The declassified documents detail a catalogue of mysterious encounters with flying saucers and aliens.
Others mention meetings with shadowy figures or bizarre recordings of noises in space.
And if they’re to be believed, the accounts are more incredible than the supposed alien crash at Roswell.
He describes how he spotted two men in “shiny metallic clothing” – one of them with a glowing lamp on his body.
Next to them was a large object “like a huge frying pan” which – when Oskar’s daughter called out to him – they climbed into.
“The object rose to a horizontal position,” he said, “turned toward a neighbouring town, and then disappeared over the heights and forests.”
“When the object had disappeared, I went to the place where it had been.
“I found a circular opening in the ground and it was quite evident that it was freshly dug.”
The file notes how many others living in the same area later related to seeing a comet-like object at the time.
Both glided in “elegant curves” said an eyewitness, before coming to a stop mid-air and taking off in a zig-zag fashion.
Commander Pierre, who flew after them from an airfield in Elisabethville – today called Lubumbashi, sketched them.
And the airman – who is described as a “dependable officer” – predicted their speed to be approximately 900mph.
The journalist who saw it, Valentin Garcia, said: “The newspaper office was soon flooded with telephone calls from people who had seen the object.”
Further sightings from different witnesses the following month describe similar encounters over Algiers in Tunisia, and Meknes, Taourirt and Casblanca in Morocco.
He said: “If you go through old newspapers and UFO books, you will find numerous sensational sightings of landed saucers, little men, etc.
“And none of them have ever resulted in anything beyond the original account.”
“No evidence, no follow-up, in more than 60 years,” he added. “No clear photos have turned up, and no artifacts.”
Mr Sheaffer, author of Bad UFOs, added “We understand much more clearly than we did 60 years ago what is wrong with uncritically accepting human recollections as being accurate.”
But what do you think? Perhaps we’ll never know. Or perhaps the truth is out there.