Plasma colors

Has anyone seen a UAP come out of a portal and then decend for a few moments before an amber plasma becomes observable in the night sky around it for about one to two seconds ? I have seen that a few times.

I have also seen ships with the usage of night vision goggles power up and radiate brightly before disappearing over a one to two second period as if they were disappearing into some sort of portal also.

With the exception of the plasma everything else was observable with night vision goggles.