In June 1948, Idaho pilot Kenneth Arnold reported seeing a string of nine shiny unidentified flying objects flying past Mount Rainier at speeds of 1,200 miles an hour. One week later, something crashed near Roswell, New Mexico (population 25,000). An experimental aircraft? A weather balloon? A secret military project? Or something else?

Two days later and Roswell has visitors. It is noon, July 3, 1948.

The Roswell Incident is part 1 of The Fermi Solution.