DECLASSIFIEDUSAF PROJECT BLUE BOOK · NARA T-1206
UNITED STATES AIR FORCE
PROJECT BLUE BOOK
UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969
CASE REFERENCE11884629
DATE OF SIGHTINGJanuary 1956
REPORTED LOCATION[BLANK]
FRAMES4
Machine transcription · mean legibility 95.3/100 ·
engines: paddle-gpu-200dpi
Transcribed Frames
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SUMVARY TO PROJECT BLUE BOOK
K213.6012 - 7-3745-401
56/p1/00 1003289
RETURN TO USAF Historical Archives
ASI(ASHAF-A) Maxwell AFB, Ala 36112
C
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4. The evidence at that time indicated that the
• majority of the reports unidentified flying objects
could be accounted for as isinterpretations of various
conventional objects, a mild form of hysteria, meteoro-
logical noaxes.
5. There remained, however, a number of un-
identifie disposed friendly aircraf roneously
reported, electronic and meteorological enomena,
light abe hoaxes, and known natural
cur
7. which are
in the order of approximately lo percent of the total,
cannot be definitely associated with these familiar things.
. 1003289
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study of arge volume reports. date, no pattern
has materialized to eveal anything whatso ven which can
be interpreted as indicative purpos nsistency or
menace nited States.
• Nonetheless, since these unexplaine persist,
the Air Force will continue its investigatior giving
the prol ce bu
11. Reports of similar phenomena go back to
Biblical times. There have been flurries of them in
the activity then before. Also, fficient
comnunication facilities and news media provide in-
centive for reporting unusual observations. fo publicis-
ecording them. However, the ability to
measure these phen omena does seem to have advanced
in step for observing them The
Air Fa ce believes that most ese phenomena will
gradually be understood as more ccurrences
in the upper atmosphere.
B. RADAR SIGHTINGS
1. The Air Force has received many reports of
• unusual images on radar scopes. It 1 s fairly well established
that some of these images are ground objects reflected from
a layer of warm air above the earth (a temperature inversion).
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actually established a radar "lock" object.
Their altitude a the tim The unidenti-
fied object according ared to be
at an of ten Three
passes were made in ar attempt the object.
In each instance eported that their radar led
• them first upward oward point
on the ground.
6. Ionized clouds are believed to be the cause
of some unidntified radar returns. Thunderstorm activity
is identifiable by radar, and radar is used for the pur-
In addition. radar has
C. CONCLUSIONS
1. The Air Force has stated in the past, and re-
affirms at the present time, th these unidentified
aerial eapon, missile or
aircral States. None the
three milite department agency in
the governmer nducting experiments
otherwise, could be a basis
phenomena. As far as is known there is
nothing in them that is associated with material or
vehicles,that are directed against the United States,
from/abanefy or from other planets.
•