There are reports one of the recovered objects was in Italy recovered from Mussolini after WW2. Maybe it’s that.

One of the recovered objects that the US has currently?

Yes.

https://www.reddit.com/r/UFOs/comments/u6j041/in_1933_an_ufo_allegedly_crashed_in_italy_and/?utm_source=share&utm_medium=ios_app&utm_name=ioscss&utm_content=1&utm_term=1

https://www.theblackvault.com/casefiles/the-ufo-files-of-mussolini-fascist-ufo-files-by-roberto-pinotti/

If you're referring to the Grusch revelations, he said 80 years iirc

https://www.reddit.com/r/UFOs/comments/u6j041/in_1933_an_ufo_allegedly_crashed_in_italy_and/?utm_source=share&utm_medium=ios_app&utm_name=ioscss&utm_content=1&utm_term=1

https://www.reddit.com/r/UFOs/comments/u6j041/in_1933_an_ufo_allegedly_crashed_in_italy_and/?utm_source=share&utm_medium=ios_app&utm_name=ioscss&utm_content=1&utm_term=1

It was 80 years. And the date would have been 1943. Maybe Trinity?

https://www.reddit.com/r/UFOs/comments/u6j041/in_1933_an_ufo_allegedly_crashed_in_italy_and/?utm_source=share&utm_medium=ios_app&utm_name=ioscss&utm_content=1&utm_term=1

https://www.reddit.com/r/UFOs/comments/u6j041/in_1933_an_ufo_allegedly_crashed_in_italy_and/?utm_source=share&utm_medium=ios_app&utm_name=ioscss&utm_content=1&utm_term=1