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.
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS
1. Date 8 May 1948
Incident # 128
2. Time Night
3. Location (Hobson) Middleport, Ohio, $ 3 0^{\circ} 0 0^{\prime} $ N, $ 8 2^{\circ} 0 3^{\prime} $ W
4. Name of observer Ben Rupe
5. Occupation of observer New York Central System Car Inspector
6. Address of observer N/S
7. Place of observation Ground
8. Number of objects N/S
9. Distance of object from observer N/S
10. Time in sight N/S
11. Altitude 6-8 miles
12. Speed Great amount of speed
13. Direction of flight $ 9 0^{\circ} $
14. Tactics N/S
15. Sound N/S
16. Size 9" diameter from ground level
17. Color Phosphorescent
18. Shape Round
19. Odor detected N/S
20. Apparent construction N/S
21. Exhaust trails Phosphorescent trail in sky
22. Weather conditions N/S
23. Effect on clouds N/S
Sketches or photographs None
Manner of disappearance N/S
26. Remarks: The above covers sighting of same objects by Earl Roush, New York Central System Car Inspector; Bob White, New York Central 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.