Presque Isle AFB, MaineSeptember 1957

F : PROJECT 10073 RECORD CARD :
[1 pate 2. LOCATION 12. CONCLUSIONS
E : O Wos Bolloon
i 3 September 1957 Presque Isle AFB, Maine o Srotobly Litho
~ |'3. DATE-TIME GROUP 4. TYPE OF OBSERVATION ee DCO
E § O Was Aircraft :
1 {Ly pee EE A rd SE AKGround- Visual O Ground-Rador 0 Probobly Aircraft
4 GM 04/00457 0 Air Visuol O Air-Intercept Rodar DO Possibly Aireroft
I's. PHOTOS . SOURCE O Was Astronomicol
5 O Yes O Probably Astronomical
¢ ¥ No Military O Possibly Astronomical
[7 TencTH OF OBSERVATION [5 NUMBER OF OBJECTS | 7 COURSE |D. Other A
i: IX Insufficient Dato for Evaluation
5 O Unknown
3 2 minutes one up
~ |10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
1 Round object, size of silver dollar, The observers probably saw a
{ white. Disappeared in clouds. Appeared light attached to a radiosonde
3 to be zig-zagging. balloon launched to record
4 upper winds under fog conditions
A Also possible a/c. Insufficient
data for analysis,
: i ATIC FORM 329 (REV 26 SEP 52)
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3 gy ' A
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