Lieutenant supervising Locke's initial operation on Sedra. He is exposed to the alien element during the bombing and is later decontaminated at the Sedrane Colonial Guard hospital.
Gaines acts as the commanding officer overseeing Locke's tactical operations.
Gaines and Hundley share combat exposure and medical recovery as fellow officers.
Gaines and Estrin operate within the same tactical command structure.
Explore the full interactive character relationship map of Halo: Nightfall