A private company holds some of Canada’s most compelling UFO data—and it has no interest in sharing it.

From air traffic control towers to radar installations, Nav Canada directs thousands of flights per day. That makes the company the first line of contact when professional pilots spot UFOs in Canadian airspace, like on the morning of Oct. 21, 2005, when Nav Canada staff “received reports from four aircraft flight crews of a shiny silver object over Toronto.”

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