What is the hardest to debunk evidence the US govt has released so far?

I'm sorry if this is a duplicate post, but I think about what's been produced by the government and I've also read up on a few different debunks of the data released so far and from what I can tell; we have yet to see any ne info that we can hold up to a dominan expert and have them not suggest a mundane explanation. https://www.skeptic.com/article/ufo-files-reveal-the-same-old-material/ https://www.scientificamerican.com/article/pentagon-releases-trove-of-new-ufo-files-but-skeptics-arent-imp...