ru"), info 'l'!le follolfillg mess~ge roce!::red fro1n 13th .. A;i' and pa.s;::.ed in ccord.ance .dth USAJ' l~tter. Subject: tt:;la-oorting of information on ..flj')ng Dies" dated 26 3'eb:nvu-y 1948. .1~ detailad :re~ort .rill b f ;: .. .r~a:r.ded when received . tr1nident1fidd aircraft signtcd by ~nlisted Jl3.!l of this Conunand l"ov 1948 approxi:nc.tely 1330 hours. northc: .. t by ~a.st of Clark Xs 3ase. Distance nndeter~ined. .Altitudes from l O,CXX> to 20,000 feet. Description; Color: snownite, rlng span esti:n."lted 100 to 150 feet. 11selage est1mated at 250 feet l~ng~h. ~istance from nc>se of aircr.:u't to laadin& :.d6e of \ring esti:nateO. 25 to 4c ft. hsel3gs a:pp!ered propor"ticnatel;r l Jng uith ta:pe~d DD~e./"!ail extr~mity tapered to al.:nos t a ~oi:lt. .Fasel~re 3:::-rc ad to :;a:v~ ll.!ldo a b,...:o ee trailiru.,. elze ':lf ..n_.,g an.l tail e.:t~:'3"l.l:7 .:lo t~il sur~ ce r~ror-:cd. WJteared to -be exceedingly fas t and sounded si.milar to a uet "'ircraft. .:ti ~ 3nt',red and broke out of a large clou d 6 tU'les. No tran2icnt or bar.e aircraft r auorted as being in tee vicinity a t the ti.:ne of t oe ob8er7ation . . do confir.nat.:.on b:r other -sources. ::;,r;tluat i ')ll: C-j , Rcr;ort being .f;:>r.tarded 0y m.nil. II suiJt~ ... .ot B.e que s t for Analysis Piau lnltiala o r dfmto r en41 typl"t. telephtftc...,.. ... num~r and lontlon to rtahl of -.,ana~.-...... _ ~ CqtMUNT NO. 1 Chief, Oocr3.tions Se~."tion Tech I~tal~izenceDivi3ion 'Intellige_n<?.t::. ~p_a.rtmen_t '" I illo it E f"_trorecie.t ion 1.0 tender G..OLJE. ~ t.l C \,bf:t "ould t.he fl-ving rc-.~"e of er.y rircrc:ft, geo6T& -;L:.c vicini t:'v of Cu_rl: 1-ir r orce !: G s , h::Ye to bt. ~C!" recon- r~iss~nce purposes over ricP~ inste~lftions? I s tt..is pt:rported. fl;:ins; re.r.ge \-..-el l '-;i tnir. t!: is '-"'erP tLe source of po~:er1 EmgL'rleS, r . :Bv estir1.r~in~ ~.rie most elewentc:...rv :act or . c: ::--o~ucec., the ~lze e.nd. sh:::l~e of the c.irfoils reported i!! bes~c \(:i..!'~, e.xtene:.o! the or:\ of li"ft) ~.ri:lFt do you estirr.e te ls t !1e ~ass wi_:;Lt "' r-..r"titre.rily chosen ~-tc:llw..g speed. of 150 rr.iles per h.ot:r. g . &ving F C1lievt-d. sorr.e\d:~1. oeri c estirr.c ,..,c r c.r , .. .J..c:.t an d &S-l.. :.::..~J.'~ ~-:roclct"S cont.rollc'bllit , sic.bill~. ). e:>tc., t o oe ,,it.n i n eer od,nJ.rr:ic 1 ue-si bili1.isr , ,.; . ~ r..l'e u.r: s tri.ki.i poi en tiE lit it"" r of ~.n . .tCt l c...'"! r ircr .:::t : !'orr. tr ... e rr..:.l i 1..t 1: c.r.~f;le 1 r ecn;,irer:Je.n t~. rea l i ~ cd. tl: 1, sor: o f tbe~e o u.e s t.lCllt:\ section , I t.!.::: t t bf'--: cllO'rJ c rr.O!'t? or les~. s~:s te:r.~ GFI.IiP1Tn . "':::~hief, . Oper~ tions Sec tier_ 6531:' . ':=-:. 'Tee..-.,_ Intelligence 'Di v:~ion P CD.'::::' : Intel l i gence Depc:rtment .. , ~ :B 2B AMC ~otm fllo. 10-3 l p.., :lt Jut .. 7) ROUTING AND REL t ,. t h i f orm for lnt~r-office cor'"pondenee " it hin headqaartenJ. 1h A ~nxEL ,o;)t)L Nn t;, .. Ru lhortud ollJee ~ymblPI-" . P I a r e In hi" I" o f c.lictatllr oml ty11ist . telephun .. '\drlr .. Jfor .and 3ddr~.'lee. numher And lu~otlon to ttlfhl l f '\lJ"nalure. :";nmhu all comments c n nsecutluly . "lnte IITnlnt' 11lrnal at lon l~fl of form. I 't! entire w idth nr 'lhHt, ooth .iidt"'. ltm"inln~r '0< !11 !lotbclent only for IJTOP'"r "'P"cint' of typew r1tten I'IVla ture. ~equest for P~alyais 10 Dec J~o COMMENT NO . "\ICIAX0 - 3 lCI..