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.
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## . 3. A determined effort is under way to check up on Sammons' veracity (and sanity!) I have neither seen nor talked to Sammons, but another member of the Institute of Meteoritics party (Dr. D. M. Gragg, an Instructor in the Department of Mathematics) who did so believes Sammons (who is a well-to-d0 farmer) to be sincere and very badly scared. Of course nearness to a big meteorite fall would scare one as badly as an atom bomb; but how could it produce such testimony as Sammons". ## . The "meteoritic" incidents from the great fall of 1945, November 29 (from which no meteorites have been recovered either!) through the sequence of similar falls culminating in the Four Corners and Norcatur incidents, coupled with such things as the Ussuri incident, convince me that either the earth is under a most unusual cosmic bombardment or many of the fireballs are not meteorites at all. While I still cling to the meteoritic hypothesis, it is clear that which ever alternative is the right one, the situation cries aloud for thorough investigation.
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.