Roseville, Calif, August 1955August 1955

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| i PROJECT 10073 RECORD CARD
I. DATE 2. LOCATION 12. CONCLUSIONS
17 Aug 55 Roseville, C 1if i JOR Canon

g LE, io] Probably Balloon

3. DATE-TIME GROUP i. TYPE OF OBSERVATION Ri) et im
4 OQ Was Aircraft

I is 0 Ground-Visual O Ground-Radar OQ Probably Aircraft

emt l7/Day (time unk O Air Visual O Air-Intercept Radar O Possibly Aircraft
5. PHOTOS 8. SOURCE O Was Astronomical ;
; O Yes O Probably Astronomical

+8 No Adapt 4 dpm (coc) O Possibly Astronomical

7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE D Other ____

i 4 i ient Dat ;
ten minutes one up and drifting |o URRRE WE a fer Evaluation
0 dbl si sina nds as wi iio
10. BRIE® SUMMARY OF SIGHTING 11. COMMENTS .

. | one round, silver obj, size of basketball at Weather at ADC revealed that a balloon
: arms length, appeared to be very tright. Obj was released from Vernallis, Calif,
secered to go straight up and then drift off. plotted over Roseville on 17 Aug. Desorid-
Seen for a period of 10 minutes. | tion of obj, duration of sighting ang
fact that observer stated "object drifte:
,off" all point to a balloon sighting.
ATIC FORM 329 (REV 26 SEP 52)
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