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
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## CONFIDENTIAL Object first perceived in the west. The object was shaped like a cymbal with smooth surfaces and approximately 20 feet in diameter at the base and approximately 6 to 8 feet in height in the center. Ratio was about 3:1. It appeared to be flat white in color with no shine. It traveled extremely fast crossing the sky in approximately 10 seconds (a distance of about 5 miles) on a 90° heading. It maintained a level course and shimmered in the sun giving the appearance of spinning. The altitude was estimated at approximately 2,000 ft. Object made no discernible sound and left no exhaust trail. No openings were noted on the object. NOTE: Mr. Swigert was standing by open bathroom window which faces the west when he was attracted by the object in the sky. Couldn't believe his eyes. He rushed into adjoining kitchen and showed his wife the object thru the kitchen window facing south. He stated the object appeared large enough to carry one person NOTE: Investigation conducted by Intel Officer, 1st Lt Russell J. Carey, Jr., on a call from Mr. Swigert. It was noted that visibility was good from both windows for such observation. No other reports received on this object.
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.