PROJECT BLUE BOOK

1
PROJECT 10073 RECORD
1. DATE· TIME CROUP LOCATION
18 May 66 coolz
19/ee Chicago, Ill.
. SOURCE 10. CONCLUSION
Civilian
4. NUMBER OF OBJECTS There is no indication t
One satollite A/c.
5. LENGTH OF OBSERVATION 11. BRIEF SUMMARY AND ANALYSIS
3 Minutes Observers were looking in the West s sky, when they noted a
6. TYPE OF OBSERVATION balloon type yellow object traveling toward the east at
terrific speed. terrliic speea. ooject was vi. Object was visible for about 3 minutes
Ground Visual before it disappeared ,behind before it disappeare ehind a building. There There was no was no
7. COURSE 7. COURSE sound, trail. sound, trail.
W to E Theeigbting occured at-approximately sunset. ng_occured at-aoproxinately sunset. From the
8. 3. PHOTOS cation avaiLable itis possible that-witness cation available It is possible that-witness
abservedthe sun's Freflection orf of an afreraft. obeerved the sun's reflectien orf of an afreraft.
Yes
No
PHYSIC. 9. PHYSICAL EVIDENCE VIDENCE
B Yos Yos
No
FORM
FTD SEP 63 0-329 (TDE) Previous editions of thls form may bo used.
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.

jillow ball.
up
fut. Shir abjict
visibhe to thhe nafed m
tpurl made it ceage !toped made it dead
remais rema
Youns tuly
Chiege 60014 all
1

187in26
COMBAT READINESS TRAINING OPERATIONS
928TH TROOP CARRIER GROUP,MEDIUN (RESERVE)
UNITED STATES AIR FORCE
O'HARB INTERNATIONAL AIRPCRT
Chicago linois 60660
SUBJECT: U.F.O. 19 HAY 66
A. Deseription or the object:
1. Would you please describe object's shaps ROUND AS A BAIL
2. .
length. (Such as a p pea, dims, nickel, baseball, eto.) PASKETeAIL.:
3. w
4. Number ONE
5. N/A
o. detaila NO
.

B. Description of course of object.
1. What first called the attention of observer to the object JUST
HAPPENED TO LOOK UP
2. Angle or elevation and azimuth of object wher. first observed
VERY NIOH - CBSERVER COULDN'T SAY AS TO ANGIE . :
AZUUTH - 2700
AZINUTH - 0900
4.I Description of flight path and maneuvers of object STRAIuT I PATH
.
DISSAPEARED BEHIND BUIIDING
**
2. ptical aids used. Telescopes, binoculars) __
3. Was this an airborne sighting? If so:
A. Type A/C N/A
B. Ident No
C. Altitude .
D. Heading …
E. Speed — —
F. Home Station
G. Telephone No
a

3.
4. Occupation KOUSEWTFE
Reliability UNKNOWN —
5: Telephone No
—.
Military:
1. Name N/A N/A …
2. Grade . "o
3. Organization
in Duty
n Reliability
6 Telephone No.
G.
1. Observer's account of weather conditions_ CLEAR - NO CIOUDS
2. Winds (from Weather Bureau)wEATHER OFFICE, NAS GLENVIEN, ILL. 4
Surface 320 Degrees 12 Kts
Aloft 6,000 290 "1 25 I1
10,000 290 11 I1
16,000 290 "1 "
20,000 260 I1 i
30,000 260 "' 11
50,000 250 11 !!
50,000 250 11
Ceiling L,o00 Scattered
mi Visibility 12 riles
Amount of cloud layer 2/10
6.
7. Vertical Temp GradientSFC C+1600 / 85013 +9° /7001B -30°0 5003 -16°c
30013 -42°0 / 200MB -55°0 Stability Index +8
Freezing level 10,Ocoft.
3

H. Did you notice any unusual activity or conditions, meteorological, astrc-
nomical, or othe might account the sighting NO
Mid you take ary photographs NO
Do you kn of any existence of physical
INITIALS CWS
CCINENT: I have idea what the observers might of seen.
CLAYZON W. SALNONSON, CiViLian CLAYZON W. SALNONSON, Civilian
Aircraft Dispatcher
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2
e)
J
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u