\XB 1 . The f ollowi..."lg information is f orllarde d in ans-Ner t o qu~stion.5 L"l Comme n t ' io 3 a. SubJect aircraft cannot be ida'1tified ;rit.h .my kno~n d0'Tlesi..1c or for?ig!1 jet p r op<:3lled aircraft. b , There i s no knowled ge of any a dvanced typ~s of dnmestic aircr:u't (jets) flying in tha vicL1it y of Cl~rk Air Ioree P~se. c . There ar8 no kn own f oreign aircraft des igns 71hich approximate the r e!)orted configuration. I n re~ard to size reporil:d ,t hB n e a rest tf3SR airc r 3.ft of which we have kno ,ledg'3 is a devAlooment of the .1e!"'na n i~-132 si.."<" jet b omoar. Al t h ough the configurat i o n o f the EF- 1 ?:2 L~ n ''t rlei'i.1itely -c'lown, i t is not bf9Li.aved to b~ .a tail- less aircraf t .. d. The approxi.tna ~,e n'3cessary rcmge for an aircraft operating from South~rn ~,Id.J:i.Chllria .vould be about 5 . 'JOO niles l.J :L11or ocabls A :-a ge of S , )00 nil es, althou gh not L~poss ible. f. !t may be r oughly estilllated tha t the gross weight of the airplane is 300,000 l c s f~cm the arbit~arily ~hosen data. g . The atrikL,g potentialities of a 300,000 l b jet aircraft, capable of a range e qual to ar in e.x~ees of S , 000 "inilas, is superior to the most a d 'ranced designs iJl jet bombers -which we now have .t'~ying. The actual potentiality d e pends further upon ~he bomb load; however, it cannot be est~ted here. 2 . L"lis R!.cR has not b8en forwarded to c IA.\S inaSiluch as all a uestions in Conment 2'fo 3 have ~en covar~d. 3.. .:'s a!l expedient roe~sure i n handl:L""l~ si'nilar matters in +h~ fu":.ure, i t i s ~JNCLAS3;F 7lg jt MS1ght1n~ ot ~den\1~1 4 ~erial Objeoi, ~ted TC1 ;.;oa.-.-:nd1Dg Ot~!B":-"1 Air )ltltfiJr.iel m:and. -~. t-?nfl,'lttft~'n i:- J.u;n. Di;"to~. Jhlo .l'F1!!:a .~cr. L"Gl~ coma:nn1c3\1oe 1 tor'tfardfli pU%snant t o ~ !ll'C'Yiaions of ;!Q 11b,1ec\J lt;t orti.J\.4 9! l!2.for~t on ~n :?~.j'i~ D1sea." end a s d.dit1()D8l :.ni~r211tltn1 - o th, t eon\~tin.~d in o~ . '"ACQJ].Ci!IBS, fl!Itif!lli!!! ~lll .iOae3 l:lt' cr'nlcfl :a~;te,r y otu-.:L~Ari'l~zort A, r!:'l d. 5 .ToY-rtn~r 13~7, 7Jnid3nt1fi~d Air~rtd"t Ol" :- 1t:1~ Ob.1cc"'u !ied .. \ertal vb.Jct oi~ht3d OVer '.;}~rk: J~ir ':i'l)rC P ~!-\ n. 01JJ~te\ :."-ls i,hted i)n .Jorthea.a; ~>. fA,.thar: P'.i~h. eca\ ad elOUu!l, -:t300 n i 11 -cy ;:;o miles, t ftJJCy~ra t1tre 89 d~ ;; c in~ 1: .li n:l: q , 9lt1m~ter, gq~4 c !nt.ll8 Md Oecttoo \1 ,a o.i Wi tne a a 18-th Ma1n~ANJ.nue alld ~11' Groll'!), J<:aitered.. v!.~ j~rtheas\ at i3 q' lardron. At ~1!1& of sigh'!~. en~aged in J-pocial SerTi c acti.wv ...... ~NCL~SSiFlE') sunjeo\a Sigb'1~ oi Oniaea\iiiad Aar4al O\ ;eo\ (5) Sp dJ According to wi tnet!!! :a F-"t4!r thlln aT!.7 j e t t hs 1J I e-.~" tJeen. c };tl"l( .U:o Object ft9~e~d to b~ r 1~ flJin& ~rounl l~rce 3 ~1~h no d8Z1n1~e he3di . (7) ~a rabilitya eoTdi~ t o #itn object 3 v ~rr :11aneGO'fttrable , oJlel to lJ e d, ~nJ. th~ Yf7 1 t ;l10T ~d .n and out ot ~, ~ ~louae. OOS V~r, l~it~dA ap d~Od ~ix \~) milas . ~1~ eb~ract~r ~nd honea~7 in $)VJllll.at-1on. e -,,nol~ at.:\t3ment ? 1. ~:teinz"tt3l Jxetdb o~ Uniden~i!!~d On :;o.,..,mb" r 13, l94a. ~ .. tlf'!en JJOO llld hOO l J.W n rl>l'~., o"h.~.e. :!.n