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1. Circular 0 bjCCi:. h.:Ulf.i ne l':lt)t,ioc.l~S~ ~1 v cs i r.:pr(\~sion of a lar1·:~"! b:.llloon. S•JOn for lon~~ p11riod of t ime . Up;:cr air rasearch balloon r~·ould seem a '"•OS~ l. ...

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1f, All ftlltiONMIL P LIAR WITH THI lfiPICTS CAUSED BY AN IMT!RfiiRINO SIGNALt ta YES 0 NO

COMMINTSt _____ _. ___ _ . ____ __ ___ ------- - - -·- - ------ _ _

---- - -------- - .. ----- ----· - · ·----- ·-·-··-- -- .._ -··- . ·-------- -----20. ARE PERSONMIL. PAMILIAit WITH THI EPfi!CTS OF ANOMALOUS PROPAGATION (DUCTIMO !FfiECTS) AS THEY

ft!RT AIN TO THIS TYPI OP RADAR? II YES 0 NO

21. HAS ANO.'-i AlOUS ft~AOATION (DUCTINC IPFECT) BEEN O ACi~RVED TO EXTEND THI! RANCE OF TH! OROUNO ClUTTI!R OP THIS RADAR AT THIS SITE? ID YES :: NO

• COMMENT Sa ------- --- ·--··- _____ ... ___ - --- - --~----·----------·-

•

22. WAS ANOMALOUS ftROPAOATION (OUCTIMG EFFECT) EXTENDING THE RANCE Ofl THI GROUND CLUTTER AT THI! TIME THI TARGET WAS 08SiRVI!D? 0 YES 8 NO

COMMENT. ---------------------- ---- - ------ - -------------------------• ------------------------ - ·-·-------------- --- - --

23. HOW 010 THI TAROIT A,PI!AR IN .SIZI! AND SHAPE AS COMPARED TO CONVENTIONAL AIRCRAFT TARGETS? . ~Th~e~suawmo~~a~i .• a~e.,-Ma~~n~t~o~'~~r~a~n,~d~a~baa~pe~e~x~c~e~p~t~i~t~w~a~s~s~ta~t~-~MO~Q~a~.~~~~.~-----------------

•

-·--- --- --- - ·-·-- - ··--· -- -·-- -··- ··- -- .. - --··-·-· .. - - - • ·----·--.--·--~

24. PERFORMANCE OF TARGET&

•· REMAINED CONSISTENT IN SIZE Ia. SPEED WAS CONSTANT c. FOLlOWED CONSISTENT TRACK

tl, FUZZY COMPAREO TO AIRCRAFT TARGET

•· SAME AS AIRCRAFT TARGET

II c c

0 li

•

•

CHANGED SIZE RAPIDLY SPEED WAS VARIABLE APPEARED~ DISAPPEARED, THEN REAPPEARtD IN NEW LOCATION

SHARP COMPARED TO KNOWN AIRCRAFT· TARGET

•

0 0

0 •

0

25. WERE OTHER TARGETS (KNOWN) OBSERVED IN THE SAME GENERAL AREA, AT APPROXIMATELY THE SAME TIME ANO AT THI! SAME ALTITUDE AS THE UNUSUAl TARGET? ~ YES 0 NO

IF so, DESCRIBE. Aircraft were diverted to the exnct ,ir(>a to invMt.igata.

26. WHAT TYPE INDICATORS ("A" SCOPE, "B" SCOPE, ETC.) WERE USED TO FOLlOW THE TARGET?

h scopes, PPI's, J Scopas

DESCR I ~E THE SIGNAL& As a circular 1 well defined blip . •

27, WH AT v:..S TH E RADAR SCAN RATE? 4 RJ:.'l! - Aoc (QE~';-0)_ Hannal Control _{1:3.~). __ _

- - -- ·-· -·---- - - - ·- - ----- - - ____ .... - ··-·--- - ------- ------------- ....

