In August 1948, Project Sign investigators produced a top-secret intelligence estimate regarding unidentified flying objects, which Air Force Chief of Staff Hoyt Vandenberg subsequently ordered to be destroyed.

Authors

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

Sources

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

Referenced by nodes (4)

• unidentified anomalous phenomenon concept
• Project Sign concept
• Project Sign event
• Hoyt S. Vandenberg entity