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.
“Hill”8 pages
Read from the scan by GLM-OCR; expect the odd misread word.
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS 1. Date 28 July 1948 Incident # 148 2. Time 0400 3. Location Springfield, Ohio 4. Name of observer Mrs. Rose Henry 5. Occupation of observer Housewife 6. Address of observer 826 Dibert Avenue, Springfield, Ohio 7. Place of observation 826 Dibert Ave., Springfield, Ohio 8. Number of objects 1 9. Distance of object from observer N/S 10. Timo in sight 1st time: 5 minutes; 2d time: 15 minutes 11. Altitude N/S 12. Speed Remained nearly stationary 13. Direction of flight N/S 14. Tactics Hovering 15. Sound Witness thought she heard sound of plane before she sighted object 16. Size About the size of a basketball 17. Color Intense yellow 18. Shape Round 19. Odor detected N/S 20. Apparent construction N/S 21. Exhaust trails N/S 22. Weather conditions N/S 23. Effect on clouds N/S 24. Skotches or photographs None 25. Manner of disappearance Faded away 26. Remarks: See attached
Official release, from the pursue collection. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 178 pages are in the text index: search them above, or from the library's search.