AAS: American Astronomical Society
AATIP: Advanced Aviation Threat Identification Program
AAV: Anomalous Aerial Vehicle
AAWSAP: Advanced Aerospace Weapon System Application Program. Previous name of AATIP.
AIAA: American Institute of Aeronautics and Astronautics
APRO: Aerial Phenomena Research Organization. Was a UFO research group (1952-1988). Had a large staff of consulting Ph.D. scientists, such as Dr. James E. McDonald and Dr. James Harder.
Blue Book: third study of UFO's conducted by the US Air Force.
Brookings Report: this 190-page report was the result of a $96,000 one-year study conducted by the Brookings Institution for NASA in 1960. The report stated that public realization that intelligent beings live on other planets could bring about profound changes, or even the collapse of our civilization.
CAPRO: Canadian Aerial Phenomena Research Organization. Was a UFO research group.
CE: Close Encounter. This terminology and the system of classification behind it were first suggested by UFO researcher Allen Hynek. Became well known after being referenced in a 1977 film, Close Encounters of the Third Kind. Hynek himself makes a cameo appearance near the end of the film.
CE1: CE of the first kind. Visual sighting of an unidentified flying object, seemingly less than 500 feet away, that shows considerable detail.
CE2: CE of the second kind, event with a physical effect, such as: interference in the functioning of a vehicle or electronic device; animals reacting; physiological effect such as paralysis or discomfort; or impressions in the ground, scorched or otherwise affected vegetation; or a chemical trace.
CE3: CE of the third kind. UFO encounter in which a creature is present. This includes humanoids, robots, and humans who seem to be occupants or pilots of a UFO.
CEFAA: Comite de Estudios de Fenomenos Aereos Anomalos. The Chilean CEFAA is one of the world leaders in official and open investigations of UFO's.
CNES: Centre National d'Etudes Spatiales (France)
CSETI: Center for the Study of Extraterrestrial Intelligence
Debunker: a person or organization who attempts to expose or discredit claims believed to be false or exaggerated. Read more...
DIA: Defense Intelligence Agency
Disclosure: some governments reveal what they know about the UFO phenomenon to the general population.
Drake Equation: gives an estimate of the number of communicating societies in the Galaxy.
EBE: Extraterrestrial Biological Entity
ETH: Extra Terrestrial Hypothesis
FAA: Federal Aviation Administration. Previous name: CAA (Civil Aeronautics Administration). The FAA ignores UFO reports.
Flap: also "wave", many UFO sightings over a relatively short period of time.
FOIA: Freedom of Information Act
Foo Fighters were first seen in 1943 and reported by army pilots as flying fire balls near their planes.
FTD: Foreign Technology Division, part of the US Air Force. Was renamed to "National Air and Space Intelligence Center" (NASIC) in 2003.
GEPAN: Groupe d'Etude des Phenomenes Aerospatiaux Non-identifies. Old name for GEIPAN (1977-1988).
GEIPAN: Groupe d'Etudes et d'Informations sur les Phenomenes Aerospatiaux Non-identifies. Previous name: SEPRA (1988-2005). Part of the French CNES. In March 2007, GEIPAN started to make its archives available online.
Ghost Rockets: rocket like objects, just after Worl War II seen by people from Northern Europe.
Grudge: second study of UFO's conducted by the US Air Force.
IFO: Identified Flying Object
MoD: Ministry of Defence
MUFON: Mutual UFO Network
NASIC: National Air and Space Intelligence Center (USA)
NIDS: National Institute for Discovery Science (USA)
NSA: National Security Agency (USA)
NOFOURS: Northern Ontario UFO Research and Study
NORAD: North American Air Defense Command
NUFORC: National Ufo Reporting Center (USA)
OVNI: UFO (Spanish: Objecto Volador No Identificado, or similar Italian, French, or Portuguese acronym)
Project Saucer: US Air Force project for collection, investigation and interpretation of UFO data. Also called Project Sign. Ran from January 22, 1948 to early 1949.
RAAF: Roswell Army Air Field
RAF: Royal Air Force (UK)
SCU: Scientific Coalition for Ufology SEPRA: Service d'Expertise des Phenomenes de Rentrees Atmospheriques. Old name for GEIPAN (1988-2005).
SETI: Search for Extra Terrestrial Intelligence
Sign: first study of UFO's conducted by the US Air Force.
SOBEPS: Société Belge d'Etude des Phénomènes Spatiaux (Belgian society for the study of space phenomena). It was an UFO investigation group, famed for its investigation of the black triangle incidents in Belgium, known as the Belgian Wave.
UAP: Unidentified Aerial Phenomenon (USAF term for UFO)
UAS: Unusual Aerial Sighting
UFO: Unidentified Flying Object
UFO Research Coalition: started in 1994 as an umbrella organization under which three major American UFO associations could jointly conduct research projects: CUFOS, FUFOR, MUFON.
USAF: United States Air Force
USO: Unidentified Submerged Object
Weather blip: radar return caused by weather