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Empty skies after 9/11 set the stage for an unlikely climate change experiment - National | Globalnews.ca
Centre County Library and Historical Museum - During Canada's Operation Yellow Ribbon, over 200 aircraft were diverted to 17 airports across the country when U.S. airspace closed September 11, 2001. The musical "
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Shutdown of National Airspace System Was 'Organized Mayhem' | Aerospace News: Aviation International News
Closure of US Airspace on 9/11 | Today, we remember those lost on 9/11. On September 11, 2001, terrorists hijacked four airliners and flew two into the World Trade Center (American...
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