Fred Johnson is a fictional character from the science fiction series The Expanse. He is a former Earth military officer who becomes a key figure in the political landscape of the solar system. Johnson is known for his pragmatic approach and often finds himself navigating complex moral dilemmas. Throughout the series, Fred Johnson is the leader of Tycho Station, a significant hub for various factions. His character represents themes of loyalty, leadership, and the struggle for power in a divided universe. He plays a crucial role in the interactions between Earth, Mars, and the Belters.