On the Threshold of Space
- Joer: 1956
- Land: United States of America
- Genre: Drama
- Studio: 20th Century Fox
- Schlësselwuert: u.s. air force, space flights, united states air force
- Direkter: Robert D. Webb
- Besetzung: Guy Madison, Virginia Leith, Dean Jagger, John Hodiak, Martin Milner, Warren Stevens