Private organizations dedicated to the study of unidentified flying objects have played an important role in the field since 1952, when the first such group was formed in the United States.

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)

• U.S. location
• unidentified anomalous phenomenon concept