28. WHAT WAS Th E FREQUENCY OF THE TRANSMITTER?

).2 ;o :.=e.1acycles (An/CPS-5-D} 2Z~ ~~cycl_~;l-~(L=·6~Q-._.l_l _ _____ _ ___ _

29. 01:> AN Y C = ':11 E OBSERVERS HAVE ANY OPINIONS AS TO THE NATURE Of THE TARGET? Ia YES 0 NO .

IF YES, CIV E THEIR NAMES AND OPINIONS BELOW. illbert r'. PERt~, Cpt - the target \'fa S a

p~,ua~en~ echo that had become dis placed in location for one day due to te~er~~ t ure i."'l-: .: .:-~ l one.

ATlC I'ONM Ul (NKVIS&O 2J NOV 1952) I I I

DO\VNG P. Ar r.;n .: ' ::. ''I-: \ r .. r· ' 'P.P.\' AT.:­DECLA::iSU''lb~ \ ~· ! ~!{ 12 l L"''iliS.

DOD DlR 62.00.10 .

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30.

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Ill ICOftl! ftHOTOS ARE HOT AVAilABLE, PlOT lttr TARGET TRACK AS ACCURATElY AS POSSIBLE. GIVI! THI! TIME AND AL TtTUD£ (IF MEASUkEO) FOH f.AOt POIHT PLOTTED. PUT THE NECESSARY RANGE SCALI! ON THE DIAGRAM •

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DOD Dm 5200.10

•

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DOWNGRADEU AT ;; ) .~.; At( ! .-. DECLASSIFIED AFTEn 12 1

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Air Force •••• South CarollM 10 Deoeraber 1952 . - . . - • •

•

•

Piaa 1420 \o 1215 I a caound rad•r atat.lon picked up an unldent.ltled ob-3eot. on 1 t-s •cope. It. appeared as a stat.lonar7 objeet. wlth a slisht circular 80tlon w~ch dtd not, cancel out when the •OYlnc t.ar~at 1nclicat,or wAs employed. Th~t slgh~tnr ahowed that its altitude was 8,000 teet. at 8 1/2 miles from the at.at.ion. Woath~r conditions were talr with alto cumulous clouds, no t.P.mperat.ure lnvers1ona presen~ 1n th~ area. Eight. t.r•nsiont. airorart flew through the area during th~t radar otaervatlon and an F-51 was directed ~o investip:At.e. 'lbe pilot aaw noth1ne unuoual. The rad4r operators involved have had several 1eara experlf!nee •

•

· II. Di!;:usalon or Incident

•

•

Photographs were taken or the PPI scope but. have not been reccivod by ATIC. There is a possibillt.7 that local cloud formations mlly have causf!d a spurious radar return. Other than this there appears to be no plausible explanation tor the incident. •

.. III. Conclusion

Posd.bl7 weatbt~ phenomena. _, . .,."'

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' :WNGRADED AT 3 YEAR I~TERV~\l$: DECLASSIFIED AF·,·;.r. !~ YI:AHS.

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ATIC, \'1ri'-"t-Pattereon AFB, Ohio, ::;ubja Unidentified ~erial Obj~ct. . . . •

S-2 300.1 (23 Uec 52) •

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HS.\.Y:tJ.hRT·~ 1 50'/TH TAt;TICAL GON'l'IOL G30tr.' 1 Pope Air lorce Base, Fort 2~:Lgfh !forth Carolina, S le"ebruar.v 1953

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. . , Co:nmancling General, "ir Technical Intelligenc~ Cento1•1 Wricht­patterson Air Force Base 1 Glio

1. In compliance with basic communication at.tached is Air In­telligence Information Report, • subject, 29 Januar1 1953 •

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2. 'lhe Electronic Data Sheet~ have been \Yithdral'fn for future utilisation.

FOR THE OOMUANJING OFFIClmc

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1. Air Intell Into Rpt ndjutant "l.~ ~ . J/J'

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UO\\'~GRADED AT 3 Y gj", R l~~TEHV.ALS.; DECLASSIFIED A{4'TF.R 12 YEARS.

