PROJECT BLUE BOOK

0 Probably
3. DATE-TIME GROUP | 4. TYPE OF OBSERVATION Possibly Balloon
Local round-Visual Ground-Radar 0 Was Aircraft
Probably Aircraft
gMT20/2315Z AirVisual Air-Intercept Radar Possibly Aircraft
5. PHOTOS 6. SOURCE Was Astranomical
Yes 0 Probably Astronomical
XOXNo Civilian (GOC) 0 Possibly Astronomical
7. LENGTH OF OBSERVATION 7. LENGTH OBSERVATION 8. NUMBER OF OBJECTS OBJECTS 9. COURSE D D. Other. Other_
0 Insufficient Data for Evaluation valuation
0 Unknown
three to four minutes three to four minutes f four or more hovering
10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS I11. . COMMENTS
Oblong, flat, Oblong, flat, four Description of bojects Description of bojects indicates
or more in in numbe metallic that this sighting was possibly
color in a cluster eared as caused by a cluster of balloons.
though the sun cting off m Negative radar contact.
metallic
same area, moving area, moving up & up & down & side-
ways between between two banks of clouds. o banks clouds.
Seen Sean through througl binoculars oE of unkdown
power.
)
ATIC FORM 329 (REV 26 SEP 52)
0
7

(If more than one): Cluster
f. Any discer features or details:
g. Tail, trail, or xhaust, including size of same compared to size of
object(s) None
h Sound (If heard, describe sound): None
1. or wrusual
2. a, moving up and down
b.
East, southeast of Colmmbia, Tann Fost very high(20 30,0o0 ft) about 5 miles_away
C Angle of elevation and
Same as 2b, above.
Descriptian of flight, path and maneuvers
f. Length of time
3. Manner of
a Use one or any combination of the following items: (Ground-visual,
ground-electronic, air-electronic. If electronic, specify type e of
radar): Ground visual, objects seen between two banks of wind clouds.

9 Interception or identification action may be taken when.
ever feasible, complying with existing air defense directives:
None
1.. Location of any air traffic in the area at time of Cine- of sighting:
Jet pest about edght (8 mimutes about edght (a)mimutes later.
ll. Position title and corments of the preparing ll. Position title and corments of the preparing officer, including his pre- his pre-.
liminary analysis of the posssible posssible cause of of the the sighting(s): sighting(s):
Repert received d by S/Sgt Richard W. Walker and forwarded to TWIGG
HILL not HILL not r eported immediately to Filter Center Commander. rted immediately to Center Commander.
Tai omoin S
None
INT. FORM 6, 1 May 55 3
(35th ADD FORM 98

PREPARING OFFICER EVALUATION
Captain A77
REFERENCES (Comtrol number, direciive, pircvious report, ete., as applicable)
a
ADCR 55-31, AFR 200-2
SUBJECT
Unidentified Flying Objects
SUMMaky. (Rnter concise nummary of report. Gire significance in final one-sentence paragraph. List inclosures at loroer left. Begin tezt of report om AF Form I12o.)
At 2315Z 20 May 56, Columbia, Temresses GOC Post (CF35B) reported citing
four or more unknom flying objects four or five miles ESE of post between
two banks of clouds on a generally clear and sunny day. Objects described
as somenhat flat and round and reflecting or flashing light. Generally
hovering but also moving up and down and sideways at times.  Altitude est-
imated 20-30,000 feet Objects in view about three or four minutes and
claimed to definitely not be conventional or known aircraft by three teenage
and one adult GoC voLunteer.
Report irmediately reported by AF instructor on duty to TwIGG and OAK
HILL-radar sites TWIGG a assumed control since it had a jet in the area but
disclaimed any radar sightings in vicinity of Columbia, Tennesses.
Av instructor believed no other action necessary, also failed to notify
Detachnent Commander. Filter Center had AFR 200-2 on requisition and net.
aware orrequired
1
UFOER
DISTRIBUTION BY ORIGINATOR
Headquarters Air Defense Command
Inio copy 4717th Ground Observer Squadron, Wright-Patterson AFB, Ohie
WARNING: This document contains iniormation aflecting the national defense of the United States within the mesning of the Espio-
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permission of the Director of Intelligence,USAF.
AF 1 FOCT 52112 1 JUN 48. WHICH MAY BE USED. REPLACES AF FORM 112-PART I. CLASSIFICATION (SECURITY.INFORMATION wheA Alledin)
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