PROJECT 10073 RECORD CARD 3. DAT!TIM! OROU~ 2. LOCATION Chicagolll ._ TYPE OF OBSERVATION JQ Ground VIsual 0 AI,. VI wuol I. iOUR'CI CONCLUSIONS 0 Woa Balloon 0 Probably BoUoon 0 Possibly Balloon Was Aircraft a Probably Aircraft 0 Possibly Aircraft a GroundRodor 0 Airlntercept Rudor 0 Wos Astronomical 0 Probably Astronomical 0 Possibly Astronomlulcont.ra:l) 7. LEMOnt 0, Oll!ltVATIOM I. NUt.\IER Orr OIJECH . 9. COUR!IE -----~ Other ..Pro.Pable A/_c_:t~/_ 0 lnsuffrdent Data for Evoluotion 0 Unlcnown 10. IIIII' SUMMARY 0' SIGHTING 11. COMMENTS Cigar shaped object. Described as rockets '.dth exhaust name about a mile long. Blinkin~ light in front going on and off. Object flmf from E for about 12 minutes tuming west and final l.y disappearing from sight. Estimated altitude by witness 50,000. AT1C POitM Ut (R&V 21 III.P 12) Duration rules out rocket sighting. Probable a/c with cont.raU. Blinking light and duration inaocordanee with the anal.ysia. Hq 5th A:rw. ALFGB-I 35005 Subject& Unusuf.l Flying Object Over Chicbgo ~quARTERS TENTH AIR FORCE, Selfridge AF Base, Uichigan TO: Commanding General. Continental Air Coa:;..tU'ld Mitche l A}, Base, Ne.,.t York ATTH a Directorate of Intelligence For your infor.nation and any actioD de~Ded n~cessary FOR THE COMMAHDIHG GENl'_!RAL: Air Adj Gea HQ, COYTil~rTAL AIR CQt.ti.AND, l-ti tchel Air Force Base, New York Collln~tnding Geaeral, Air f.!pteriel . Force :9e.se, Dlqton, Ohio AT'm: MCIS Com..,end, 'fright-Patterson Air Inclosure 1 ia sub~itted for your iaform2tion :mB 'l'H a: CQM){IDING GEM!:B.AL 1 PETER T. AAd c. It fir. USAF imfCCASS1FIED ~ o WCCASSlFiED HE A DQ U ARTER S Fl FTH ARMY U'leO ll4ST HYO& 1"411ttc BOULI:V411t0 CHIC400 IS ll.l.IN015 SUBJECTa Unusual F1ying Object Over Chicago 1 Com=nand1 ng Genera1 Tenth Air Force Sel.tridge Air Force Baae, Michigan ATTN a Director ot Intel11 gence Attached Summary or Information regarding above SUBJECT is forwarded r or 70ur informatica. S/I dtd 28 Ma7 51 re SUBJECT aNilES RANDCLPH olonel, asc Aa. or s, G-2 Dlsclorure of the content s of this r eport to the SUBJEC~ c r to persons not n cru:,.lly ont.l tlcd to the infor- ortzed 'LJ t ho :.~ c~ ~. G-2, GSUSA, or higher authority. Un~uthorl~i disc1o~uro of thi~ inforcation w1ll be cor.sidered a vlolatlo ot l!..CLf~t)d . UNCt:A5SlrlED =Ntll i- tlclA4. Su,....MARY OF INFORMATION I OATE ;-3 PAUARIMG orf!CI AC ot a, o-2, Beadqauten 1Uth Ax:nt 1660 E Iqde P41'1c Blvd, Chicago 15, Ill. CODE FOR USE IN INDI VIDUAL PARAGRAPtt VALUATION OF SOURCE: Of INFORMATION COM PU:l ELY RUAILE A FAIRLY REUABLE C t40 T USUALLY Rf.lJAGLC. 0 RWAIIUTY UNI<HOWN F CONFIRI\!EO &YOTHER SOURCES I PROBABI. Y TRUE . POSSIBLY TRUE J TnUTH CANHOT BE JUDGED 6 SUNMAAY OF INFORNATI<* A"\ appxvx1atel7 1950 houn, 24 Ya7 1931, ur. Portage Park, Chicago, Il.llnoia, and his uncle ur. C>Mes t'ad a lltlWNal ~ objeo\ 11bioh app.,..arad to be a cigar-shaped roolre\ ~ at 50,000 fee\. The ~ waa olear, and YleibUity vsa perted. The rocket hftd an ot n..aae wbioh was about a mile lmg. The tl\Alt ot the rocket l !gb\ 11hiah bl !Dked orr and on, wah like t:lAah- 11~ eendiDc Morse The rocket n .. 1n an easter~ direotion tor approxi- JM.\el.7 12-15 'mates. I\ th to a ocrurtte t1nall7 turnlng \Je:Jt mtd ~ t'rua eight. !!rs. (fbu), a neighbor ot .....-., and several othar neighbon all watched night of the tar appJ"'xlatel.7 thi.rt7 m!zmtee. no\U'iecl ~ of thia I'OOket beoaUH he assumed that it had been oeen by ~ ple~J)le. Be 11a1r no notioe or auoh a spectacl.e in tbe dei.l7 papers end t!naJ17 called Bb'WD .AUtflUOAI OD 28 r.tq to see it thq could giw oo 101l of the r.tigb\. Tbe HBIULD A~.'ERIOAU stated that they-bad no such aotiri\7 ltftd adYi to cl\11 Fitth Ar.JJy Intelli- g--. a ls\ Lt. in the AJfJ7 Re r:na tion will J violatioa ot '(1) oo, 'renth AF, Selt'ridga k.~, '!:J.oh PlST/IBI(TIOH \lJ Dist Comdr, 24th Dist OSI ( L'lFORMATION t ._....Y) l~ZEJ.-\IORI..D OF FLYDIG SAUCe&<> DO'tiNEY, CALIFOHHJ A Other Winged UF01 During the era of the saucers, winged c reatures were rC'sponsihle many UFO stories. But winged creatures d o not stay put, and in flying away they usuall y take with the m the evide nc;c tha t the a1leged spaceships we re actua11y onl y birds or insects. Oue such inci d ent occurred a t Downey, California , on ~lay 29, 1951. Late in the afte rnoon three technical write rs for North Ameri - can Aviation we re sta nding outdoors cha tting and looking at the when suddenly they noticed about thirty glowing, me tcorlike objects moving in thP east, nbout 45 degrees above the horizon . They made no sound and left no trail. E m itting an intc nSP electric-blue ht, the objects made fantastic right-a ngled turns and swept across the sky in an undulating ve rtical formation, app<trc ntly covering ahout go d egrees of sky in about 25 seconds. Th<' diameters of the objects we re estimated at 30 feet and tlH! speed a t 1 700 rnil<s a n hour [ u]. ~fany pe rsons concl ud<'d that the unknowns must b e inte r- planetary in orig in b ecause, as Life magazine commented , no natural object hurtling at such a speed could exf',ute a right-a ngled turn, and no known machine could flr so fast wit hout ma king a und or leaving a trail. No one could qua rrel with this sta te ment, but it has no obvious relation to the incident iu question. Technical a re not necessa rily tra ined observe rs, and these witnesses had no way to m ake a reliable estima te of the h eight of the objects. \Vithout an accura te estima te of at least one quantity-true altitu d e, true size, or true sp eed-the othe rs are meaningless. The unknowns probably birds, but they could equally weJI have b een butte r- bits of paper, or merely ashes blowing over the two-story