PROJECT 10073 RECORD CARD 2. LOCATION 12. CONCLUSIONS 0 w.,~ eolluon _ 8 _t~,pril 1957 Shelton, Washington D Probably Balloon .Local------------x a Ground-Visual 0 Ground-Rodor 0 Was Aircraft GM100/0i:30Z 0 AI,..Visuol D Airlnterettpt Radar C:l X Probably Ai rcroft D Po ssi bl y Ai rcroft .5. PHOTOS . 6. SOURCE D Was Astronomical 0 Yes 0 Probably Astronomical 0 Possibly Astronomical 7. LEI'IGTH OF.OBSERVATION 8. NUMBER OF OBJECTS 9. COURSE two thres ntinutes 0118 JO. BRIEF SUMMARY OF SIGHTING Q11e greenish o1ange glowing light, estimated 6 to 8 feel -in dian1uter. Object had tnil resembling a heli-- copter. Object moved 1ont East to l1est at the speed of a jet. Objoct was ~een "Jisually for 2 to 3 rrtl.nutes" ATIC FORM 329 (REV 26 SEP S2) 0 Insufficient Oato for Evaluation East t o West 0 Unkno wn 11. COMMENTS Descriptio11 durati011, flight path i n d i c a t e t hat this s i g h t .L n g; was probably cause d by an a/c. COLO SP!.S ORAi !GZ G LO".J I I~G LIGHT II /\ -IJIStJ/\L D-:AST T O ~fZST I I I A- V IS!J/d .. E-DATif( C ~127 l",rt ronn , SHELTo ;: UAS H J - Ui :L!Llll'!~ D uv- lvf /