Russian warplanes engaged UFOs, "chased them and even shot at them" at least 45 times by 1993, according to investigative reporter George Knapp.
That's just one snippet of information revealed in letters written by Knapp and investigative journalist Jeremy Corbell to the House's Oversight Committee before Wednesday's UFO hearing.
Both letters, which were first obtained by Fox News Digital and published in their entirety below, were entered into the Congressional record.
"Since 1969, the position of our military has been that UFOs pose no threat to national security and are not worthy of further study," Knapp wrote in his letter. "This dismissive attitude is directly at odds with what was revealed in documents, reports and internal memos."
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