1961.03 - 8673431 - 60 Mi E Of Springfield, Mo

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PROJ E C T 10 07 3 R E C O R D C A R D 12. CONCLUSIONS 2. LOCATION Wos Balloon ooo d,. Probably Bolloon 21 Mar 61 60 mi E of SpringfielM Possibly Balloon 4. TYPE OF OBSERVATION 3. DATE-TIME GROUP Was Aircroft 0 Ground-Rodar aoo D GrouVi nd al su- Probably Aircroft Local lng ag9 120 Possibly Aircroft 2109092 6 Ai r Vi su al O Air-Intercept Radar GMT es 1) Was Astronomicol goa eh “5. PHOTOS - SOURCE Probobly Astronomical | O Yes Possibly Astronomical Meteo CL No Military = Other coo 7. LENGTH OF...