PROJECT 10073 RECORD CARD 2. LOCATION 12. CONCLUSIONS 0 Was BaliOOft 18 Deceber 1957 Yakima, Washington o Praltaltly Balloon Local XXGround-VJaual D GrounciRaclar 0 Was Aircraft 0 Pro~ltly Aircroft GMT l~ /~ ====~-.;.0 AJ,..V~I..,_a_l o_A_i_r-_ln_t_er_c...;p_t_R_a_d_or_,o PosaiWy Aircraft S. fn~o~ros 6. IXXWaa Astronomical Meteor 0 Yea D ProltoWy AatrGnomlcal XXNo Civil ian D PosaiWy AstrGnomical 1. l..INOTH Ofl OISIRVATION 1. NUM&eflt OJI OIJICTS 9. COURSI! D Other:::----=----:---~--- 0 Insufficient Data for Evaluation D Unllnown 10. 8RI!P SUMMAfllY Ofl SIGHTING 11. COMMINTS Large red fireball, size of end of This was without doubt a;meteor. pencil beld at arm's length, red, We are now having the Gemiaid sh leaving contrails. There was an explo- sion ball of smoke. Smote lasted until sundown. A'l'IC FORM 121 (1t&V 21 laP U) r:: 25CADD COC ~UDDZL~LY A~ A VIII l. i<::G ~ PO~T~ \'2RE ;{t.:CZ IVfD Fi<Oh SZATTL~ ArtiC AT 17 JSC 27 ;!VAY :>!-3-~ L ! Th:: VICii~ITY OF ~ii!:DFOftD S IGHT:::D LA?.GE fiED FIR::ciALL AT _l.:o2 17 D.Z:C 51, l 5 OR ~0 iiiLi:S ~f~AT OF 1 ~T S nASTA, C.l4LIF L~AVIiG CONTRAILS ON A NORTH~JEST HEADI~G UNIT0 AIRLI 7 ADAi:s TRAILI1G C0NTitAILS. AI-CrU\FT 0 SIGHT=::D O:iJSCT AT AFPilQX Z 14. oz :iHICH 1\P.E.ZArtED TO EXPLODt: Oi~ Ti-E :10iiATASr!