Colonel Karl Nell was speaking at the Salt Conference in New York about non-human intelligence (NHI) and UFOs.
On April 12, 2021, the Pentagon confirmed the authenticity of pictures and videos gathered by the UAP Task Force, showing "pyramid-shaped objects" hovering above the USS Russell in 2019.
"So non-human intelligence exists, non-human intelligence has been interacting with humanity.
"This is not new and has been going. Unelected people in Government are aware,” Colonel Nell said.
The high level military officer was asked how confident he was about this.
"There is zero doubt,” Mr Nell replied.
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