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This is Project Blue Book Special Report No. 14, "Analysis of Reports of Unidentified Aerial Objects," Project No. 10073, dated 5 May 1955. The study reduced about 4,000 sighting reports received by the U.S. Air Force between June 1947 and December 1952 to IBM punched cards and analyzed them statistically, including chi square tests comparing knowns with unknowns. It concludes that the reports very probably do not represent technological developments beyond present scientific knowledge, and it notes that no case produced physical evidence.
“R.G.”3 pages
20. Draw a picture that will show the motion that the object or objects made. Place an "A" ai the beginning of the path, a "B" at the end of the path, and show any changes in direction during the course. 21. IF POSSIBLE, try to guess or estimate what the real size of the object was in its longest dimension. _ _ _ f e e t . 22. How large did the object or objects appear as compared with one of the following objects held in the hand and at about arm's length? (Circle One): g. Silver dollar h. Baseball i . Grapefruit j . Basketball k. Other a. Head of a pin b. Pea c. Dime d. Nickel e. Quarter f. Half dollar 22.1 (Circle One of the following to indicate how certain you are of your answer to Question 22. a. Certain c. Not very sure b. Fairly certain d. Uncertain 23. How did the object or objects disappear from view? : 2 4 . In order that you can give as clear a picture as possible of what you saw, we would like for you to imagine that you could construct the object that you saw. Of what type material would you make it? How large would it be, and what shape would it have? Describe in your own words a common object or objects which when placed up in the sky would give the same appearance as the object which you saw. 282
Report, cited by the archive. The PDF is mirrored here; the original link is under it. 309 pages are in the text index: search them above, or from the library's search.