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.
Read from the scan by GLM-OCR; expect the odd misread word.
## . CHECK-LIST - UNIDENTIFIED FLYING OBJECTS 1. Date 19 Apr 48 Incident #115 2. Time 1615 3. Location Over Greenville AF Base, Greenville,S. C. 4. Name of observer s 1st Lt Francis W. Hennin, Jr. & 1st Lt Robert G. Loomis, USAF 5. Occupation of observer Both attached to Liaison sq. Greenville 6. Address of observors Greenville AF Base, Greenville, F. C. 7. Place of observation Greenville AF Base 8. Number of objects 3-1 at first , 2 later 9. Distance of object from observer 15,000 to 20,000 ft overhead 10. Timo in sight 2 minutes 11. Altitude 15,000 to 20000 ft 12. Spood Undetermined. Stationary, then rapidly accelerating and 13. Direction of flight North 14. Tactics Hovering then acceleration and climbing Observed trail formation 15. Sound none audible (?) - states: Witnesses were attracted by sound of fighter aircraft in vicinity. 16. Size undetermined (no mention made of these) 17. Color white 18. Shape elliptical 19. Odor detected N/S 20. Apparent construction N/S 21. Exhaust trails No exhaust or condensation trail 22. Weather conditions CAVU 23. Effect on clouds N/S 24. Sketches or photographs 2 25. Mannor of disappearance in distance 26. Remarks: (over)
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.