the plane that had a “puff” and shot forward at phenomenal speed
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‘Puff’ - I think that’s called a pulse jet ; you can see a bluish pulse it their jet flame - could be wrong here, but is explanation I was given.
The big story in the Skunk Works article is the emphasis on how fast they can now prototype and build - that has been mentioned in other articles, but mostly as an aside to the main topic.
Yes, but I think they called it the “Pumpkin something or other.”