Extraterrestrial Biological Entity (EBE) is a term that came into use among various UFO communities in the United States, since 1984,[1] namely APRO and MUFON. It began with the circulation of the Operation Majestic 12 (1952) documents.


  1. Operation Majestic 12 (1952), appears only one time in a statement on page 4: “Dr Bronk's team has suggested the term "Extra-terrestrial Biological Entities", or "EBEs", be adopted as the standard term of reference...”
  2. SOM1-01 (1954)[2]
  3. IPU Assessment (1960)
  4. Counterintelligence Assessment (1989)


  1. Atlas Obscura, The FBI Debunked These UFO Documents in the Most Childish Way Possible, by Eric Grundhauser, AUGUST 26, 2016
  2. Exopaedia, EBE
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