It more likely has to do with NORAD. https://en.wikipedia.org/wiki/North_American_Aerospace_Defense_Command https://en.wikipedia.org/wiki/North_American_Aerosp

It more likely has to do with NORAD. https://en.wikipedia.org/wiki/North_American_Aerospace_Defense_Command https://en.wikipedia.org/wiki/North_American_Aerospace_Defen...