PRoJECT 10073 RECORD CARD D~TETH-AE GROU_P ::.., -1'. : L "!'YPE OF.OISIRVATION : I 0, G.ound. Rad.ar AnC 'PO lUI ~.at (W~. ~ SEP 52) CONCLUSIONS -t Was Balloon Probabl y Sottoo,. Possi bjy Bal!ooft Was Aircraft P robobl y Ai rcroft Pos~bly Airaoff- Woa A.tronom.lcal rdobl ,.-A str9no c ca! g._ssiWp Astronocai col