Documents / Report

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

U.S. Department of War · 210 pages · text by OCR

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.

  • p. 10 …These reports have never been seriously considered by science, which in general ignores them. However, according…
  • p. 81 …Col Siegmund was never questioned but some sort of investigation obviously should be made in lieu…
  • p. 95 …a jet aircraft that I perhaps had never seen - because we as civilians know very little…
  • p. 165 …Another car stopped near them with two occupants who claimed that they had never witnessed anything…
  • p. 169 …many vapor trails from planes but had never observed anything like this. He states: "It was…
  • p. 182 …a definite sharp outline - something I had never seen before. At first I thought it might…
  • p. 195 …this aircraft on Channel "B" and "C", "VHF" but acknowledgment of his transmission was never received.
CHECK-LIST UNIDENTIFIED FLYING OBJECTS

1. Date of Incident 1 Oct 1948

Incident # 172

2. Time of Incident 2100 hrs

3. Place of observation Fargo, N. Dakota from plane over Fargo and vicinity

4. Name of observer George F. Gorman

5. Occupation of observer Mgr Constr Co. (Pilot of F-51 in Air Natl Guard)

6. Address of observer 18 Fed Hous Proj Fargo N. Dakota

7. Number of objects observed 1

8. Distance of object from observer 1000 yds

9. Time in sight 27 minutes

10. Altitude 1000 to 1400 ft

11. Speed much faster than F-51

12. Direction of flight various

13. Tactics Several left turns, one right turn, diving and climbing

14. Lights clear white light

15. Sound none noted

16. Size at closest observation 6 to 8 inches

17. Color clear white

18. Shape round at all times

19. Odor detected none

20. Apparent construction none noted

21 Exhaust trails none seen

22. Weather conditions CAVU

23. Effect on clouds none

24. Sketches or photographs none

25. Manner of disappearance in steep climb

26. Remarks: Northern lights were visible in the NE quadrant

(over)

Cases discussed

About this file

Report, from the pursue collection. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 210 pages are in the text index: search them above, or from the library's search.