UNCLf;.SS!FIED ~Lr_,p Tt c ,:t~- te.4Utude (..,.;a fJ/6 1cri...a ooo 92 zrurr lat !~ (eontd) Subj!lota Projeot "Or:.1d~ect disouaed with Dr. Psopl o.t' this station the ;:>robl~m .Jncoun-cvrsd i::1 ob~in rsllable in.fonua'tion ...-.-hen o beer1ing unidentifi~.J oo,j~ets. ::r. sent to Dr. Paonla an in..for.oa-tion c~ov 01."' .~ls ,~.,sr~tiona !'ldflr Arr.y . Haw .Maxioo on A">ril 24 124g. It is .f3l~ -t:!'l3.t althou~ th th!)odollte and eto!)-watcb. '""re of ~roat a~ai.Jtano ln ra&.:d.:l~ <Jstimatee, the principal factor responsibl for th unus~lly Gpci!io info tion ~otttsined in this report~ i~ tr.At Mr. -.a mede ~1'f8.r9 i n "td"'1anoe of ~1'--.at f3.otors should bt~ obr~'!Jd ln oase suoh nn obj9o~ "r . .;i "h'tod ~here1ore lt : a ur d lh~t you r off!c~ i~3us ails~ td7~ ,~e ?~Q~rva +,i?n in~tz-lJO'tiona to }i"O'Ol~ ;t~-:l :ni:t ba i:t a ~ositiJn t o fi~.!4.~t3 obssrl/!lti) .!l$ i t.h i'1ol.J.;..,a il~lti~m\B.ir .... It..::n fl2 :.a ospeol::tl:y 'l..Jl;,adinl-i. be- objtJO~ ~t\j ~ >rJr,uru.J9ot "th 3 .> 'J:lot ,::>1;!~hds to \. l":)w n) J h ''.l:J.:ude J,JSjPB u. FI..JTCE!.iall ~:a.jor, U~l t ir3f)~.,r., ~a.3e Dlrtt . >r G~o,ny:Jlca.l l:t I !I" ron lat ..:.:J.d 3 1 10 3laot::"onio3 ;:a~t"n, C!o'f)., 230 :~lvt!~ Str~ttt, ~ambri::.g.J ,SJ . :~e.ss!lchu ,J:!t.ts, ld Nay 1949. 'l'f)J Commanding tr.:.ttHtral, .Air !,.;aU. riel :Jomr:tand, ,i ri,;.'ltPa rtrer"3C')n Air Fl')roe J a se, Dayton. OhJ. a~ ATTih .1fC ,IA.,""t.S ~. ::.:li'.tr-tnoe :3&. T~e "!J3lloona as.U by the Js.a. Dir3c~orate f.'o~ .;.:>n:,ny~ioal .ta"e"'r~n do not c'J.-:-rr li;.;hta .:lr l!mri.nescent -u~t3!"i&l.i, '!lOt"' :~ u l ~ ~tici ~ t:.tti thn ~ auoh ~'lui ~,nftto"t "rill ~;J ~-.1.:7i.Jd Jn .:\ n:urs .'llc;h ta. b . lcJi 3rCJnoe 3b. Atl U'O- t-o-dal:e liat o bu!loon !'li .. drtiJ will b$ G l.:.>vi J , J 9W 1 a.xioo l)k lahonw. ,.J~lo 9fl i:x. n.r1. z o na Lu B ~t' ~ _a .a 7evada J t o""t&l DUJftD4tr r \ a dlOhiDge l'ront all ~) ( ~;ha$8 s t "7;tlt~ "Jdll 1 t; 8.7,r1.~S '-)~B than thr .... , .. ,..w:. It is alao olann.d t o lkunoh ei"'ht 20ft. di:l.- ii1 t tl" oe.lloOil8 1' ~um U"rn~tna, tl !tbM' !t!'., b-1t'""en J,, l y l:> and .\.u uat 15, 1:14 o;:),iJota bin~ 13., .. 11~t.e~. "fhe -:ost "ons?iouo JB ~!l~r lnaluded -::>n the hn lof'Jil l'light t.-" 1,. i a br1. ;ntl::r .=olond fl::t~ of ~:)er'lrl:ntt"tl y 6' x 4 ' , a nd one or st"-~dal"d mataorologioal ?&r!lckutes. .t .a: tL~ an~-.nn wi.r~s a lo~ aa 1:>0 t'"':. are i'lowu. Th soi.tati.M.o ctqui:>JI\snt ia nars.lly r lc;.,ar o t antl ts l than l ~u. ft. in 7'llume. .