Project Blue Book determined that 95% of reported UFO sightings were attributable to common phenomena such as uncommon clouds, weather balloons, atmospheric temperature inversions, Venus, or classified military technology like the U-2 spy plane and the SR-71 Blackbird.

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 (5)

• Project Blue Book event
• UFO sightings concept
• Project Blue Book entity
• U-2 reconnaissance aircraft concept
• Venus location