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An airline pilot out walking his dogs observed three spheres in the sky that formed a triangle about 40 miles southeast of Tucson, according to witness testimony from the Mutual UFO Network (MUFON) database.
The three spheres "converged" at about 60,000 feet.
In a second case from September 23, a Washington witness describes something similar in the night sky.
This Washington witness recounts some interesting lights in the sky - lights flashing and then disapearing - and lights splitting into two lights. Then two lights "traveling in unison" appear about 100 to 150 feet in the sky and hundreds of feet apart. They are moving very slowly and no sound is heard. The neighborhood dogs begin barking and a low humming sound is heard. The witness then realizes "that the area between these lights was literally blocking out the stars as it moved between them and my perspective. It was huge! The shape appeared triangular, but my perspective and the pure blackness of the object against the black night sky made this difficult to be sure of. This shape travelled slowly across the sky for perhaps three minutes and then vanished, or at least became no longer visible to me."
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