Here is a working link: <a href="https://abcnews.go.com/Politics/pentagon-declassifies-navy-videos-purportedly-show-ufos/story?id=70364183" rel="nofollow">https://abcnews.go.com/Politics/pentagon-declassifies-navy-v...</a>
I wonder if these aren't intended leaks to demonstrate secret weapons capability to keep other countries in check. Though I don't know what kind of weapons would behave like this.