| 11. | Under some lighting conditions, lenticular clouds have been reported as unidentified flying objects.
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| 12. | -- 40 percent of young Americans believe in unidentified flying objects.
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| 13. | Since UFO stands for " Unidentified Flying Object ", that's precisely what you saw.
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| 14. | For all anybody knows, that mysterious third team could be an unidentified flying object.
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| 15. | For example, it is not necessary to pipe like this : unidentified flying object.
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| 16. | The pilot has observed an unidentified flying object performing impossible maneuvers at supersonic speeds.
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| 17. | White people call them unidentified flying objects ( UFOs ).
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| 18. | He also called for the serious scientific research of unidentified flying objects, or UFOs.
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| 19. | People called the airport to report an unidentified flying object.
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| 20. | A : There are several unofficial groups devoted to the study of unidentified flying objects.
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