9 Season
158 Episode
MegaStructures - Season 2 Episode 20 Norad (Spy Fortress)
Examining construction of North American Aerospace Defense Command (NORAD) in the Colorado mountains. Including the technical challenges it presented.
- Year : 2012
- Country : United States of America
- Genre : Documentary
- Studio : National Geographic
- Keyword :
- Director :
- Cast :
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