Command Sergeant Major Robert Dean on UFO origins: "We have been visited by at least four different extraterrestrial civilizations" 🛸👽👀 "One looks so much like us that they could walk through the corridors of NATO headquarters and no one would know." With Cosmic Top Secret clearance at SHAPE, he read the classified NATO Assessment in the 1960s. His most powerful conclusion: "There is absolutely no threat to humanity." After seeing the document he admitted, "I was never the same again." A 2...