Hear the story of how Nav Canada Air Visitors Management in Gander, Newfoundland did the unimaginable job of touchdown 224 planes in 4 hours.
9/11: Cleared for Chaos premieres Wednesday, Sept 11 at 10ET | 7PT.
Watch the particular now together with your Discovery.ca sign-in: https://www.discovery.ca/Reveals/9-11-Cleared-for-Chaos/video?vid=1765274
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