On July 9, 1947, United States Army Air Forces (USAAF) intelligence, in cooperation with the FBI, began a formal investigation into selected UFO sightings that could not be immediately rationalized, such as the sighting reported by Kenneth Arnold.

Authors

• Person: Not available Organization: Wikipedia
  Unidentified flying object - Wikipedia

Sources

• Unidentified flying object - Wikipedia en.wikipedia.org Wikipedia via serper

Referenced by nodes (3)

• UFO sightings concept
• Kenneth Arnold entity
• Federal Bureau of Investigation entity