Chicago Ill, May 1951

Document Text (OCR)

PROJECT 10073 RECORD CARD 1. DATE 2. LOCATION _— nN CONCLUSIONS . Was Balloon ooo 2& May 51 ChicagoIil Probably Balloon Possibly Balloon 3. DATE-TIME GROUP 4. TYPE OF OBSERVATION oaa Wos Aircraft OE ERENCE REE NE AE AOR oe ea Ki Ground- Vi sual 0 Ground-Radar Probably Aircroft om t_ _2 5/ 01 50 2_ “ O Aa Vi i r sua l OD Air -In ter cep t Rueda r e Possibly Aircroft 5. PHOTOS Was Astronomical coo O Yes Probobly Astronomical CNe Civilians Possibly Astronomicoleont 7. LENGTH OF OBSERVATION 8....