Chuck Mustang is a member of Walküre’s support team and a skilled pilot in Macross Delta, serving as the VF-31E Siegfried pilot associated with Delta Flight. He is a dependable, energetic character who helps protect Walküre during their performances and combat operations against the Var Syndrome threat. As part of the series’ tactical and musical conflict, Chuck contributes both aerial support and personality, balancing action, teamwork, and loyalty while reinforcing the close bond between the Delta Flight members and Walküre.