PROJECT 10073 RECORD CARD 2. LOCATION . 12. CONCLUSIONS PhilA-delphia, nnsylvania Wcs Balloon 0 Probably Bolloon 3. OATETIMI! OAOUP TYPE OF OBSERVATION Possibly Balloon ~ Grounci-VIsuol 0 GroundRador 0 Was Aircraft P ntbobl y AI rc:raft 0 Air-Vi auol 0 Alrlntercept Radar Possibly Aircraft 0 Was Astnnomi eal Probably Astronomical 0 Possibly Aatronomlcol LENGTH Ott OISUVATIOH HUMBER Ott OBJECTS COURSE 0 Other 0 lnsuffic:leftt Data for Evaluat ion t<l:inutes BRU!pt SUMMARY Ott SICHTINO Rcund , silve r , hov e r s ri place-be came Phily newsp.:.?er ca.rrisd stroy . SF'81lle r or disap:.)eared. personne l described objec~s as balloon s Upper a i r balloon s -,.,ere J.n a rea. ATtC PORM 329 (ll&V 26 SltP 52) tiEADOUARTERS UNITED STATES AIR FORCE WASHI'IGTON UNKiiC SUBJZCT Sighting of Unidentified E'lying ObJect a t ?i1iladelphi a , ?a. , Beb1aen 1940 .:md 2~)05 Eou:rs, 22 l"illgust 1954 SPECIAL TI~QUIRY Con;nander Air Technica l Intelligence Center ~:right-Patterson Air Force Base ATTr! : ATI AA-2C 1 . '!'ran 3.::d t."t.ed here . .;it h for your information is one {1 } -:.-:>p-J of S l)Ot. In :.e:::..;e!:!c e J.epor~, d.3. ted : 6 .!-1Ug'.lst 1 ?51,., fro:t ~::e 3d. Jistrict Cb~ (1~:, ~ar~is~g, ?e sylvenia, concerning sab j =c t :at.ter. 2 . Yo~ a~tcntio~ is invited t o the provisions 0f :7.L- l , hich prohibi t t.he release of i nvestigative infor~tion t, u uthor i zea pe r s.:ms . ROSEHTS P .7J.t:NSmoi, .JR. v 3pot :tpt dtd 2o Aug 54 Colone l , USAF Distri c t Commander Jir OSI ',.[/ 0 L"1cl