Chicago, IllinoisSeptember 1960

a Ti amet NE AE Wee

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I. DATE | 2 LocaTION | 12. CONCLUSIONS |

! QO San 6 hd na or PeI1danda lo Was Balloon
{ “ pid od | AlCago, 41110015 IO Probably Bolloon |
presi Ee TT TS em 0 Po 2% bly Balloon {
I. DATE-TIME GROUP 4. TYPE OF OBSERVATION |

,  10/0303Z 0 Wos Aiicraft
Loco) fd eee | DD GroundsVioudl O Ground-Rodor 8 Prebelily Alrarals

| Pe i ireratt {
| oT en SE i | 0 AisViwoel 0 Air-Intarcept Rodar O Possibly Alrerel |
= es AAT IRAN LB JERS PERE 0 Wos Astronomical
O Yes 0 Probobly Astronomicol |

| a Ne | Civilian 0 Possibly Astronomical
| a LE EL a. ‘iu as aa mae atl 1 AuSaimeas ~~» ha al |
7. LENGTH OF OBSERVATION | 8. NUMBER OF OBJECTS 7. COURSE OQ Other |

| 183 Insufficient Dota for Evaluation |

2 min one mansuvared 0 Unknown

ee ——————————————————————————————— a ———————————————————————————————————————————————————— |

). BRIEF SUMMARY OF SICHTING {11. COMMENTS
ape, size and color same as Echo I satellite.| This sighting categorized as insufficient
| R ; ; i i. 5 4 bg |
|Thject grew bigger and changed to orange. | data. Possible Echo I, however confirming
1 - p - Rezo “ml | Ig 5 svat Tah) +hda +4 - 4 {

eC JAST sappeared. | G2Ta nov avalladle at Tals Time, uring

| this period Echo was going into darkness)

| lags =~ Te iH) a - -e + - i

| ® ok- hv ’ 4&5 )S53101l2 A porelion . |
| its passage to be visible for a t !
| Time, ‘
|
! l | |
| |

| {

i |

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: l

TIC PORM 129 (REV 28 3EP 52)