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
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS Incidont # 112b 1. Date 8 April 1948 2. Time 1430 3. Location Delaware, Ohio 4. Name of observer Mrs. James B. Stephenson 5. Occupation of observer Housewife 6. Address of observer 93 North Franklin Street, Delaware, Ohio 7. Place of observation From the ground 8. Number of objects One 9. Distance of object from observer N/S 10. Timo in sight N/S 11. Altitude N/S 12. Speed Slow 13. Diroction of flight Southwesterly 14. Tactics None 15. Sound None 16. Size Very large - about the size of a full moon in height but much smaller in width 17. Color Very white 18. Shape Cylindrical, with vapor around the top 19. Odor dottoed N/S 20. Apparent construction N/S 21. Exhaust trails None 22. Weather conditions Clear, no clouds around object 23. Effect on clouds N/S 24. Sketches or photographs None 25. Manner of disappearance N/S 26. Remarks: At 1430 Mrs. J. B. Stephenson's attention was attracted from her window by an object of unusual shape in the sky. Upon going outside
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.