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
Read from the scan by GLM-OCR; expect the odd misread word.
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS
1. Date 7 May 1948
Incident # 127
2. Time N/S
3. Location Lake Doiran, along the Yugoslav-Greek frontier
4. Name of observer N/S
7. Place of observation Ground
6. Address of observer N/S
5. Occupation of observer N/S
8. Number of objects One
9. Distance of object from observer N/S
10. Timo in sight N/S
11. Altitude 3000 feet
12. Spood N/S
13. Direction of flight $ 1 8 0^{\circ} $
14. Tactics N/S
15. Sound Like artillery shell (shrill whine)
16. Size N/S
17. Color N/S
18. Shapo Flying disc
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
RESTRICTED
Skotches or photographs None
Manner of disappearance N/S
26. Romarks: A press dispatch quoted residents of the Lake Doiran area along the Yugoslav-Greek frontier as saying they saw a "flying 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.