PROJECT 10073 RECORD CARD 1. DATE 2. LOCATION 12. CONCLUSIONS Was Balloon 9-10 September 1957 Philadelphia, Pen nsylv nnia o Probably Bolloo" 2l ~round Vi suo I Ai,.Visuol Ground-Radar 0 Wos Aircraft 0 Probably Aircraft 0 P a ssi bl y Ai rcroft 0 Was Astronomi col D Yea Physical 0 Probably Astronomical 0 Possibly Astronomical R~o Specimens Civilian 0 Insufficient Doto for Evaluation 10. 8AIEJI SUMMARY OJI SIGHTING Lette r to FDI requesting information regarding metal foil objec t s observe d falling from tl1e sky. 11. COMMEHU Evaluated as chaff used in jam- ming radar. ATIC PORM 329 (RI!V 26 SEP 52) DearMr~ ~ .. -,y~j.atter ot 10 september 'to Mr. Edpr HooYer, rWderal .~ Bunau of Ianatipt1on, regar41~ aCJM me'allic objects fo.uDd talli"&:. trca ~e k7 baa been referred 'o 'be AU' Force be a4rlM4 'that the JUlal toU 1a a wll known mater- iel ue4 tor eleotrozlia je'Dii.Dg b7 bcm~ra eD4 tipters to render . !ftOr&a or 1eae ett'eo'1 eD4 referred to u ~chatt.' ot 'he hea.,iea\ air ~'uohin 11 located adjacent be 00DfirM4 b)' a . can be obtained tor the 8\IB Depa,nwnt of Coimarce. 1'he ma~erial wu undoubtedly dropped fha aircraft durtq trahttna . trattio and air unua iD the u.s. 'l'hia r.nav or Mro Chart 11r. 310, atoll ot 'venty-tin oenta flea ~ or bau1a,e4 radar euroie ... Witil repri to the theoriea, opSDSou aM al1ekat1oD adftDCM .- ,-oa, v. haw eatabliahed rule .DOt to OA apacula,iw diacuaaion. . 1nY01Ted ill, . " :your i.D'enat o I 'l'lt.. AIR TECHNICAL INTELLIGENCE CENTER UNITED STATES AIR F O RCE WRIGHT-PATTERSON AIR FORCE BASE SUJJECT: (U) Copies to Replies to ssrs Secre t ary of the Hea dquarters , US.\F M3.jor Tacl<:er '.'lash ingt on 25, D. Att~ched are copiss o f r eply corres:,>ondence to subject per s ons who cvnta:::t~d the !:e_partr:e nt o f the ~y and. the FBI r e - V.'ALLAC Cr.ptain, USAF ~<;S'"hnt t,,l :.,t~nt SAFIS-3/M:l.j Tacker( 2 october 1957 Your letter ot 10 September 1957 addressed to the Federal Bureau of Dlveatisation concerning aerial phenomena in the Philadelphia area on 9, and 10 September 1 957, baa been retened to the Air '.n!chn1cal Dite,Hgence eenter, Qbio tor evaluation. lisv Jerstq Sincerely, lAWRENCE J. TACKP.R MaJar, USAJ' Executive Otticer Public Information Division Oft1c:e ot IntorDBtion Services ~IS-3 -comeback copy S AFIS-1 -readDg copy OI'I'ICE 01' THE SECk tARY Dear Captain DEPARTMENT OF THE AIR FORCE WASH INGTON 8 October 1957 Inclosed, please find letter from Mr. regarding unexplained aeriel phenomena in the Philadelphia, Pennsylvania area, on 9 and 10 September 1957. has been advised or this referral. Also inclosed ls a lette r from t-tr Bakersfield, Cn.lifornio. reporting a sighting of an Flying Object. Unidentified These lctLPro are forwarded to your Headquarters for possible invetd.igation and/ or evaluation. 2 In~lo~ures ' l. ltr fr Mr. 2 . ltr fr Mr. Sincerely, Information Division Office of Information Services Captain Wallace W. Elwood, USAF Assistant Adjutant Air Technical Intelligence Center Wright-Patterson Air Force Base, Ohio