The United States Air Force coined the term 'unidentified flying object' (UFO) because investigations into 'flying saucers' revealed too broad a range of reported shapes to classify them all as saucers or discs.

Authors

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

Sources

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

Referenced by nodes (2)

• United States Department of the Air Force entity
• flying saucer concept