Hundreds of UFO sightings, strange aircraft reportedly travelling at 27,000mph and crashes where there were no survivors are some of the eerie tales from the FBI archives.
Documents from the Federal Bureau of Investigation have been uncovered to detail reports of mysterious craft and a surge of sightings dating back to the 1940s.
It comes after a bombshell report by the Pentagon in June saw the US admit for the first time there were unidentified objects they couldn't explain.
The strange sightings have been dating back decades, and the FBI have led their own investigations on the bizarre objects.
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