J\L''fJ'l'lJDl. ll.OO') ' t\ rDrT' \\Tf\.l'IOH Inol~o:tt 7r8Q - -100 :11. 1~ o1" Knaso.s Oity_. Auissouri - -6 UJ.ly 1 94 7 'i'horo 1:; no diroct o.stro:1o1nico.l explll.l13.tion for t nis Tho ~tr.i.kin~: fo~turo oi' tnd incid 1!1t i s t.tul. l:ho "vu r:.t orl,:.ht." ot.>jnct travellgd in tho 5.9-:ne dir e c t ion O...Ylt! !l.~; tho s e.ne ~poed o.s tho obstJrvor dla, a..'1.d tlle.t; it nppoarcd o.t 11 o'~loc~ position a t nis let't. or o.:>proxi:1ll:t.ol~t Oi?i!O::iite tn thJ no:;ition of th' sun .o. t Uie tLn~-J, l t oa.nnot uo proved, of oourse_, but it it; pr-obable tho.f; tho ~d. tno .-;~ .3u..r u direct r erloot ion of tha sun on sorr.s co:!l- thfJ obJ ect o.ppeared on td!; ricnt., then tnis OXilla.~o.tlon -rr0ulc!. b9 untJnnolo.) lto diaa_2i)e~rn.noe Od...'1. oe ex:>lai!led lo.:t:u.lly also .. l~or turn i nt:; al-tored thQ observf3r .s ans ulo.t rclatio a iJhlf> t o the It is furt~or :1otcd ci P ... t u.n a.?paror:t inconsistor.cy J. :'..0 observer fi1st stu<;ud that tha ob \ect HE..\OqUAJt rE PS In l!ATERI3L CO lD fr1&ht-Patte~don Air Foroe e yton, Oh1o SUBJECTs ProJeot "SIG~ Chiet, Air 'i'ienther Sarvio~, Andrews Air Force B.o.se, W shlnt~on 25. D. C .ATTH I DSS 1.. Projeot "SIGN" is re:spor:Gible f o r tho colleot1on, 1nv~at1- t;~tion and intflr~)rett\tioll or d t\tt\ rttle.ti've to ol~.htinG of U11ldontifi{)<! tlyire objects.. A.ttaohod I n :sid9.nt Suc;s.ar1~:J 1 th;ru 172 from th~ filaJ o ProJeot "Sitar" are tor::tarded for study and ~'tJoo:n.~nu&.tioz!" a:5 to .thioh' of' th-6 lnoidentl! ~y b6 alloiratttd a. b~llocn role,:sed o n ;"0\~{1;!.::~ ynoptio eacents by th3 Air Waather Servioe, th6 Navy Aarolo~lcal ! aTvlo~ or the 1in1ted Stat~us Weather Bur H.u. TI-u, ::Jum~rlt!SI tt-..Aoh'd .... y b~ n tai:n'dd in your headqua.rtere for worklnt:; nd r~ r r~noe purpo1,tlr~ 2.. ~hAt A1..r \"foe.thor s~rvl.o~ iu th~ or.ly ''P:''noy of it.o ty?' th.nt h 1 thHl a tS ''" d to a~ ::s itJ t in tha a co amp~ i ah..m~ n t o t ProJect "'S I ern"' ., :xc o p ~ th #;trw Un1~d ntat...aa TI"at.hor B\lrt)a.u ho.a pruvl~led L,f'ormatio n on b.1ll J1ghtni.n~. Rdn rch projttote l !l ~hioh ball\)fHlJ Uef!)d e.r.d whioh re fJorduol-..atl or ~potl.,Or6d by th~ Army, R:.\'TY or Un\t~d .3tat.&e Air ?oro~ l.-;,- #)h:no'Cbd by th xm;..,lligono<' utjparto~n4; ol thi Gonur.t\nd, Thee~ c1heok~ m:r-uRua.lly t.~.a<.l~ (tl~ot from tho Projoo t l:rUi" Uffto~. ~C IA.X0-3. Th~!H' h"llk~ ' d l."tinot from th.t o}l~clt of eynoptio balloon flighta ma.dd ~J ,.~ther :lerv1c ., Btatlona of th~ Air Force, tho l~avy c.nd :~ Depal"t~nt vl Comm_-ero~, (TJ 5 . ifea ther Burt!tA.U) r4)'),ue:&t~d of Air }; :1.-tMr &an!o_, 3., lt 13 the O})in1on o! tnia o ftio . tb3.t t}'l..o b!tlolf lia~d l.ooi- .l wta ar;, i;hoo~ h~'Ving the gr~ateat po:s"ib1J.lty of being balloon~. Thi~ l l t uo<'a nok eli:nL-n~ the poaa ib'l.lity tha.t rcany of thd remaining r.tlid.,n t<J u.re balloo:IU. ' Bt.l AU:, Chief, Air Yl a.thsr 3ubj 41 Project "Sl Glt" s~rvloo, Washln~ton 25, D. C. 4. Th~ torrn uesd 1.n int.erro t1ng witr.eofte to si~htillg 1 l.noloaed tus a t:.!t. tter of interest. Co:nr:aent a to po e1bl~ bpro--r ment ot th~ "Eee~r.t1~1 El~.~nte or Infora~tion" 1n regurd to rout\ne ynopt1o balloon !liGht ia invited. 5 It 1G requested ~hat oor~spondence be tor.-arded to the Conmarx11ng Go:ne 1, littadquArtera. Air ld~t.eriel Cor.lt'lAnd, attention lJ:: IAX0-3. :ha:!l.,)JJ.r1e~ l -172 inql .. \r"'Ol R, liq. USAF Co.pt rrtlkcmi!ki., Gctuph;y!S 1.o Ll.b lJ~ Jo r Kod t"', !+.C.REC!P Col.Jr~ 1 1~, ~l, l'CLA11'S ~. R. Cllngc rcan, Col~ US.1F !1. U. !.ioCOY Colon 1 , o'a.\F Chief~ IntGlli~enoa ~pt Dr HYNEK' S EVALUATIONS EXT'RACTED FROM PROJECT GRUDGE fu:POftT. 1. A tronOI:lioal i!ir)l probabilitys b. ralr or low ~robnbilitya ~. Oi\.lloon3 or ordir-e.ry e.lroro.ft% n~uk~t~M flc r0~ Or fallin~ bodie3: o. Uisc'8llanaou:s (Mfl'3otions; au~or!ll ~tr~a.nur~. birda_, eto.)a ~It H.>n-&:ltronctlioal, "Vlth no explana.t ion evident . l~ck ()f .avida.ace preolud oB expls.ns.tlonl