Steven Greer claims that advanced vehicles capable of defying gravity and conventional propulsion have been in development since the mid-20th century.

Authors

• Person: Not available Organization: Latest UFO Sightings
  Dr. Steven Greer: Unveiling the Mysteries of Aliens, UFOs, and ...

Sources

• Dr. Steven Greer: Unveiling the Mysteries of Aliens, UFOs, and ... www.latest-ufo-sightings.net Latest UFO Sightings via serper

Referenced by nodes (1)

• Steven Greer entity