PROJECT BLUE BOOK

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PROJECT 10073 RECORD CARD
1. DATE 2 LOCATION 12. CONCLUSIONS
0 Was Balloon
3 Mar 59 Stockton, Calif. XK Probably Balloon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION 0 Possibly Balloon
Locai Ground-Visual Ground-Radar 0 Was Aircraft
0 Probably Aircraft
GMT04/0130-0200Z AinVisual Air-Intercopt Radar 0 Possibly Aircraft
5. PHOTOS 6. SOURCE 0 Was Astronomical
Yes 00 Probably Astronomical
XNo Civilian Possibly Astronomical
7. LENGTH OF OBSERVATION 9. COURSE 0O Other.
Insufficient Data for Evaluation
0 Unknown
30 mins 30 mins Lone one SW SW
10. BRIEF SUMMARY OF SIGHTING 111. |11. COMMENTS COMMENTS
Obj shape of boomerang of solid, smooth oomerang of solid, smooth Obj presents apptearance of Obj presents apptearance of
form w/projections, dirtywhite in form w/projections, dirtywhite in balloon. Slow flight w/metallic balloon. Slow flight w/metallic
color. Outline of obj clearly definable color. Outline of obj clearly definable color reflecting sun's rays
against deep blue sky. tends to substantiate this tends to substantiate this
conclusion. conclusion.
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HEADQUARTERS
FOURTH AIR FORCE
UNITED STATES AIR FORCE
HAMILTON AIR FORCE BASE, CALIFORNIA
18 MAR 1059
INT
SUBJECT: Unidentifiable Object
TO: Commander
Air Technical Intelligence Center
1. Transmitted is our informational copy of the ll5th CIC
Group report 'Unidentifiable Object in the Sky, Vicinity of
2. Time-delay precluded electrical transmission.
FOR THE COMANDER: .
esban 2
1 Incl 1 Inel ALDEN D. ACOBSON D.XCOBSON
a/s Lt. Colonel, USAF
Chief, Intelligence Chief, Intelligence
Branch
IC

2. On 4 Maroh 195).
War Ih, with approkinately 26001 hours flying time, who is a Civil Engiteer and Vice
President and Son, Engineerlng Contractors
Stockton, residence at tocktou, a source of
unknown reliebility, reported the following: On 3 March 195), at agp5o ximately
home from work. Jpon his arrival,
neighborhood youth, pointed out to Source n strange and unidentifiable object at
on altitude or 25ooo feet or more : ebove the earth's suriace. The position of' the
objeet was north-northwest of Souree's house. Source's line of sight to the object
was at an angle of approximately ho degrees from the earth's surface. Source is of
object for aooroximately three mimtes. sun, just beginning to set on the
vestern borizon, was derinitely reflected by the object in a manner often observed
by Source in the past when viewing a solid objeet in the sky. The sky above and
ehind the objeet was deep blue, causing the objeet to stand out in form and outline
ln clear relief. Souree has never previously observed arything in the sky which
2 could not identify. He is certain in his mind that the objeet was not the result
or on 3DV phenonenon known to him. (F-6)
STRABUTIUN
DA 568 !Formeriy REPLACES WO AUO FORM SA8. | JUN 47.
DAAGOI WHICH MAY BE USED
U03044145181-O-242

War I IL, with approkinately 2600 hours flying time, who is a Civil Engineer and Vice
Presidant or and Son, EngineerLing Contraetors
Stockton, Califomia, with residence at Stockton, a source of
unknovn raliability, reported the following: On 3 March oximately
1745 hours, Soure arrived at his home from work. Upon his arrival,
a neighborhood youth, pointed out to Source crange and unidentiriable object at
on altitude or 2Sooo feet or more above the earth's suriace, The position or the
Source's line of sight to the object
vas at an angle of ajproximately ko dagrees from the earth's surtace. Source is of
rreat distance between the object and his ooint of obser vetion. Source viewed the
mimtes. The sun, just beginning to set on the
restern horizon, was derinitely rerlected by the objeet in a manner often observed
by Source in the past when viewing a solid objeet in the sky. The sky above and
ehind the object was deep blue, causing the object to stand out in form and outline
In clear relief. Source has never previously observed arything in the sky which
could not identify. le is certain in his mind that the object was not the result
an illuslon besed phenonenon known to him. (7-6)
BUTIUN
,
!Formerly REPLACES WO AOO FORM S6A. 1 JUN 47. RHC
DA 568 DAAGOI WHICH MAY BE USED
445(214-02770