Have you been following this news story at all? There are probably hundreds of video clips on social media depicting the same craft. So I'm not sure what the relevancy is of your story.
3 minutes and 7 seconds in this video is a good example of what these typically appear as.
But yes it's most likely a US military drone exercise or active operation (have seen conjecture about a search for something, testing drone capabilities in a noisy RF environment.
https://www.youtube.com/watch?v=OT9rrkYGAUU&list=RDNSOT9rrkY...
3 minutes and 7 seconds in this video is a good example of what these typically appear as.
But yes it's most likely a US military drone exercise or active operation (have seen conjecture about a search for something, testing drone capabilities in a noisy RF environment.