UFO Roswell Incident | Undercover History Updates

On July 8th, 1947 the US army claimed to have found a 'flying disk'. But within hours they retracted the statement. Sixty years later, and the debate is still raging. Did the military recover dead aliens and their spaceship? If true, the US government has kept one of the greatest secrets in...

44 min - Archaeology & Mysteries - National Geographic

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