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PROJECT 10073 RECORD
1. DATE.TIME GROUP 2 LOCATION
26 May 66 27/0330Z Chicago, Ill. one wi tness
3. SOURCE 10. CONCLUSION
Civilian
Insufficient data for evaluation
NUMBER OF OBJECTS
One
5. LENGTH OF OBSERVATION 5. LENGTH OF OBSERVATION 11 BRIEF SUMMARY AND ANALYGIS 11 BRIEF SUMMAN
45 minuteo 45 minuteo
FTD form FTD form l64 was sent requesting -dditional information; 164 was sent requesting dditional information;
6. TYPE OF OBSERYATION TYPE OF OBSERVATION however, to date this form has not been received. Until however, to date this form has not been received. Until
Ground Visual additional information is subnitted this case is being ca- additional information is subnitted this case is being ca-
rried as insufficient data for evaluation.
7. COURSE
eastward eastward
8. PHOTOS PHOTOS
Yes Y.s 1
9PHYSICAL EVIDENCE
Y.s
No
FORM
FTD SEP 63 0-329 (TDE) Prevlous editlons of thls form mey be ueed.

FTD (TDEW)
Wright-Patterson AFB, Ohio 45433
1 July 1966
Avenue
Chicago, Illinois 60655
Dear
Reference your unidentified observation of 26 May 1966. The
information which we have received is not sufficient for
evaluation. Request you complete the attached FTD Form 164
and return it in the envelope provided.
We wish to thank you for reporting your observation to the
Air Force.
Sincerely,
a
HSAT
Chief, Project Blue Book

26 Mhay.
COMBAT READINESS TRAINING OPERATIONS
928TH TROOP CARRIER GROUP,MEDIUM (RESERVE)
UNITED STATES AIR FORCE
O'HARE INTERNATIONAL AIRPORT
Chicago, Illinois 60666
SUBJECT: U.F.O. 27 HAY 66
A. Description or the object:
1.
2. )
length. dime, nickel, baseball, ete.) Head of a pin —
3. Color Similiar to a star
L. Numberone Number_one
5. Formation, if more than one__N/A N/A
6. Any discernible Any discerni features or atures or details Much brighter than a star etails Much brighter than a star
--
7. Was there a tail, trail or exhaust, including aize or same compared
to size of cbject No
8. Was there any sound? If so, please describe Scurd_ No
2
9. Other pertinent or nusual features No
(send 164) 7

B. Description of course of object.
l. What first called the attention of observer to the object Just happened
to look up
2. Angle or elevation and azimuth of object wner. first observed
45^ angle 360 Azimuth
3. Angle or elevation and azimuth of object upon disappearance
60° to 80° angle Approx 140° Azimuth
4. Description of flight path and maneuvers of object _From North to
South then veered to East
Instantaneously - As you would blow a match out
."
E. Speed —
F. Home Station -
G. Telephone No
2
h

