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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# CONFIDENTIAL HEADQUARTERS FOURTH AIR FORCE Office of the Assistant Chief of Staff, A-2 Intelligence Hamilton Field, California LAFDA-3/1208-I SUBJECT: Investigation of Flying Disc. Mar 11, 1948 TO: Chief of Staff United States Air Forces Washington, D. C. ATTN: DIRECTORATE OF INTELLIGENCE Air Intelligence Requirements Branch 1. Incident reported on 9 March 1948, this headquarters, per telephone call from Sgt A. M. Larsen, Sheriff's office, Bakersfield, California. a. Observation by Mr. (George L) Les Buchner, Bakersfield, California, of two objects falling to earth from unknown source on 5 March 1948 between 1610 and 1655 hours. Description of objects similar to falling aircraft with smoke and debris trailing. Observation made at Bakersfield with objects sighted southwest toward Buena Vista Lake, California. b. Observation by Mr. Denio, employee of the Pacific General Electric Company, Bakersfield, California, of two objects which fell to earth from unknown source north of Bakersfield, California, 8 March 1948. One object seemed to be on fire with red and black smoke trailing behind. 2. Informant Larsen stated that searching parties, aircraft and rescue units have made numerous attempts to locate these reported objects without success. 3. Investigation of incident has been initiated by this headquarters. Report will follow. /s/ Donald L. Springer DONALD L. SPRINGER Lt. Colonel, USAF AC of S, A-2 Information to: ADC, Mitchel Fld, N.Y. FBI, San Francisco G-2, Sixth Army DIO, San Francisco (12th Nav.Dist)
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.