Spacecraft consultants Frederick Ordway and Harry Lange, who had worked for Nasa, persuaded companies such as Boeing and IBM to supply prototypes and technical documents for use in the film.
Spacecraft consultants Frederick Ordway and Harry Lange, who had worked for Nasa, persuaded companies such as Boeing and IBM to supply prototypes and technical documents for use in the film. Astronauts visiting the set at Borehamwood referred to it as "Nasa East".