PROJECT 100 73 RECORD CARD CONCLUSI ONS Was Balloon Bnrid.:1 0 P ro b a b l y Balloo n OATETIME GROUP 4. T YPE OF OBSERVATION Possibly Balloon tlVGroun d Vi suo I ound Ro d or 0 Was Aircraft 0 P ro b o b l y Ai rcroft 0 AI,. Vi su o l 0 Air-Interc e p t Rodor 0 P o ssi bl y Ai rcroft o, Astronomica l 0 Prob obl y Attronomlcol x et No Civilian 0 P ottibly Ast ronomical LENGTH OP OBSERVATION NUMBER OF OBJECT S CO URSE 0 , Ot her ':cl' lnsu ffl c i e n t Dot o for Evaluation BRIEF SUMMARY OF SIGHTING Praviou-,; rcr'1rt f l'f)nJ c::an~ '~v~lunted AT I C PORM 32'1 (REV 26 SEP 52)