Heikurō Tōdō commands the Earth Federation Defense Force, wielding authority over Earth's military and administrative sectors, notably the Far-East District. This district previously served as a vital UN administrative and military zone during the Great Garmillas War, overseeing underground cities and security operations under planetary attack. As Chief Executive during Earth's crisis, he managed civil unrest and resource allocation, deploying security forces to quell riots in district sectors like 6 and 7.

Leading under the Earth Federation, he prioritized Earth's neutrality in interstellar conflicts, particularly the Galman territorial dispute. He embodied this policy in structuring the 65th Escort Squadron, appointing Osamu Yamanami to command its personnel and vessels. His strategic appointments included approving Yuki Mori as captain of the supply carrier Asuka and Shiro Sanada to command the combat carrier Hyuga.

His personal history involves sacrifice; his wife Chiaki perished early in the Garmillas War, leaving him the sole responsibility of raising their daughter, Saki Todo. Saki later captained the wave-motion experimental ship Ginga, contributing to lunar reconstruction after the Gatlantis conflict. Tōdō maintained a professional yet distant relationship with her, reflecting his prioritization of duty.

During the Gatlantis War, he authorized high-risk operations such as the Yamato's mission to Telezart despite political objections. Facing the Dezariam crisis, he coordinated Earth's response to Garmillas's destruction and Iscandar's disappearance, relaying Dessler's distress call to the Yamato fleet and endorsing Kodai's unsanctioned rescue mission. His actions consistently balanced military pragmatism with protecting Earth's sovereignty, demonstrated when he later resisted Alfon's occupation forces during the 2207 Dezariam invasion. Documented history begins with the Great Garmillas War and ends with the 2207 occupation.