18_100754_ General 1946-7_Vol_2

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SECRE'r
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Basic Ltr fr CG, AMC, WF to CG, AAF, Wash. D. C. subj "AID Opinion Con­
cerning •Flying Discsu.
(2) Absence of trail, except in a few instances when the
object apparently was operating under hi gh perfor­
mance conditions.
(3) Circular or elliptical in shape, flat on bottom and
domed on top.
(4) Several reports of well kept formation flights varying
from three to nine objects.
(5) Normally no associated sound, except in three instances
a substantial rumbling roar was noted.
(6) Level flight speeds norma~ above 300 knots are esti­
mat ed.
,
f.
It i s possi ble within the pr esent u. s. knowledge -
pro­
vided extensive detailed development is undertaken -
to construct a
piloted aircraft which has the general description of the object in sub­
paragraph (e) above which would be capable of an approximate range of
7000 miles at subsonic speeds.
g.
Any developments in this country along the lines indicated
would be extremely expensi ve, t ime consuming and at the considerable ex­
pense of current projects and t herefore, if directed, should be set up in­
dependently of existing projects.
h.
Due consideration must be given the follovring:­
(1) The possibility that these objects are Qf domestic
origin - the product of some high seclll1.ty project
not known t o AC/AS-2 or this Cormnand.
(2) The Jack of physical evidence in the shape of crash
recovered exhibits which 'WOUld undeniably prove the
existence of these objects.
(3) The possibility that some foreign nation has a form
of propulsion possibly nuclear, which is outside of
our domestic knowledge.
3.
It is recomnended that~­
a.
Headquarters, Arn\r Air Forces issue a directive assigning
a priority, security classification and Code Name for a detailed stucy- of
thiS matter to incl ude the preparation of complete sets of all available
and pertinent data "flhich will then be nade available to the ArrfU~ Naq,
Atomic Energy Commission, JRDB, the Air Force Scientific Advisory Group,
NACA, and the RAND and NEPA projects for comments and r ecoDDJ1eniations,
-,dth a preliminary report to be forwarded within 15 days of receipt of
the data and a detailed report thereafter evecy- 30 days as the 1nvesti­
SE.CRQ
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U-39552