Preliminary Assessment: Unidentified Aerial Phenomena

Preliminary Assessment: Unidentified Aerial Phenomena

Preliminary Assessment: Unidentified Aerial Phenomena is a United States federally mandated assessment, prepared and published by the Office of the Director of National Intelligence on June 25, 2021, summarizing information regarding unidentified aerial phenomenon (UAPs) which include unidentified flying objects (UFOs). The report was based on 144 reports of UAP sightings that were collected by the U.S. military between 2004 and 2021.