E. Location of Observer. Where did you make this sighting from?  Give exast
location. (If necessary give location in reference to a knowm land mark)
IN FRONT OF RESIDENCE
APPROX 810L1' W 41°41' N
F. 1 Identifying Information on Observer
1. Civilian nName MI
Age 33
Mailing Address Chicago, I1l.. 60655 —
Occupation Chicago Ditv Fireman —
Reliability Good
Telephone No PR 9-7268
Military:
1. Name N/A )
2. Grade .
3. Organization
Duty
ino Reliability
Telephone No.
G.
of .
1. Observer's Observer's account - lear - St
Winda
2. Winds (from Weather Bureau)Furnished by Weather Office, NAS Glenview, Ill.
Surface 180 Degrees 6 Kts
Aloft 6,000 300 "1 15 11
10,000 310 11 15 I1
16,000 280 20 11
20,000 280 11 20
30,000 300 " 20 1I
$0,000 260 "1 45 !!
B0,000 280 I1 20 11
Ceiling None
mn Visibility 10
Amount of cloud layer 0/10
6. Thunderstorm in area and quadrant in which lccated None
7. Vertical Temp Gradient 850MB +160c / 700M +4° /5001n -10
30013 -4400 /200M3 -5400
Stability Index +4
Freezing Level 12,loo Ft. 3
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U.S. AIR FORCE TECHNICAL INFORMATION
This questionnaire has been prepared so that you can give the U.S. Air Force as much
information as possib ncerning the unidentified aerial phonomenon that you have observed.
Please try to answer as many questions as you possibly can. The information that you give will
be used for research WS .
conciusions, or publications without your permission. We request this personal information so
that if it is deemed necessary, further details.
When did you see the object? Time of day: _
Hour Minutes
Phny 19/4 (Circle One): A.M. P.M.
or
Day Monti Year
4
3. Time Zone: 3. Time Zone:
a. a. Eastern Eastern (Circle One): a. Daylight Saving
b. Central b. Central b: Standard
c. Mounfain
d. Pacific
e. Other Other
4.Where were you when you saw the object? 4. Where were you when you saw the object?
Corb) Corf
Nearest Postal Address Cityjor Town State or County
5.How long was object in sight? (Total Duration) 13
Hours Minutes Seconds
c. Certain c. Not very sure
8. Fairly certain d. Just a guess
5.1 How was time in sight determined? _
5.2 Was object in sight continuously? Yes No
What was the condition of the sky?
DAY NIGHT
a. Bright a. Bright
b. Cloudy b.
7.IF you saw the object during DAYLIGHT, where was the SUN located as you looked at the object?
(Circle One): a. In front of you d. To your left
b. In back of you e. Overhead
c.To your right f. Don't remember
A
FORM DATA
FTD OCT 62 164 This form supersedes FTD 164, Jul 61, which is obsolete. INSUFFICIENT

H. Did you notice any unusual activity or conditions, meteorological, astrc-
nomical, or otherwise, which night account the sighting No
L. Did you any photographs No
Do you any existence of
INITIALS CWS
7
COMENT: The observer stated that his Wife and several ncighbors also viewed
this phenomena at the same time. Another wonan called this Base to this phenomena at the same time. Another woran called this Base to
that she observed a shooting star, but in my opinion this object was that she observed a shooting star, but in my opinion this object was
not a star because of the abrupt change not a star because of ne abrupt change of course. course.
CwSalnnon CwSalnonon
C.W.SAL ONSON, CiviLian 8.W.SAL ONSON, CiviLian
Aircraft Dispatcher
L1 1 I - *I I
-t
I
n
C
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8IF you saw the object at NIGHT, what did you notice concerning the STARS and MOON?
8.1 STARS (Circle One): 8.2 MOON (Circle One):
a. None a. Bright moonlight
b. A few b. Dull moonlight
c. Many c. No moonlight - pitch dark
d. Don't remember
.What were the weather conditions at the time you saw the object?
CLOUDS (Circle One): WEATHER (Circle One):
a. Clear sky o. Dry
b. Hazy b. Fog, mist, or light rain
c. Scattered clouds Moderate or heavy rain
Thick or heavy clouds d. Snow
e. . Don't remember Don't remember
10. The object appeared: (Circle One):
0. a. Solid Solid d. As a light d. As a light
b. b. Transparent e. Don't remember
c. Vapor
If it appeared as a light, was it brighter than the brightest stars? (Circle One): 1If it appeared as a light, was it brighter than the brightest stars? (Circle One):
a. Brighter a. Brighter c.About the same c. About the same
b. Dimmer d.Don't know
11.1 Compare brightness to some common object:
14
The edges of the object were:
(Circle One): a. Fuzzy or blurred 0. Other Cleas
b. Like a bright star
c. Sharply outlined
d. Don't remember
Did the object: (Circle One for each question)
a. Appear to stand still at any time? Yes No Don't know
b. Suddenly speed up and rush away at any time? Yes No Don't know
c. Break up into parts or explode? Yes Don't know
d. Give off smoke? Yes Don't know
e. Change brightness? Yes Don't know
f. Change shape? Yes 222 Don't know
g. Flash or flicker? Yes Don't know
h. Disappear and reappear? Yes Don't know

