Documents / Report
This declassified U.S. Air Force compilation of unidentified flying object incidents 101 to 172 contains check-list reports from 1948 and 1945. Incident 101 covers the 18 February 1948 sky explosion over Norcatur, Kansas, with letters from Norman G. Markham suggesting a lunar spacecraft, Dr. Lincoln LaPaz's reply judging it a genuine meteorite fall, and witness statements. The final incident, 172, records George F. Gorman's 27 minute F-51 pursuit of a white light over Fargo on 1 October 1948, corroborated by tower controllers and Dr. Cannon.
From the source:Release of 2026-06-12 Includes a "Check-List - Unidentified Flying Objects" that contains details about the incident. Many summaries also include witness lists or statements and other narrative reports or descriptions.
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS Inoidont # 1111 3331 1. Date 30 June 1948 2. Time 11:25 A.M., to 1:27 PM and shortly thereafter 3. Location Heola, South Dakota 4. Namo of observer Norman Pfutzenreuter 5. Occupation of observer Chemical Engineer - Amateur Astronomer 6. Address of observer Hecla, South Dakota 7. Place of observation Between Watertown, S. D., & Webster, S. D. 8. Number of objects 1 9. Distance of object from observer N/S 10. Timo in sight Slightly over two hours 11. Altitudo 150 miles (?) 12. Spcod Stationary 13. Diroction of flight Stationary 14. Tactics Remained in one/position then disintegrated 15. Sound None 16. Size N/S 17. Color Like polished aluminum 18. Shapo Changing 19. Odor dotoctod None 20. Apparont construction Seemed to be a cluster of parts 21. Exhaust trails Partioles of disintegrating mass left very faint trails of vapor 22. Woathor conditions Brilliantly clear (CAVU) - Wind velocity 3 MPH 23. Effect on clouds No clouds 24. Sketches or photographs Map showing locations of sightings 25. Manner of disappearance Disintegrated into smaller pieces 26. Romarks: Object appeared as cluster of parts which remained fairly stationary and constant for some two hours when it underwent a rather slow change in shape. A large chunk fell off. Within the next 2-1/2 minutes the entire spot started to very slowly disintegrate. Three larger parts moved
Report, from the pursue collection. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 210 pages are in the text index: search them above, or from the library's search.