PROJECT BLUE BOOK

ASI(ASHAF-A)
Maxwell AFB, Ala 36112

scientifically
sound.
satellite also exerts a por fu pull upon
-
man's imagination.
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nsideration ssibilities,
Mr. _
Let me speak
of the rationa. nown. Its
•
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have greatly increased thousand five I hundred miles.
interest in German V-1
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range of twenty They very ay, a
rocket engine metric tons.
of extremely y long ra ballistic
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feet long, with takeoff weight of
T ndred around twelve
hundred miles per
He says, ".. the ro
hundred fift; At the end of
.
12

speed decreases fro nits high to normal landing speed.
has ever been b t so far a
• France.
living, and still at we
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with an all-wing desin akes i design cient
light-weight structure.
Work in various
designers United States since the early of all of
the wing tips. The take-off distances
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there is some et somewhat b by round-
ing the wi tips. Convair
(F-92) to det the flving characteristics of elte-wing
all-wing g1 liders s in Germany.
ATIC - 1 April 1952 15
.

could well for sauce: t brims, doughnuts, ete.
Aeronautical have always toyed i with shapes.
ATIC - 1 April 1952
16

did not hold water for very s That,in fact, the
induced ted.
hed and
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If BY
I
THE AIR TECHNICAL

the low as
And now
SLIDE NO.1
.
SLIDE H0.2
summarizing characteristics of the Horton
designs.
SLIDE H0. 3
parabola plan form, referred
4
to previously.
ATIC - 1 April 1952 18
.
4

Wing span 158 ft
Wing area 2500 ft2
Aspect ratio 10
Sweep at leading edge 280
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4x 10,000 aircraft range of
SLIDE NO.7
of the German greatest
This aircraft fighter
… 10re 20

angles of attack, however,
for ratio
scent without
performance interceptor and fuel
ram-jet.
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Aspect ratio 1.33
Power plant liquid fuel ram-jet (rocket for
- initial acceleration)
22

Pa
This slide shows anotih pr ame kind done
previously with possible
of the P-13 design.
If a development of the P-l3 project were actively pursued it
Gross weight 7700 1b
ATIC - 1 April 1951 23
.

Vmex Mach No. 1.0
Endurance 30 min
I not be outstanding, probably
about 300 nautical
Lights ease.
.
ATIC - 1 April 1952 24
+

development with special e
increased r aircraft gas turbine.
It is a isational,
-
t test. in
engines with thrust ratings of en thousand pounds.
25

continuing at a rapid id pace.
There is noon, any radically new principles
in jet I that would
.
1952 26

.
methods analysis.
Ilnd Ny a aw wnds frm Capt LC
an aeronautical engineer
ATIC - 1 April 1952 27

United
ATIC, ir fewest pos the
As a part of that

-
a .
course we take what we telephone
preliminary i rield trip
will be practical.
.
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I
stand t that this work not at all L an attempt
sightings
checking, should eliminate certain the most
obviou es.
TTA
standard and forvard it through
channels. This gives tur
.
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a fast check on the cit: zen ocal standing to reliability
and so forth, jokers
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And then when we have ssible,
we begin the anslysis.
It is here that we call 1 upon the varied talents onsiderable
passed
early history o e told of
the scientific lvisors employ The same thing being done
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contract basis. It is a - rture -- one of the
improved
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sighted, f The sole
purpose of this and other the attempt to
will tell you showed
concentrations the Northwest. T This was to be
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indications in
late 1949 and ,which
been
1952 34

States. R -called
"green fire) Occasional - been seen for -
and color and hvir is t
These "green alls that they
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Air Materiel Command ar
Command. The Ai
thunder bytalking about a
project that b exclusively them, ar But I think
ATIC - 1 36

0
of how we chart.
SLIDE N0. 13
This slide shows jeney sightings from 1947 through
1951. You hat there is some The
-
wihle
middle surmer, and along about year.
1952 37

up more exp
un-
identifi named Kenneth
huai enonted
action taken by t results of it.
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SLIDE N0. 15
jeets. We had hoped d to
matter O1
real But, as vou chart, this effort has
are involved, sort of
pattern as
SLIDES 16 & 17 IN TURN
(Photos. Discuss each h extemporaneously)
1 will t take now.
(Briefing officer)
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as well as to the In addition to the more formel
status repor s are inade
of a possible hazard United States.
1
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bodies (stars, planets, ete)
70 sightings - or percent balloons.
c. 84 sightings accounted
for by aircraft, debris, etc.
f. 181 sightings - or percent - could not be
evaluated l and
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inc  ' o  g
And that abourt
Technical keep
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aired
.
involving scope and
direet photography.
an arrengement with
the Air aerial
abiects
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ATIC 43

8.- Lippisch Wing Design
Lippisch istics
iaotte
17. - Photogreaph
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or disprove the to learn the
truth of matter. were learned, to
determine hazard the United States was involved.
1. I ronomer State University.
2. The Air Weather Service.
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.

hat time.
The findings stated the August 1949 ort were the
e subject.
1952 4
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This is status today.
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1952 5

unconventional aireraf unknown t
Usus ces.
challenging ceur imagination R I hasten
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4

a vehicle would have to , would weigh at
1952 7