P;~OJEC T 10073 RECORD 1. 0 'TE TIME GROUP 2. LOCATION 10, CONCLUSION Other (MISS::LE) ./ 4. NUMBER OF OBJECTS 5. LENGTH OF OBSERVATION 11. IRII, SUMMARY AND ANALYSIS Not rep or l~cd 6. TYPE OF OBSERVATION Ground V lsunl 9. PHYSICAL EVIDENCE Object was It brilliant white light which appeared to e)fo plode into E. large gaseous blue and green cloud. Object was observc<l in the NW skies from observer FTD SE P 6 3 0-329 (TOE) Prwloua MlUOft etlhla I .. t.e uae4, TDl:Tjuro (MaJ Quintanilla/70916/mhs/29 Sep 67) uro Observation, September 21, 1967 1. ,our letter of' Septen&ber 22,-1967 gard1ng your um1sual observation ot September 21. Your sighting "'s probably caused by a lllasile vhich waa launched :trom Vandenberg Air Foree Base at the approximate ti~ o~ your observation. Vandenberg Air Fore& Base officials explained that the Minuteman I missile does not often pro- duce the effect ~"hich you observed, but vhen it does, the etf'ect3 can be s tor extremely long diatances. These unusual formations are produced by light pas31ng through the vapor tn~.l or the missile and not by s missile blowing up. """" ror reporting your obsermtioa to the Air Force. c . MAAfT, Colonel., USA7 'Dit.ree'tor ot Technology and Subsystems Van Nuys, Cali forniaq .'~/ <-, Sentember 22, ~967 P.ector Qulntanilla,Jr., Major, USAF Denart~ent of The Air Force ~lr1~ht -Patterson AFB, Ohio 1 n the nor t h ~.,est s k 1 e s unusual s17ht ~as over Los An~eles. Very briefly, this ~as a brilliant ~bite li5ht : h i c h s e emed t o explode into a. larg e eoseous blue and (Treen cloud. J \fill eliminate further details as I am sure you till b e receivin~ many ot'.::er letters rezarding this matter. T ~1ould spprec1 3 t e your opinion n3ture o f t~is o~currence. or exnlanat 1.on Truly yours, ~lle(l VanQ.enburih AFB end. asked abou.t the eipti~. Sst. Hayden aa14 that the aiibti~ waa almost undo~btedly caused by a minetMA I. which vaa launcaed. at 1928 local. He said that the ~aale 4oea not often produce this etfec~ but when it doea it cn be aeeR tor extr~melJ lon& diatunoea. It is produced by i~t }'aaain~ the vapor trail ot the miaale not by a .&Disale blov1~ u._p.