First Flights with Neil Armstrong - Season 2 Episode 1
In the 1920's, early auto gyros made breakthroughs in rotating wing design, and by the 1930's military interest propelled helicopter development. Advances in controls, and the availability of lightweight turbine engines finally made a practical helicopter.
- Seánra: Documentary
- Stiúideo: A&E
- Eochairfhocal: aviation, military aviation
- Caitheadh: Neil Armstrong
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