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.
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS Incident # 1. Date 3 July 1947 2. Time 1830 Z 3. Location South Brooksville, Me. 4. Name of observer Mr. John F. Cole 5. Occupation of observer astronomer 6. Address of observer South Brooksville, Me. 7. Place of observation H/Sx Harborside. Maine - 8. Number of objects 10 9. Distance of object from observer I/S 10. Time in sight x/s 11. Altitude x/s Speed 600-1200 MPH 13. Direction of flight BW (true) 14. Tactics /s 15. Sound Loud roar 16. Size 50 to 100 feet wide 17. Color light-colored 18. Shapo only concrete evidence of form appeared on left tangent of the 19. Odor dotted group - two dark shaped forms: N/S 20. Apparent construction I/S Exhaust trails I/S Weather conditions I/S Effect on clouds E/S Sketches or photographs one Manner of disappearance /s (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.