This comment on ArsTechnica on the same subject links to some videos which have nice explanations for the videos: https://arstechnica.com/science/2020/04/navy-r

This comment on ArsTechnica on the same subject links to some videos which have nice explanations for the videos: https://arstechnica.com/science/2020/04/navy-releases-three-videos-that-showcase-unidentified-objects/?comments=1&post=38845980 https://arstechnica.com/science/2020/04/navy-releases-three-... Basically lens flare, balloon, and a plane.