U.S. Air Force Analysis of Flying Objects in the United States, 101-172

This declassified U.S. Air Force compilation of unidentified flying object incidents 101 to 172 contains check-list reports from 1948 and 1945. Incident 101 covers the 18 February 1948 sky explosion over Norcatur, Kansas, with letters from Norman G. Markham suggesting a lunar spacecraft, Dr. Lincoln LaPaz's reply judging it a genuine meteorite fall, and witness statements. The final incident, 172, records George F. Gorman's 27 minute F-51 pursuit of a white light over Fargo on 1 October 1948, corroborated by tower controllers and Dr. Cannon.

From the source:Release of 2026-06-12 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.

This target was contacted on the air search radar at 1500 GCT on 18 April 48. The first contact was made at 6500 yards and was tracked to 18,000 yards giving a velocity of approximately 30 m.p.h. The area in which the target was contacted was thoroughly search visually and there were no clouds nor weather fronts in said area. There were no target indications on the surface radar. The target strength was S5 fading at 18,000 yards.