Sounds like a swarm of common drones, probably the military testing the military.
Orbs only. No props or jets.
That’s what I was thinking, too. Drones….
“Sounds like a swarm of common drones, probably the military testing the military”
Common drones? Then why did they appear and disappear seemingly at will, apparently materializing out of nothing, and the military was unable to pin down a launch or recovery point (other than the “mother ship” which was similarly ephemeral) using every spotting technology available?