CLASSIC: Why is the Navy worried about releasing the secret UFO Files?

After years of rumors, recent releases have confirmed the US government knew much more about UFOs than they'd originally let on. And, despite the recent waves of revelations and classifications, Uncle Sam is still refusing to release everything. When pressed on the issue, the government stated that disclosing certain files would pose "an extraordinarily grave threat to national security" -- so what exactly is on these files? Tune in to learn more.

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