Ensign Bright Noa first assumes command of the assault carrier White Base during a devastating Zeon attack on Side 7, thrust into leadership after senior officers, including the mortally wounded Captain Paolo Cassius, are incapacitated. Despite his low rank and inexperience, he guides the ship and its mixed crew of military personnel and civilian refugees to safety. This perilous journey involves overcoming crew insubordination and forging untrained civilians into combat soldiers under relentless Zeon pursuit. His early command adheres strictly to military protocol and exhibits visible irritability, though he gradually evolves by relying on key bridge officers like helmsman Mirai Yashima. After reaching Federation headquarters at Jaburo, he receives a formal promotion to captain.
He commands the White Base through pivotal battles at Solomon and the Zeon stronghold A Baoa Qu. During the final assault, the ship suffers catastrophic damage, loses both engines, and crash-lands inside the fortress. Bright leads the surviving crew to evacuate before its destruction, an experience profoundly shaping his resolve and leadership in future conflicts.
Post-war, he marries Mirai Yashima; they have two children: Hathaway and Cheimin. By the Gryps Conflict (UC 0087), holding the rank of Commander, he faces marginalization within the Earth Federation Forces due to Titans faction dominance. While piloting a transport shuttle, he encounters Kamille Bidan during the Gundam Mk-II theft and is falsely blamed. Disillusioned by Titan abuses, he defects to the Anti-Earth Union Group (AEUG). Rescued by the AEUG flagship Argama after an attack, leaders Blex Forer and Henken Bekkener persuade him to become the ship's captain, leveraging his White Base experience despite his initial reluctance stemming from losing two previous commands. He orchestrates major operations, including the assault on Jaburo and the decisive use of the Gryps colony laser to end the conflict.
Immediately after the Gryps Conflict, he docks the damaged Argama at Shangri-La colony for repairs. Facing Neo Zeon with minimal resources, he recruits local junk dealer Judau Ashta and his friends as pilots. Later commanding the new cruiser Nahel Argama, he advocates retaining Judau's team despite Federation pressure to replace them. His crew eventually assumes emergency command, granting him a period of respite where colleagues note his visibly graying hair from the stress of managing the inexperienced group.
By Char's Counterattack (UC 0093), he commands the Federation's Londo Bell task force countering Zeon remnants and captains the battleship Ra Cailum. He spearheads efforts to halt Char Aznable's attempt to drop the asteroid Axis on Earth. After failing to divert Axis with nuclear missiles, he coordinates a high-risk operation involving mobile suits and demolition teams to fracture the asteroid. Though partially successful, the plan requires Amuro Ray's sacrifice to push a fragment out of Earth's trajectory. Char acknowledges Bright's tactical impact during the crisis.
In UC 0096, during the Laplace's Box incident, he remains captain of the Ra Cailum and commander of Londo Bell. Federation leadership continues to view his extensive combat record with suspicion, sidelining him from mainstream military influence despite his reputation for managing Newtype-capable units. His role involves deploying mobile suits and maintaining discipline, such as restraining pilot Riddhe Marcenas during critical operations.
Years later, his son Hathaway leads an anti-Federation insurgency as "Mafty." After Hathaway's capture and execution without trial, subordinate Kenneth Sleg deliberately keeps Bright unaware of his son's fate to spare him the ordeal. The Federation later manipulates the event for propaganda, falsely claiming Bright authorized the execution and that Hathaway expressed remorse. Emotionally depleted by cumulative losses and institutional corruption, Bright submits his resignation, planning to enter politics or open a restaurant. While the military initially accepts his resignation pending one final operation, Federation bureaucracy ultimately obstructs his retirement, fueled by rumors they sought to retain control over a potentially influential figure.
Throughout his career, he evolves from a rigid junior officer into a pragmatic commander defined by resilience amid institutional neglect. His leadership consistently emphasizes personnel management over grand tactics, stabilizing volatile pilots like Amuro Ray, Kamille Bidan, and Judau Ashta across multiple wars. His personal life reflects the war's toll, particularly through his strained relationship with and loss of his son, alongside persistent professional friction with Earth Federation authorities.