Who wouldn't have a military? Uther "paranoid tyrant" Pendragon would never build a kingdom without one, so Arthur doesn't even question the assumption. One side of his mouth ticks up in half a smile, and he nods.

"I've led the most elite knights of Camelot since I was old enough to prove myself." He'd say he had to prove his merit like any man, but it's also true that: "I'm also Camelot's king, and my father was before me."