A more dismissive follow-up that concluded sightings were primarily misidentifications, mass hysteria, or hoaxes.

After decades of official silence, recent declassifications confirmed that the government never stopped looking: Unidentified Flying Objects and Air Force Project Blue Book

The first official study, which initially considered extraterrestrial origins before being scaled back.

The most famous project, headquartered at Wright-Patterson Air Force Base . It investigated 12,618 sightings, of which 701 remain "unidentified". The project was terminated after the Condon Report concluded that further study was unlikely to yield scientific breakthroughs. 2. Modern Pentagon Programs (2007–Present)