UNSC. [ the tilt of her head gives away carolina sweeping the area around them before her attention settles back on sombra. ]

Started off with humanity's unified military training, then I wound up getting recruited into an experimental program. Our director trained us hard, but it always paid off in combat. Wash and Maine were my teammates there; it's why they're almost as good as I am.

[ but with slightly less ego, too. ]