The radio network would eventually spread and serve over 500,000 GI's, and Hansen hosted the station's very first morning show in Saigon.

After his discharge, Hansen worked as a disc jockey for major Top 40 radio stations around the country, until he was hired in 1970 by Mel Blanc Audio Media.

[6] Also at Watermark, in 1977 he became best known for creating, producing, and directing the popular dramatic radio series Alien Worlds – On The Threshold of The Unknown.

[1][2][3] The stories were written by Hansen and Ron Thompson with a variety of other co-writers including Babylon 5 writer J. Michael Straczynski.

He later gained prominence with his production company “GDE” as a writer, producer and director for film and TV features centered around the US Space Program and Aerospace Industry.