In 1947, a rash of sightings of unexplained flying objects (UFOs) swept America. Although the newly formed U.S. Air Force was the primary investigator of these sightings, the FBI received many reports and worked for a time with the Air Force to investigate these matters. This release details the FBI’s role in investigating such reports between 1947 and 1954.
Found at https://vault.fbi.gov/UFO These 16 PDFs range from 1947 to 1957 and contain 1,616 Pages Altogether. Here is where the FBI Released 1,616 Pages of UFO Files.
Here Are The PDFs 1 – 16: