a collection of heavily redacted FBI files concerning investigations into 1947 sightings of unidentified flying objects, often referred to as "flying saucers" or "flying disks." The files include witness testimonies describing the objects' appearance and movements, along with investigative efforts to verify the accounts and explore potential explanations. Several investigations attempted to track down and identify witnesses, often with inconclusive results. The documents also reveal internal FBI discussions and communications regarding the investigations and their possible connection to military projects. A coded message from a supposed "Radio Ham" is included, further adding to the intrigue surrounding the events.