Page 3
14. Did the object disappear while you were watching it? If so, how?
Hent nele) 1 aleold
15.Did the object mov behind something at any time, particularly a cloud?
(Circle One): Yes No Don't Know. IF you answered YES, then tell what
it moved behind:
B1
1.Did the object move in front of something at any time, particularly a cloud?
(Circle One): Yes No Don't Know. IF you answered YES, then tell what
in front of:.
—
17. Tell in a few words the following things about the object:
a. Sound
b. Color.
We wish to know the angular size. Hold a match stick at arm's length in line with a known object and note how
much of the object is covered by the head of the match. If you had performed this experiment at the time of the
sighting, how much of the object would have been covered by the match head? siohtinobom muohof
Draw a picture that will show the shape of the object or objects. Label and include in your sketch any details
of the object that you saw such as wings, protrusions, etc., and especially exhaust trails or vapor trails.
Place an arrow beside the drawing to show the direction the object was moving.
about the
He

Do you think you can estimate how far away from you the object was?
(Circle One) Yes No
IF you answered YES, then how far away would you say it was?
22. Where were you located when you saw the object? 3. Were you (Circle One)
(Circle One):
a. In the business section of a city?
Inside a building b. In the residential section of a city?
b. In a car c. In open countryside?
c. Outdoors d. Near an airfield?
d. In an airplane (type) e. Flying over a city?
e. At sea f. Flying over open country?
f. Other - Other
24. IF you were MOVING IN AN AUTOMOBILE or other vehicle at me, then complete the following questions:
24.1 What direction were you moving? (Circle One)
a. North c. East e. South g. West
b. Northeast d. Southeast f. Southwest Northwest
b. Sun glasses Yes No f. Telescope Yes
c. Windshield Yes No g. Theodolite Yes
Window glass Yes No h. Other _
In order that you can give as clear a picture as possible of what you saw, describe in your own words a common

Page 5
2. In the following sketch, imagine that you are at the point shown. Place an "A" on the curved line to show how
ne compass
90° 75°
60°
NW NE
30•
E
-15• 3W
28. Draw a picture that will show the motion that the object or objects made. Place an "A" at the beginning of the rew a picture that will show the motion that the object or objects made. Place an "A" at the beginning of the
path, a "B" at the end of the path, and shiuw any changes in direction during the course. path, a "B" at the end of the path, and shuw uny changes in direction during the course.
2. IF there was MORE THAN ONE object, then how many were there?.
Draw a picture of hoy w they were arranged, and put an arrow to show the direction that they were traveling.

Page 6
Have you ever seen this, or a similar object before. If so give date or dates and location.
31. Was anyone else with you at the time you saw the object? (Circle One) Yes No
(Yes No
31.2 Please list their names and addresses:
mny husband
lies iw theblick
sm Clveland Au, Kot Anowthealdo
32. Please give the following information about yourself: 32. Please give the following information about yourself:
NAM
First Name Middlo Name Middle Name
CDGIL 221
Stree Street City Ciy Zone Stote State
TELEPHONE NUMBE TELEPHONE NUMBER AGE 7D AGE D SEX Finale Jinale
Indicate any additional information about yourself, incl ling any spe experience, which might be pertinent.
that Ih
C
When and to whom did you report that you had seen the object?
Day Month Year

CHICAgO, ILL 18 May 19,1030=
FTD (TDEW)
Wright-Patterson AFB, Ohio 45433
1 June 1966
nue
Chicago, Illinois 60614
Dear
Reference your recent Reference your recent unidentified observation of 18 May 1966. unidentified observation of l8 May 1966.
The information which we have received is not sufficient for
evaluation. Request evaluation. I Request you complete the attached FTD Form 164 and you complete the attached FTD Form l64 and
return it in the env pe provided. provided.
We wish to thank ycu fo We wish to thank you your vation
Force. Force.
Sincerely,
40H3 110H
HECTOR QUINTANILLA, Jr, MajOr, USAF
Chief, Project Blue Book
E

Un 9ad evening Mey 18 th
letiveen the houi 7-7.30
loofing Irist in the sty at
melanes by my
and
noticed a ballow type
objict in the sky
rAnd and the Lige foo wkne
me meretoife s basfthall hi
ant of sight to u. by. that
of
.