On Tuesday, June 24, 1947, American Kenneth Arnold, 32 years old, took off at the controls of his single-engined. Member of the Search and Rescue Mercy Flyer, it is in search of a military plane disappeared six months ago near mount Rainier, in the State of Washington. To 15 hours, his attention is drawn by a flash of light on the horizon. Soon, he distinguishes nine white objects, rounded in front and triangular in the rear, flying at an incredible speed. “I found it very strange not to be able to distinguish their own tail, but I assumed that it was some sort of gear to réacti…

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