Documents / Official release
This Air Materiel Command file, released by the U.S. Department of War, holds Incident Summary Sheets 173 through 233, sent under a 1949 transmittal. Most of the sheets record sightings of unidentified aerial objects in 1948 and early 1949. They cover Santa Fe, New Mexico, San Pablo, California, Honolulu, Kentwood, Louisiana, and Jackson, Mississippi. Each sheet gives the observer's details and the object's size, speed and shape, and often an investigator's note on how reliable the witness seemed. The file ends with a blank guide for investigating reports, including radar sightings.
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.
“Mission Control”1 page
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At 1745 on 8 Dec 48, Spec Agents STAHL & NEEF, both rated pilots, took off from Kirtland AF Base in a T-7 type aircraft. At 1833 while flying at an indicated altitude of 11,500 feet, mean sea level, approximately 5,000 feet above terrain, a strange phenomenon was observed. Exact position of the aircraft at time of observation was $35^\circ$ $31'$ N - $104^\circ$ $51'$ W, approximately 20 miles east of Las Vegas, N. M., radio sonde station. Aircraft was on a compass course of $90^\circ$, indicated air-speed was 160 MPH and ground speed approx 190 mph. S/A STAHL was pilot and seated on the left side of cockpit. S/A NEEF first observed the object and split second later S/A STAHL saw it. It was 2,000 ft higher than the plane or 13,500 ft above mean sea level and was approaching the plane at a rapid rate of speed from approximately $30^\circ$ to the left of course, from $60^\circ$ NNE, to $240^\circ$ WSW. The object was similar in appearance to a burning green flare of common use in the Air Forces. However, the light was much more intense and the object appeared considerably larger than a normal flare. No estimate could be made of the distance or size of the object since no other object was visible upon which to base a comparison. It was definitely larger than a shooting star, meteor or flare. The trajectory of the object when first sighted was almost flat and parallel to the earth. The phenomenon lasted approximately 2 seconds at the end of which time the object seemed to burn out. The trajectory then dropped off rapidly and a trail of glowing fragments reddish orange in color was observed falling toward the ground. These fragments were visible for less than a second before disappearing. The phenomenon was of such intensity as to be visible from the very moment it ignited and was observed a split second later. It was not possible for the phenomenon to have been visible for longer than a split second before observation. (See "e" under "Significant Differences Between the Fireballs Observed in the Interval Dec 5-13 & Typical Meteors" - Incident 227) the Incident 223
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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. 144 pages are in the text index: search them above, or from the library's search.