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.
Read from the scan by GLM-OCR; expect the odd misread word.
CHECK-LIST - UNIDENTIFIED FLYING OBJECTS Incident # 154 1. Date 2 Aug 4g 2. Time 1945 hours 3. Location Columbus, Ohio 4. Name of observer Charles Sounders 5. Occupation of observer Attorney 6. Address of observer 265-1/2 South High St 7. Place of observation Yard of 1337 Clifton Ave., Columbus, Ohio 8. Number of objects 1 9. Distance of object from observer N/S 10. Time in sight 10-15 minutes 11. Altitude 1,500 to 2000 ft Speed 15 MPH Direction of flight Moving south from the north Tactics Constant slow speed - Once it hesitated & thin trail of smoke issued from opposite direction of travel. Changed position assuming Sound None different shapes Size Judged to be about 20 to 30 ft in diameter Color N/S. Perimeter: constant grey-black. Center: transparent. Shape Changing. First: side-view: Parallelogram. Second: then reverted to original form Odor detected N/S Apparent construction N/S 21. Exhaust trails thin trail of smoke Weather conditions CAVU Effect on clouds No clouds Sketches or photographs 4 sketches Manner of disappearance N/S 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. 178 pages are in the text index: search them above, or from the library's search.