UNIDENTIFIED FLYING OBJECT REPORTED ON 30 SEPTEMBER 1957

• Document Type: FOIA
• Keywords: UFO SPECIAL COLLECTION
• Collection: FOIA Collection
• Document Number (FOIA) /ESDN (CREST): 0005516030
• Release Decision: RIFPUB
• Original Classification: U
• Document Page Count: 2
• Document Creation Date: June 24, 2015
• Document Release Date: January 31, 2011
• Case Number: F-2010-00651
• Publication Date: September 21, 1957

C00015396
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Copy a nu 30 C Y,
21 Septenbu 1957
MEMO4ANDUM FO.%z Awing Diroctcr, Contras 6*331igsnco
SUBJEc : (lniderertirisd Flying Cajoc? Reportod on 20 Sit t 1957
1. As capeztod by eacponents of t/xa USAir Defense Conr ian~, on un danfif-iod
.flying ebjeat (1: O) w s.ttcclced by US cedes on a ralotivsly stroignt oirxsa from the
eostarn fip of Lang lsland.t6 thevicinity of 3sri?f31o. Tno obj:ct eras cepottodly rnovi:>s
washvaid at an 431ti;ide of0Q,G0) feet and :rod of 2,t kts. ".la,: ling"vas
repo ted? by sa'^.saI tod~ws In If-III 'Acinity wad -vies', w-md in farm Ch cc(ro. In n veb -
seg ant briefing fa' rarroaort.fk?os of the l/.C, ?ma US Air Fo"cn rapcirtsd that the
oelgirei marts had.b..,ecn ddarded s ssevha: by infonnatica that: 'a) t e o was on
11 ir.iru?e break in the. t7ccl; ;b; rather Cerditicns In the area vvt of the type : tlch
haro.ia the past producad'; eke s td r pips cr:d clecS'ceic infers 'a,c~, ;t~ B-4 7s of
icc Chico on on =_G.'! trainis g 31 fight. The ADC has not
SAC tiara in the c:%70,;
cerpletadits invc? i;e torraof't'r s incident, is%P in anyav3nt'i? new seems elan. that
thephenonrana reported v ip of 3urlacp were not ra ated to tit: 100.
2. We have ry rli~.l,r~anc3:ors -So, ict acfivi?lee cc.g., k.1rr?i>C,a air, szib'
1173rin3~..~::r~rchc-.t t Si ipif!$:c?era?ions) Wiich Gan 173 ralatoci sp2elf catly to this
raper ed cv3nt. 1"3 b tl~ovo i%'rxtr7' oly that a smiet oircaft ewr1d iarcuCt a mi%ion
at this steed and altit :~o etnd sate; ti to Mae t3+. itcrr . No as rar, we c:adit the USS:t
wrli the eaaability to ;r,re a:ibro ne-launchod cruise-type missile of low
S f~, r.r%
idd~07 : paa?or..cn:a dcr?..+v.';roa;~of aacitSCD n.n.~.bcn` trn_ hove ere specific evF&.::a
of t:to:o chtbneo of such a_r!s it .
3. We fns _xar+il;ned pa NO Soviet motives fa: fount thi a one-gray vei:icle
Dean operation or r f; a U cad censidsr t:-at there would be Iittie motivation at thir.
time, ,;rcpt pcusibly a psy hotogi oil: or rata) iatwy motive, which we believe is
mo.ginal. One-%Ycy reconnaissonce operations ore lo: eIy ruled out by the likelihood
that the :,*suits would be of's hall-value, and the risk of cmprdrrisa would be very
g;ea?. - .
Approve for Release
a~ o
 C0001539
4. We ecncitioa, thacofosa,. it is highly iapcob:jbla tSct a Soviet ors~e.iurs
is respc:isib!_ fix tha UFO e2pci h of 20
5. C0nsia..nr., the facts slit tia ACC i:rsesticaslcn is inca:i,'.IS s, c.-,d t c
weothar ri:Jnontana cfo inc=ea:in3ly W -Ay GX.ps'cnmiaf3 of the migircl rar. t;, w.3
rocar.;.e:srd that no IAC mseting b, call---d an finis s:i jact at tail Cruz.
1 cRCrE1 SCO,,1'_1.E, .lc.
Copios to IAC A9oncias c fol:ows:
AEC
1
CNL
3.
FIfl
1
JIG
2
ARMY
3
A3 1--03
3
STATE
3
CIA
5