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NASA, Lockheed Martin Reveal X-59 Quiet Supersonic Aircraft
(www.nasa.gov)
This is a most excellent place for technology news and articles.
What is the X-109?
It's classified.
I can't even find the existence of the name, which would be quite unusual.
It's G-14 classified.
Just mentioning that a G-15 classified project is classified as such, is a serious crime. I will report to the authorities before they.... Someone is already at my door!
Hello.
That woosh definitely made a sonic boom