Aaron Madison Davis, Senior, born Aaron Madison Bryant, (SN: 7567-11387-AB) is the heir of a career militant family, who served as a Marine and Orbital Drop Shock Trooper during the Human-Covenant War. Aaron Davis was a highly trained soldier, serving with various units of the Naval Special Warfare Command. Davis played a role during the course of the Great War and fought at battles such as New Atalia, Reach, Earth, the events at Installation 00, and at the Ark. He continued serving after the war and quelled numerous Insurrectionists movements that laid dormant during the war with the Covenant.