Research news
Bitesized UFOs #081: Discs Before Arnold, June 1947
Did another pilot see a flight of ten flying discs ten days before Kenneth Arnold's famous sighting on 24th June 1947? According to newspaper reports, the Air Force's Project Sign UFO investigation program and the witness himself, this happened. But the air force believed he had seen something much more mundane...
See more (external link) 
https://www.youtube.com/watch?v=mBWvjKS_6kY