Project Sign Progress Report, 1948

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•
CONFIDENTIAL e
Incident
Ho.
25
26
27
28
29
30
..'
S0b
300
SI
32
33
33a
B.xhaust
Trail
Heading
Altitude Ft.
Wot stated
Bast
High
Bluish-black Not sta.ted
Bot stated
Bluish-black Not stated
10000 ft.
15 mi. long
Not stated
Not stated
Not stated
Not stated
10 flying
High
north; on
reverse course
there were only 7
None (ap-
West
3000
peared to
ha.ve bluish
streaks out
t'rom aides
Five times
1200
Prom .,ery near
length ot
g?'Ound to 1000
object
Small streak 8.8.Wo
trailing object
Wot stated
Kot atated
di!teNn.~ al•
titudea ;
White., heavy West to eut
20000-50000 ft.
lone
Stationary
3000 tt.
lone
lone visible
Unknolm
Jfone
210° from
Extremely high
Godman Field
None
Not stated
Not stated
Speed
Effect on Clouds
Fast
Not stated
llot stated
Cut a clear path
throup cloud•
Fast
Seemed to out
0loud1 open
Did not
moveo
Seemed to
go below
horizon
Bot stated
with rotation
of earth
300-400 mph
Bot ate.ted
Slow
Bot stated
500 mph
Jlot stated
rt. a,tter 1t
atartecl
to le&"ff
n.e1n1ty
bceeding
Bot ate.ted.
600 aph
Jfotionlesa
lot stated
~-~-----­
600-~00 mph Bot 1ta1;ecl • •
Stat1anary
"lone
nom n.aible Ione
Stationary
!lone
Not stated
Bot sta:t;ed
NND 927545