Saw a video mentioning this. Text below from a couple online articles I found. Haven't heard anything further yet.
From fox news. With Pentagon UFO unit in the spotlight, report mentions 'off-world vehicles not made on this earth'
https://www.foxnews.com/science/pentagon-ufo-unit-spotlight-vehicles-earth
Another article source mentions...
An astrophysicist and former consultant to the Pentagon's UFO program recently disclosed to U.S. government officials that "off-world vehicles not made on this earth" had been retrieved, according to the New York Times.