Scivillage.com Casual Discussion Science Forum

WTF? The FAA grounds all flights in the US due to undisclosed "extraordinary circumstances!" Can it be? Can this finally be it? Contact day? Is this how it starts? Stand by people!

https://www.nbcnews.com/news/us-news/faa...kqD7TFCDAw

Likely just computer/telecom problems, like in September.