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
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS
1. Date 30 April 1948
Incident # 126
2. Time 1015
3. Location Anacostia, Naval Air Station, 38°52'N, 77°00'W
4. Name of observer Marcus L.Lowe
5. Occupation of observer Lt Commander, US Navy
6. Address of observer N/S
7. Place of observation air
8. Number of objects One
9. Distance of object from observer One mile
10. Time in sight N/S
11. Altitude 4500 feet
12. Spood 100 m.p.h.
13. Direction of flight $ 3 6 0^{\circ} \mathrm{N} $
14. Tactics N/S
15. Sound N/S
16. Size 25-40 ft diameter
17. Color Yellow (light colored)
18. Shape Sphere
19. Odor dotocted N/S
20. Apparent construction N/S
21. Exhaust trails N/S
22. Weather conditions N/S
23. Effect on clouds N/S
24. Skotches or photographs None
RESTRICTED
25. Mannor of disappearance N/S
26. Romarks: The object appeared to the pilot to be a yellow (or light colored) balloon, and attracted attention principally because 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.