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in varying densities of air used by shock such as the
Schlieren effects which otographed, crystals
formed as a result shock waves sturbing per-cooled water
vapor in th ombination of bot these possibilities.
It should be noted th e object is described as having "no
density", looking lin and having no well defined reflecting
surfaces, all of gests not a solid thing but a "condition"
which existed in a given volume of space. If polaroid material
was in the path of observation it coulc have contributed to
decided that the "explosions" resulted from shock waves set up
by a jet aircraft. All this seems prove that advancing
the performances of aircraft and weapons and in he operational
use of our new sights and
U2
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. MCAG Ferm No. 228 (Rev 25 Oct 48) be prepared accordance with Section IV, Hq. Office Instruction No. 11-2. G
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feet tw inches thick. It be made of muslin und was
oream colored. The sun wAs bright, but there reflection from the object. It
did not seem at all.
4. The object tracking the lement leader's aircraft and when
first observed, it was approximately 1,000 ft below and behind the lead aircraft. The
1 objeet tthen accelerated and moved up to a level position with the lead aircraft and re-
mained in that position during the orbiting turn to the left from 45°to 26), at which
pointt the objeat eccelerated and·took up a new heading of 330o and broke away at an es-
believe what he had witnessed and surmised that he was
ting.hyooxia. The pilot increased his oxygen ldo% and joined his element leader.
1He join up-was not erratio and there was no other indieation which would indicate
hypoxia.
7 The pilot appeared
think out answers tements. pression received was that
DISTRIBUTION BY ONIGINATOR
FAF 1 oy DOWNGRADED AT 3 YEAR INTERVA
FEAF 6 cys DECLASSIFIED AFTER 12 YEAR..
DOD DIR 5200.10
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1 NOTE THIS DOGUMENT CONTAINS INFORMATION AFFECTING THL NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT 51  C
1 31 AND AS AMENDED ITS TRANSMISSION OR THE. REVELATION OF ITS CONTENTS IN ANY MANNER TO AN UNAUTHORIZED PERSON IS PROHIBITED HY : AW
1 IT MAY NOT BE REPRODUCED IN WHOLE OR IN PART. BY OTHER IHAN UNITED STATES AIR FORCL AGENCIES. EXCEPT BY PERMISSION OF THE DIREC TOR (
INTELLIGENCE. USAF.
4 EECRER
(CASSIFICATION
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NOTE: THIS DXOXCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT. SU U S. C -
3I AND  AS AMENDED. ITS TRANSMISSION OR THE REVELATION OF ITS CONTENTS IN ANY MANNER TO AN UNAUTHORIZED PERSON IS PROHIBITED BY LAW
. IT MAY NOT BE REPRODUCED IN WHOLE OR IN PART, BY OTHLH THAN UNITED STATES AIR FORCE AGENCIES. EXCEPT BY PERMISSION OF THE DIRECTOP OF
INTELLIGENCE.USAF. .
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2. The approximatoly twelve (12) ft
high and of undetermined thin amd somewhat reseubled a tow tar-
get. The object ws served clearly when contrasted against the water.
3. The 18,0oo ft and searched the area Lor the unidentified
object for approximately fifteen mimutes before returning to Misawa Air Base. The
pilot had good radio contact with Radar Site 18 8 during the entire period ani contimual-
ly kept them informed as to his position. However, the radar site unable to track
the F-80 or to pick up the unidentified object. had the other aircraft in
period I bence there was no possibility -having seen the second
-80 and unidentified object.
40 of propulsion, exhaust, control surfaces, or lights. The
ppearance and size of the object was sowewhat doubtful in the pilot's mind due to the
the eirore The chieat disapreared top of the clouds
1 INCLS
APPROVED: E..E. Sank
W.lt E. E. SWANK
'WILHTON N D. SIMPSON lst Lt. USAF
Lt. Colonel, USAF . Intell Req Div/of Deputy
Depaty for Inteldigence for Intelligence
DISTRIBUTION BY ORIGINATOR
PAF 1 cy DOWNGRADED AT 3 YEAR INTERVALS;
FEAF 6 cye
DOD DIB 5200.10.
NOTE THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT SU U
31 AND 32AS AMENDED ITS TRANSMISSION OR THE REVELATION OF ITS CONTENTS IN ANY MANNER TO AN UNAUTHORIZED PLRSON IS PRCHIBITLD HY LAW
IT MAY NOT BE REPRODUCED IN WHOLE OR IN PART, BY OTHER THAN UNITED STATES AIR FORCE AGENCIES. EXCEPT BY PERMISSION OF THE DIRECTOR CI
INTELLIGENCE, USAF.
UNCLASSI

. 30,000 FT
(1) FIRST SIGHTING
1 5 SECONDS (i)
2) PILOT ON 360° HEADING AT 30,000 FT AS
OBJECT PASSED IN FRONT OF A/C IN A TURN TO THE
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suburbs-reported d seeing a "cigar
shaped object larger than any
plane" flash across the sky shortly
after dawn Saturday. -
Two of the reports came from
air line pilots. One was from an
air force officer, a veteran of World
War II.
The Royal Australian Air Force
jet planes