\ s ~ '~neral rule. a Mward actio iH .:t"";taohecl tl) 980h ballooJ'\ ldn-t:tt'-fin~ the o.~ncy launch d. llaflarno 3cl. The 20 tt. plastiCJ b$llloona f'ly a1: eonstant l3Yel betw..B iO,bOO to 60,000 tt. de9endin~ l?OD the l~d ~nd )t~er oon dit-;ionl ... A 10 tt. olaatio belloona hav~ been fl\)Wu ;.hi.:h r-:taohad nltitu4ee ot 80,000 +~ 100,000 taet. Co~a~ionall;~ ~anoer ~8 r~lo~o~l J a~n.l .,o.,-;ha 4 ~To.vy ~nliGt:sd n .fr-o:"!. :::.t~ Sa.?lds 1)r o ving Grou..~ul ( Chie..:" t.- 3irL':lons a:1d ) o~.i I ~"'"(e. r~:q:>idly mo-ring object vrhil.J L.takin~ a pibal .-.i.nd ru.'"l. ....> had ralss.sed '1 Joi.J ::-an1 b.'!.lloon at about 1020 t!ST nnd w.; :-s r'o llo"lling 1 't. with a !itandard rJL-47 (Da.v LJ 'tihite) Tht3odolita. After th(:J 1 060 r eading, tou2< ov~r -che thsodolit~, ar,d Akars a::1d I looked uo to find th3 ba.lloon '!fi:h H~k3d jye. Hs thou~#"Jrs had .. h.a balloon when we s a .. v a whitish soh~ric'!.l ooject ri6ht .:llon.:: t.h dlr 9ction th~ Lh~odolita (45elevation and 210 azimuth) :TR3 poL'"l:i:lgo Th..: o rJ.l .=c t was d ri.!'ti:t r:;a3 t r-t;;>id ly (5 /sse. e.s asti::-.~.a. tod by stopNa cch and ~.vidth cf f'ing~rs) but we hs.J thou6ht t o ~ncou!1t:Jr si;.tilar '/i..!ds 10 t.ha ballo0.:1o . ,{,..,n 1 ~J li ff-:3:-enca in onglr.: o~..,,.;c.3n th3 t'!:eodol i.t.0 a"!d su'Jpos9d o~llocn 0~c~.:.a J The cbJ~c't: ':.rOitr h t. 'n LhJ bj.JC t r! .. e ~0 to f, On i d~tai 1 at, allo Th~ ~uiluth c-IL1 1;; nt.lrl\: :ti to UO:C.,..:I8.S~ 'Hi t , 3 >bjqc:;i; (; nl:;i.nu d d on ~ 'lOrth to about ::! 9. rh~ "r.:t obsar,.rad 3 tnm~ di:;ta:v; ~ nut t:h. ".:lo Jrtt t)'l e lo c i . ;, J t r J.C K r~rc3 ,]a s a and L0s ":J mad~ anothdr p Lb&l 111.nd rt4.4~ 15 .:~inutas l:11...3r. '!'h i;:; btlllo.>n b.lrst a.:.'"t.J!" s.n dd 'Tlinuta fligh-c .. 9J,OOO i" t o1ly 1 3 nil3s JU S sou.h o t' ts ...:'har~l'or3 th1 s o bj de t cotlld rw .. na va b 3aa a f rsl! balloon .no71.n t; a. L n!C h ang11lar speed eloN 90#000 feeto Inr"ort:la-cion is d J :nrad if 'this was som~ now o r e~:J':itr'..!l~nta.L s.ircr~.u~t o r for arty explanation wha~soav9ro .j, l.J oo r~. t , r o i gh the .subt ... nc!ed. " t.u.. fd ~pU.a UNCLASSJF'EC I N Rc PL Y AOORE~S 8 0 TH COMMUNICATION A N!> eN ' d : l OPE TO COfoM-4ANDII'IG 1 E N i: R ..\ L, A lit MATEiUEl CO.'ItMAND, A T T ~ N T I 0 N 'OLl O WING O FFIC!: 5Yi~30l. HEADOUART~RS A JR ~viA TERIEL C O MMAN D