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 20-26 Feb 48 2. Time Usually around 2130 hours INCIDENT 133 3. Location N/S (Norway Denmark & Sweden) 4. Name of observer N/S 5. Occupation of observer N/S 6. Address of observer N/S 7. Place of observation N/S 8. Number of objects N/S 9. Distance of object from observer N/S 10. Time in sight N/S 11. Altitude From tree-top level to 20,000 f 12. Speed one to two miles per second 13. Direction of flight Come from direction of Pennemunde 14. Tactics N/S 15. Sound N/S 16. Size N/S 17. Color . (green tail) 18. Shape N/S 19. Odor detected N/S 20. Apparent construction N/S (xF1xx11) 21. Exhaust trails green 22. Weather conditions N/S 23. Effect on clouds N/S 24. Sketches or photographs None 25. Manner of disappearance N/S 26. Remarks The trend of these objects to appear at2130 hours might be significant.
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.