Documents / Official release
This U.S. Department of War file, undated, holds checklist summaries of incidents 1 to 100 of unidentified flying objects reported in 1947 and early 1948. The first entries cover sightings of silver discs and spheres by officers and staff at Muroc Army Air Field on 7 and 8 July 1947. Next come the Portland, Oregon police reports of 4 July, a United Air Lines crew near Emmett, Idaho, and a set of 30 December flame and explosion reports from California and Nevada. The file ends with two Finnish sightings.
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.
“Gray”4 pages
Read from the scan by GLM-OCR; expect the odd misread word.
## CONFIDENTIAL
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS
1. Date 8 July 1947
Incident # 1
2. Time 0930
3. Location Muroc Air Field, Muroc, Calif
4. Name of observer 1st Lt Joseph C. McHenry
5. Occupation of observer Billleting Officer in Charge, Muroc AAFld.
6. Address of observer Muroc, AAF1d
7. Place of observation ground - Muroc, AAF1d
8. Number of objects 2 at first - 1 sometime later
9. Distance of object from observer N/S
10. Time in sight N/S
11. Altitude Approx 8000 ft
12. Speed 300 MPH
13. Direction of flight $ 3 2 0^{\circ} $ due north heading
14. Tactics Performed a tight circle
15. Sound N/S
16. Size N/S
17. Color Silver
18. Shapo disc-like or spherical
19. Odor detected N/S
20. Apparent construction N/S - Apparently metallic
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 in distance
26. Romarks: At approximately 09:30 Lt McHenry left Post Exchange 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. 209 pages are in the text index: search them above, or from the library's search.