Reddit/UFOs: Anyone know where the original footage for the two black triangles is shown in the nbc news video at 6m55s?

Keep'emPeeled. Click link below please?

https://www.reddit.com/r/UFOs/comments/zhors2/anyone_know_where_the_original_footage_for_the/?utm_source=share&utm_medium=ios_app&utm_name=iossmf

The only thing new? Is the History U haven't been told!