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Of these, 22% were classified as unidentified (“true UFOs”). 14 (referred to further below as BBSR) was a massive statistical study the Battelle Memorial Institute did for the USAF of 3,200 UFO cases between 19. Aerodynamic (for example, the Katzmayer effect, defined as "the reduction in drag of an airfoil when an air stream is oscillating"). Propeller reciprocating engine combination jetĤ. Project Sign lists that "in order to investigate the credibility of their existence the following factors must be considered in any technical analysis": ġ. The following are some major studies undertaken during the past 70+ years that reported on identification of UFOs: 2.3 Balloons, aircraft, satellites and other man-made objects.2 Common causes of misidentification and UFOs.1.1.3 Comparison of IFOs to UFOs by characteristics.1.1.1 Breakdown by category of IFO and case quality.1.1 Project Blue Book Special Report No.UFOs that can be explained are sometimes termed "IFOs" or Identified Flying Objects. When Project Blue Book closed down in 1970, only 6% of all cases were classified as being truly unidentified. However, in early 1953, right after the CIA's Robertson Panel, percentages of unexplained sightings dropped precipitously, usually being only a few percent in any given year. Air Force attempts to explain UFO sightings, unexplained sightings routinely numbered over one in five reports. Air Force's Project Blue Book, have been identified as being due to honest misidentifications of natural phenomena, aircraft, or other prosaic explanations. Nevertheless, most officially investigated UFO sightings, such as from the U.S. Observations and subsequent reporting are often made by those untrained in astronomy, atmospheric phenomena, aeronautics, physics, and perception. Identifying unidentified flying objects is a difficult task due to the normally poor quality of the evidence provided by those who report sighting the unknown object. JSTOR ( April 2020) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed.įind sources: "Identification studies of UFOs" – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.