Henderson was the officer in charge of the US Space Surveillance Center at Cheyenne Mountain, Colorado. He was the Air Force's premiere reclamations expert according to Deep Throat, and during the Cold War his job was to prevent technologies from downed US aircrafts from getting into Soviet hands. When an alien spacecraft (a "fallen angel") crashlanded outside of Townsend, Wisconsin, Colonel Henderson was sent to retrieve the wreckage of the flying saucer and capture its pilot, as part of Operation Falcon.