Captain Henry Henderson commands as a Galactic Patrol officer, holding authority aboard Patrol vessels where he oversees operations and personnel. His duties involve direct interaction with Lensman Kimball Kinnison and other key Patrol members, issuing assignments and coordinating responses to galaxy-spanning threats like the Boskone Empire. Henderson bears strategic oversight for missions critical to galactic security. Across comic book adaptations and a compilation film, he consistently appears as this senior authority figure, maintaining his command role during high-stakes scenarios and conflicts involving the Boskone. His narrative function focuses on coordinating with Lensmen during critical missions from his position within the chain of command.