U1 Ufo Category (disambiguation)

U1 Ufo Category may refer to:

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  UAP/UFO classification (U1–U6) used by MUFON

  A MUFON-style UFO/UAP evidence rating where “U1” represents a particular level/category of reported sightings.

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  NARCAP/UFO evidence categorization (U1-style) used by civilian UFO investigation groups

  An “U1” label used by some civilian UFO/UAP investigation organizations as part of their own evidence/sighting categorization schemes.