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.
## CONFIDENTIAL CHECK-LIST - UNIDENTIFIED FLYING OBJECTS 1. Date 7 Jan 48 Incident # 48a 2. Time 1925 o'clock 3. Location Clinton County Air Field 4. Name of observer LeRoy Ziegler 5. Occupation of observer T/Sgt 6. Address of observer Clinton County AF, Wilmington, Ohio 7. Place of observation Clinton County AF Base 8. Number of objects 1 9. Distance of object from observer N/S 10. Time in sight Thirty-five minutes 11. Altitude high 12. Speed stationary for a while and then made rapid ascents and descents and then to SW with great speed 13. Direction of flight to SW 14. Tactics Vertical ascents and descents at great speed 15. Sound None 16. Size very large 17. Color Same as star 18. Shape circular - starlike - only larger 19. Odor detected N/S 20. Apparent construction N/S Exhaust trails faint exhaust trail when moving up and down or from side to side Weather conditions Cloudy Effect on clouds Object could be seen thru clouds Sketches or photographs None Manner of disappearance over the horizon at about 20:00 26. Remarks: (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.