Staff Officer (参謀) (va Mahito Tsumura)
- Staff officer at Earth Defense Force headquarters under the command of Heikuro Todo. In 2201 he is enraged by the Yamato crew's insubordination and uses every tool at his disposal to stop the Yamato from leaving Earth for Telezart. This includes using magnetic missiles and the Battle Satellite. He later opposed Ryu Hijikata's move to converge the fleet to make a stand at Saturn.
- Later in 2203, he and Todo assisted in the plan to evacuate citizens of Earth during the Solar Crisis.