UFO sightings in Cheyenne, Wyoming: Air Force files

8 US Air Force Project Blue Book case files name Cheyenne. The files run from 1955 to 1967. The busiest year was 1955, with 2 files. Most were filed in May.

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Files by year

0’47

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2’55

1’56

1’57

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0’61

0’62

0’63

0’64

2’65

1’66

1’67

0’68

0’69

Every file from Cheyenne

Each link opens the original scanned folder at the US National Archives (Record Group 341). Blue Book closed in 1969, so there are no files after that year.

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UFO sightings in Cheyenne, Wyoming: Air Force files

Files by year

Every file from Cheyenne

1955 2 files

1956 1 file

1957 1 file

1965 2 files

1966 1 file

1967 1 file