P~<OJECi 10073 !{ECORO CAi;D 12 CONCLUSIONS Wos Balloon P robobly Bolloon Possi:,ly Balloon 0 Wos Ai rcrolt 0 Probably Aircruh 0 Air-Vi~uol 0 .Xir-lntNC'>pl Roder 0 Possibly Aircraft 6. SOURCE 0'-Wos Astronomico\ '-'/'- ( -.. l 0 Probably Astronomical / 0 G10und Vi sua I 0 Gr.,und-Rodor a. NUMBER OF OBJECTS 9. COUR:iS 0 Po ssi bl y Astronomi c;ol 0 lnsvificiont Data for Evnluotion 0 Unknowro \0. BRIEF $U).\MARV OF SI GHTING \\. COtAMC:NTS T. LENCTH OF 03SERV ATION "til1i.'\nt o b,j hri ht whit.e or ! 'i.:.\:i:;~ o b s ... r v ::; d f 1' 1 G r an d C an y o n n u r n r rl o u t comol tcly~ [Sf:1i.ev:-d tn uo :\ tt\ o t.::<H D:::PAR TMENT o ,: THE A IR !:-Oi~CE I-IC:AOOUARrrn'S U Nirt.O ~Tt,TI':~ Alft f-OHC~ W/\SH I1-IG roN z:;, D. C . lonG of Alr l"vrC~ :.~ --lJ.:tivr :?v ~ ~) lA tott trlf.MO ROUTJ;,G SUi, 11..::~ Sf. 1-'MI. A/'N1JJVAl.5, DIS 'II'P-<OV Al.S. c._ .. ._'UkPF-:.VCES, lR Sl.\fll.tf .~ ACTICI.V.5 liiA'~O'ITorLE CIR::LlATE Col. Gl:\3 ~.c 1 CO:>i10iS.HION C J\'-ol.,TION MIO LCCo\'riOII liiFOqMATION I'.OTE AN';) of 17 A;:o:i.l 19..53. was o firebu.ll. 3te<l t:tat a que!olticnn.'lit'.; be cylindrica l exec uti.n13 rig.~t-~ .... "'lglc tJrnJ. TELE?i'~'l::