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 # 1. Date 6 July 1947 2. Time 1:45 P.M. 3. Location 100 miles west of Kansas City, Missouri 4. Name of observer Maj Archie B. Browning 5. Occupation of observer Maj, Air Corps, pilot of B-25 6. Address of observer E/S 7. Place of observation air 8. Number of objects 1 9. Distance of object from observer 10 miles 10. Timo in sight I/s 11. Altitude 11,000 ft 12. Speed 210 MPH 13. Direction of flight Eastward 14. Tactics observed horizontal flight 15. Sound E/S 16. Sizo 30-50 ft in diameter 17. Color very bright and silvery colored 18. Shape round 19. Odor detected I/S 20. Apparent construction M/S 21. Exhaust trails I/S 22. Weather conditions CAVU 23. Effect on clouds N/S 24. Sketches or photographs N_no 25. Manner of disappearance n/xx Disappeared when pilot started to turn into it. 26. Remarks: (over)
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.