:o_ SEP 6~ 0~29 CTOEl OAr;: TI~E GAOUP 1-ll.li tary 4. ~U~DeR OF OCJcCTS PROJECT 10073 RECORD 2. LOCATIOti 10. CONCLUSION Other (ANTI-AilWRAFT FIRING) S. LENGTH Or O;)SERVATION 11. BRIEF SUMMARY AND ANALYSIS Not Reported A pilot at position 64.10N 172.00\'1 at 2000ft reported four i_6._T_Y_P_E_O_F_o_a_s_E_R_V_A_T_ -,..---fheavy lllack puffs of smoke over Chapli.na nrea. The puffs J slowly fozmed and dissi}nted rapi~ at regular intervals. : Ai :--Visual -.-c-o_u_R-SE----------4Althou~ not exactly like the behavior of known anti-aircraft wrsts the possiblility exists that this phenomenon is l N/A antiaircraft firing. iG. PHOTOS 9. PHYSICAL EVIOE~CE AF Fom .11~ UNCLASSIFIEU AN r::TL7 IG~:c~ I7;FO?JI.ATIC~1 ~FroRT Snoke Siehting over ChapliM t~ortheAstern Sioeria 16 August 1949 st Lt, USAF A pilot flying at rosition 6410 ' U -172000''t{ a t 2,CXX> feP.t r enorted fo~ (4) r.eavy blsc-: ~.lffs of smoke over Cb..'lpliM r're.~. ThP u.rffs fomec slo, ~ ~nd d.c sst- pated rapidly at regular intervals of one (1) t o t!o.(?) :n~:m.tes, e.,chb,rst f orm- ing after the precedjng one had dissinated . Tr.e ,.,PA~her at the time \'as 10/1_0ths coverage \ori.th tops a t 1?00 feet, visibility unlimiteC., blt:e s~.cy. COt~rrs of Preparing Officer: Although not exactly like the behav1 or knmm antia.ircr3.ft bursts t he nossi- bility exists that this phenomenon is antiaircraft firing. APPRQVJ<.!D: e/ D ~f McKTIJm:t D. W. Y.cKr.:--EY Lt Colonel, USAF Iarector of Intolligence UNClASSIFIED D/I Als Cmd