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 9 April 1948 Incident # 113 2. Time 1510 1506 3. Location Montgomery, Alabama 4. Name of observer Robert B. Hughes, Lt. Colonel, USAF 5. Occupation of observer Pilot 6. Address of observer Tactics Div., Air Tactical School, Tyndall AF Base 7. Place of observation From the air 8. Number of objects One 9. Distance of object from observer N/S 10. Time in sight Five seconds 11. Altitude Approximately 16000 feet Speod In excess of the viewer's 310 mph air speed 13. Direction of flight Northwest 14. Tactics N/S 15. Sound None 16. Size Top part eight feet diameter 17. Color Silver 18. Shape Had the appearance of a parachute carrying a large canister or 19. Odor detected N/S 20. Apparent construction N/S Exhaust trails None 22. Woathor conditions Clear, visibility and ceiling unlimited Effect on cloudsN/S 24. Sketches or photographs - Sketch (trip) Manner of disappearance N/S 26. Romarks Lt. Col. Robert B. Hughes first sighted the object before completing an 180 left turn over the town of Montgomery, Alabama.
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.