Edward J. Ruppelt, the head of Project Blue Book, described a 1952 CE2 case involving a patch of charred grass roots as a classic example of a UFO incident.

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)

• Project Blue Book event
• Project Blue Book concept