UFO sightings in Chicago, Illinois: Air Force files

56 US Air Force Project Blue Book case files name Chicago. The files run from 1949 to 1969. The busiest year was 1965, with 10 files. Most were filed in August.

See them on the map Seen something here? Report it

Files by year

0’47

0’48

1’49

2’50

2’51

3’52

0’53

2’54

2’55

2’56

1’57

0’58

1’59

3’60

3’61

5’62

3’63

3’64

10’65

8’66

1’67

0’68

1’69

Every file from Chicago

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.

All Illinois files · UFO sightings hub · Recent reader reports

UFO sightings in Chicago, Illinois: Air Force files

Files by year

Every file from Chicago

1949 1 file

1950 2 files

1951 2 files

1952 3 files

1954 2 files

1955 2 files

1956 2 files

1957 1 file

1959 1 file

1960 3 files

1961 3 files

1962 5 files

1963 3 files

1964 3 files

1965 10 files

1966 8 files

1967 1 file

1969 1 file

Date unknown 3 files