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 Incident # 110 1. Date 23 March 1948 2. Time 0300-0500 3. Location Baltimore (Hamilton) Maryland 4. Name of observer Identity confidential 5. Occupation of observerActive in American Legion activities 6. Address of observer N/S 7. Place of observation N/S 8. Number of objects Undetermined 9. Distance of object from observer N/S 10. Time in sight Not sighted 11. Altitude N/S 12. Speed N/S 13. Direction of flight N/S 14. Tactics N/S 15. Sound Motor drone of foreign type aircraft 16. Size N/S 17. Color N/S 18. Shapo N/S 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. Sketches or photographs None 25. Manner of disappearance N/S 26. Romarks: See Supplement
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.