may be mostly ground traffic but 6 of them took off together from hill air force base then all shut off their transponders
apparently just a photographer.
https://x.com/AndrewPiskadlo/status/1965950555806937231
https://x.com/JeremyClarkson/status/1965887569482433022
70min livestream of the event.
https://x.com/lifeisdriving/status/1965962255209836810