UFOB INDEX CARD 1. DAtE ,. . 2. LOCATION 0 Was Balloon . 2S Ddlea veet of Demer, Cclo 0 Probably Balloon "------10 Possibly Balloon 3. DATE-TIME GROUP ~Ground Visual T~G~M~T ==--tr.-icORAllfi,.. Vi suol 0 Ground-Radar 0 Airlnterc:ept Radar 0 Was Aircraft 0 Probably Ai rc:roft K Po ssi bl y Ai rc:roft 0 Was Astronomical 0 Probably Astranomic:ol 0 Possibly Astronomical , 1. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS 9. COURSE BII\Sweted twe o. BRIEF SUMMARY OF SIGHTING. One (1) round object, the rue of a -.tcbbead hel.cl at arma leqt.b, e8t1mated to -1* be the ei1e of a large type~ a1rcraf't. It v.. that the objec-vas at 40,000'. O'bjeet vu eUnr 1D eolor ( deecribed u being l.ike aircraft iD color.) Obaextera atteatian attracted 'b7 jet passing oYerhead, then they e .. o~jee\. It mowed slow~ at 4...,. ~ and then appeared to p1D epeed. Speed esti- mated to be bo that ef jet a/e to 1 AlSOP Form 5 (15 Oct 54) Overhead, the 11. COMMENTS 0 Insufficient Data for Evaluation !be sotme:m vere telephonica'\Y 1Dter viewed by thS bq. Both were of dubiou rel.iabilit7 111 the opinion of tbia hq. Negatin reaulta were obtained vhen th1a hq tried to contact pilot ot jet a/e jut before object vaa seen. Both admitted the poseibUity of the object been a high fiying a/e when ,.P1 Lack of c'cmtrail. and gaia ill ccm- YiDcect the SOURCES, (at time of sighting) that the object vaa not an aircraft. . . Reeolved u a AIRCRU1' PROJECT 10073 RECORD CARD 2. LOCATION CONCLUSIONS 25 miles west of Denver, Wos Bolloon Bergen Park, Colorado 0 Probably Boli-n 3. OATETIM! GROUI' .._ TYP! opr OBS!RVATION Possibly Bolloo n Loco I ~ Gr. unci-Visual 0 Gn.undRod., 0 Was Ahcroft GMT J1Ll8o~z 0 Probably A ircroft 0 Ai,.Viauof 0 Alr-lntercettt Rodar Qc Ponlbly Alrcroft Wos Astronomical 0 Probably Astronomical Possibly Astronomical 7. LENGTH opr.oaS!IItYATION NUMBER OfiOBJECTS 9. COUAS! 0 estimated two minutes overhead then Insufficient Ooto for Ev.,luotlon :tc:mu::da DCI:t.h 10. BAIEfl SUMMARY Ofl SIGHTING 11. COMMENTS One round obj, size of match bead held at Sources adm1ted the possibility of the arms length, estimated to be the size of a obj having been a high flying a/c'wben large type bomber a/c. W It was estimated that queried. POSSIBLE AjC~ the obj was at 4o,OOO'. Obj silver (like a/c in color). Observers' attention attracted by jet passing overhead, then they saw obj. slow~ at first and then appeared to gain speed Speed estimated to be from that of jet a/c at (NO CASE IN FILE)