Documents / Official release
This U.S. Department of War file collects Project Sign era checklists and incident summary sheets for incidents 101 to 172. The largest item is the 18 February 1948 explosion over Norcatur, Kansas. For it the file gathers witness statements, speculative letters from Norman G. Markham, and Dr. Lincoln LaPaz's view that it was a genuine meteorite fall with curious aspects. Other entries cover B-29 crews, a two-decked wingless object over the Netherlands, a Turkish rocket report, a Moscow sighting, and George Gorman's 1 October 1948 Fargo encounter.
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.
“Hill”8 pages
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS 1. Date 24 July 48 Incident # 144 2. Time 0245 3. Location 20 miles south of Montgomery, Ala 4. Name of observer Pilot Clarence Shipe Chiles & Co-Pilot John B. Whitted & Mr. McKelvie, (Occupation - N/S) 5. Occupation of observer Pilot and Co-pilot, EAL 6. Address of observer Atlanta Office of EAL 7. Place of observation Air - 20 miles south of Montgomery, Ala 8. Number of objects 1 9. Distance of object from observer s N/S 10. Time in sight 5 to 10 seconds . Altitude 5,000 ft . Speed 500 to 700 MPH (See Atlanta Constitution of 25 July 48) Direction of flight Southwest toward Mobile and New Orleans Tactics Pulled up sharply with tremendous burst of flame (Atlanta Constitution - 25 July 48) Sound none . Size 100 ft long and about twice the diameter of "B-29" Color N/S Shape cigar-shaped Odor detected N/S Apparent construction N/S Exhaust trails red-orange flame blue fluorescent glow running beneath the object Weather conditions Full moon, clear with broken cloud coverage of 4/10 Effect on clouds N/S - pulled up into one Sketches or photographs 2 Manner of disappearance Disappeared intoa cloud Remarks: See attached statements CONFIDENTIAL
Official release, from the pursue collection. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 178 pages are in the text index: search them above, or from the library's search.