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.
“Anderson”4 pages
Read from the scan by GLM-OCR; expect the odd misread word.
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS
Incident # 52A
1. Date 29 July 47
2. Time After 1200
3. Location Hamilton Fld., California
4. Name of observer Ward L. Stewart
5. Occupation of observer 1st Lt., Air Res. (Former B-29 pilot)
6. Address of observer Hearst Mining Bldg., Univ. ov Calif.
7. Place of observation 38° 03' N 122° 31' W
8. Number of objects 2
9. Distance of object from observer N/S
10. Time in sight 15 seconds
11. Altitude 6,000 ft
12. Spood Approx 750 MPH
13. Direction of flight $ 1 2 0^{\circ} $
14. Tactics Similar to fighter a/c when accompanying heavier ships
15. Sound none
16. Size N/S
17. Color milk white
18. Shape N/S
19. Odor detected N/S
20. Apparent construction N/S
21. Exhaust trails None
22. Weather conditions N/S
23. Effect on clouds N/S
24. Sketches or photographs None
25. Manner of disappearance flew out of sight
26. Romarks: (over)
CONFIDENTIAL 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.