Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)

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Total Less Unknown
Unknown
Pe-r Cent
Per Cent
30
25
20
15
10
5
0
0
5
10
15
20
25
30
I
I
I
I
I
I
I
White
Meta II ic
Of
~
Not stated
Orange
Red
Other
I
I
I
I
I
_1
_j
FIGURE 18 COMPARISON OF KNOWN AND UNKNOWN OBJECT SIGHTINGS BY COLOR,1947-1952
A-7496