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.
A huge multi-colored ball of fire trailing a dense cloud of smoke was sighted at approx 1500 hours MST 18 Feb 48, $ 3 9^{\circ} $ N-100 $ ^{\circ} $ W at approx 20,000 by two B-29 aircraft of the 28th Bombardment Group (VH). It was seen some 100 miles southeast of the B-29s. Size was estimated as huge altho impossible to determine accurately due to the distance. It was traveling at very high speed and heading southeast of Limon Colorado, at approx 20,000 ft.
Witnesses: Capt Howard H. Berodt, AO-49504, 718th Bomb Sq 28th Bomb Gp (VH). Pilot of 1st B-29
Capt Maurice T. Ritenour, AO-48043, 718th Bomb Sq 28 Bomb Gp (VH). Co-Pilot of 1st B-29.
1st Lt Leonard P. Marchese, AO-748714, 77th Bomb Sq., 28th Bomb Gp (NH). Pilot of 2nd B-29
1st Lt. Carl W. Stucki, AO-785916, 77th Bomb Sq. 28th Bomb Gp (VH). Co-Pilot of 2nd B-29.
NOTE: See Incident 101 - Norcatur Kansas.
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. 178 pages are in the text index: search them above, or from the library's search.