U1 Ufo Category (disambiguation)

U1 Ufo Category may refer to:

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  UFO sighting classification “U1” (Graded UFO/Lois/phenomenon scale used by some UFO reporting schemes)

  A “U1” label used in certain UFO reporting/classification systems to categorize sighting type/credibility (varies by organization).

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  “U1” as a code for UFO-related categories in a specific UFO database or app

  A “U1” category code used by a particular UFO database, forum, or mobile app to group reports (meaning depends on the platform’s taxonomy).