TV-Series
Description
Captain Grant Hanson pilots Thunderbird 3 (TB-3), an APC-style mobile command center deployed for ground monitoring during rescue missions. This heavily armored, all-wheel-drive vehicle employs multi-deflector shields and infrared cameras for search operations. TB-3 splits to merge with Thunderbirds 1 and 2 for long-distance transport and houses auxiliary vehicles—TB-11 armored ground unit, TB-12 bulldozer, TB-15 scout, and TB-16 tunneling machine—in its hangar bays.

Hailing from New Berlin, Hanson stands as the rescue organization's oldest active member. His background includes Lunar Academy studies in Communications and Meteorology, leading to asteroid mining in the Rama Space Seed project. He maintains a stern, mission-focused demeanor emphasizing safety protocols, occasionally clashing with younger colleagues despite his unwavering commitment to team and civilian welfare.

As senior field captain, Hanson commands disaster response coordination for technological and environmental crises beyond piloting TB-3. The English adaptation notes his respected leadership position, though introductory narration inconsistently references "cadets" while episodes designate members as captains. His role demands collaboration with Thunderbirds 1, 2, and 4 operators during complex missions.

Off-duty, Hanson seeks solitude through activities like fishing near the pyramidal Pacific Island Arcology headquarters, contrasting his intense professional focus. The Japanese version uses the name Gran Hansen without substantive differences in background or duties. No character development or narrative arcs expand upon his established traits or history.