober, healthy, and not plagued by ghosts. What Levi says seems reasonable enough for speculative purposes, except for the implication of warfare.

"A military outpost?" He asks, eyebrows quirked. "I wouldn't think much of it if it was one...although if it were expected to fall, well."

It wouldn't be the most unlikely thing he's ever heard.

"You a military man, Levi?"