https://theaviationgeekclub.com/heres-why-viffing-in-a-harrier-jump-jet-is-an-interesting-technical-capability-with-virtually-no-real-world-utility/
Viffing….
Maybe that's the tie in to Scavino's tweet with the F35…USMC variant
The jet noise took a different tone towards the end of the video there…or was it other?