Steven M. Greer claims that alien craft have been observed in Earth's airspace, capable of reaching extreme velocities and performing maneuvers at high g-forces without visible means of lift or propulsion.

Authors

• Person: Not available Organization: The New Yorker
  How the Pentagon Started Taking U.F.O.s Seriously | The New Yorker

Sources

• How the Pentagon Started Taking U.F.O.s Seriously | The New Yorker www.newyorker.com The New Yorker via serper

Referenced by nodes (3)

• Steven Greer entity
• Earth location
• alien craft concept