Documents / Official release
This U.S. Department of War file collects Project Sign era checklists and incident summary sheets for incidents 101 to 172. The largest item is the 18 February 1948 explosion over Norcatur, Kansas. For it the file gathers witness statements, speculative letters from Norman G. Markham, and Dr. Lincoln LaPaz's view that it was a genuine meteorite fall with curious aspects. Other entries cover B-29 crews, a two-decked wingless object over the Netherlands, a Turkish rocket report, a Moscow sighting, and George Gorman's 1 October 1948 Fargo encounter.
From the source:Release of 2026-05-08 Incident: N/A, N/A. NARA Record Group 38, catalogue id 143685. Each of these incident summaries 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.
“Nevers”6 pages
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS 1. Date 20 June 1948 2. Time 2230 3. Location Belleville, Illinois 4. Name of observer Lt Col Wm T. Hull 5. Occupation of observer Pilot, Supervisor of Flying Trng Scott AF Base 6. Address of observer Scott AF Base, Belleville, Illinois 7. Place of observation (?) 8. Number of objects 1 9. Distance of object from observer N/S 10. Time in sight N/S 11. Altitude Undetermined but below 6,000 ft 12. Speed Approx 500 MPH 13. Direction of flight 295° S of Base then 340° upon reaching south end of Scott AF Base 14. Tactics Zigzag course 15. Sound None 16. Size Six or eight inches in diameter 17. Color White light 18. Shape Approx round 19. Odor detected N/S 20. Apparent construction N/S 21. Exhaust trails None 22. Weather conditions Complete overcast at 6,000 ft 23. Effect on clouds N/S 24. Sketches or photographs 25. Manner of disappearance N/S None N/S RESTRICTED 26. Remarks 27. Appearance: N/S No aircraft flying in the vicinity of Scott AF Base at the time light was sighted
Official release, 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. 178 pages are in the text index: search them above, or from the library's search.