Department of the Air Force Committee to Review Project Bluebook, 1966-1967
DOW-UAP-D092 · page 61 of 85
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d. Objects in the Groat Falls case wore believed to have probably been aircraft, ;;1.nd the bri~ht lights nuch roflections. o. There was no valid reason for tho attempt to relate the objects in the Tremonton sighting to those in tho Great Fa1J.s sight ing. This may have been duo to misundersta.ndine in their directive. The objects in the Groat Falls sighting are strongly suspected of being rofloctions of aircraft known to have been :in the area. f. The intensity change in the Tremonton lights was too great for acceptance of the P.I.L. hypothesis that tho apparent moti.on and changing intensity of tho lights indicated oxtreme1y high speed in small orbital paths. g.. Apparent lack of guidance of investigators by those familiar with U"F.O. reports and explanations. h. Analysis of light intensity of objects made from duplicate rather than original film. The origin:11 film was noted to . have a much lighter background (affecting relative brightness of object) and the objects appeared much less bright. ' i. Method of obtaining data of light intensity appeared faulty because of unsuitability of equipment abd questionable I, assumptions in making averages of readings. j. No data had been obtained on the sensitivity of Kodachrome fi1m to light of various intensities using the same camera type at the same lens openings. - lJ - NW 90306" Docld:34714841 Page 61