The US has published transcripts, video clips and audio recordings about unidentified flying objects, also called unidentified anomalous phenomena.

The Pentagon released a trove of images and documents on its website, saying the files depict what it calls “unidentified anomalous phenomena.”

More documents on "unidentified anomalous phenomena” will be released on a rolling basis, the Department of Defense said Friday.

The Defense Department plans to share more information on a rolling basis