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• . AIR TECHIIICAL IIITELLIQEIICE CEIITEI WRIOMT•PATTI!RIOM AIR POKI lAM

In raply rerer to A&1J I~:-~IA.i-5

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• SUE:~Ta UnideDtiried Aerial Objoot

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Commanding Officer Pope Air Force Base Fort Bragg, Uorth Carolina

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~ 3 OEC 1952

1. In regard to your FLYOB.~ roporting a re.dca- ~i~hting of an unidentified ao.rial object on 10 Decenber 1952, l420Z hours, the Air 'l'ech...,1cal Intelligence Center is fol"\ltlrding eight Electronics Data Sheets, one or uhich it is re~..:.uested be tilled out b:r tho rsdar per­eonr.el involved in t.~e sighting. The rEDaining do.ta sheets can be ret=dncd by your office in tho event or future unknown electronic detections and be sent on with the standard A3r Force Form 112.

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2. In particular reference to the subject sibhting, it iE: requested that the following quootions be answered am included in the Form ll2a

a. Did the ai rcratt sent out to intarcept the object observe it at any time?

b. Did the object .gain or lose altitude during the eight hours or observt:.tion?

c. \ihat vas the exact altitude or the temperature inversion ~~tioned in the initial roport?

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d. Finally 1 \-rare n.zinuth and elev~tion reo:lings taken i'rol!l th9 redar?

.). Your cooperation in forward!nz tb.e PPI scope photographs and. 't~a A? ?orm J )2 as eJC?6di ~iously as possible would be appreciated by ~~ = ;.l~ :echnical L~tellibance Center since an attecpted an~sis ringes oL :.:!;:!: re ·~eipt.

l Incl ··~ecw~onics Data Sheets { ~ .;c-..... • ) ""'-- -"" -

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L'!h','N(,RADi:-:D AT J ~ , .. . -' ! ~ i '" f'l~iP!,\LS : t • DECLASSIFIED AFTER J:.! \'2:\PS

UOD DlR 5200.10 C:OO 2 .i.

UNCLASSIFIED

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AF·FO~M U2-PAIT I • UN'CLASSJFIED

AI'PROVID I JUNI IMI

MI'OftT NO. (tEA VB R£ANKl

United Stat•

AIR INTELLIGENCE INFORMATION REPORT •

Unidentified Aerial Object

I hoM <'AiMc•J 72Sth A<r & W Sq, 5d7t.h Tac Con GiJ __ __ _ Ft Bragg, N. C. Pope Air Fore$ __ B~~e, Ft Br~BS• N. C. .

~T;or;~:~lrJ::-1_9;..;5;..:);;..._, _____ ~D;;_T--E;_~_111

_:_ii_:_:_;_l.;...9,_S2-::;; - ·-;----.--J'!.-l...::;v;_~...::;;_IOfl ___________ 1

AltiA. 1t~Tf.D Cit

Pope Air Foree Base,

;m.utio iY-(o/fct., DriiiCI

_ ~~~~- F. P.::R~'- Caj.t~~ USAF S t R. DeGORDIN AND 0 'FHE~ ltUUIIICIS ( C'oftlrol n• '!Uif, '''"''"· "N,;ii,.i;ire,:licec;;..:l, aW,clii,~aiiM) ---....1.-.;;...:L..~ . ..;;__;..;..::..___;~~..=.:..:-.:..-::.~=:..;..;.;;;;;;..._, _____ _

_ill_ A;:- I~t•lllge!lce Int~tion Report, Sabj:_ "UnidentUied Objt!ct." 12 Dec S2 __ _ SUMMARY: (l:llld .f'~M ,. • ..,, l(ffll£1. 0* ""''Jk•• la.l•oll ...,.,,.,_..,._pl. rMC lftd...,, II lwtr lift. Btttralcrf t/",_, t1fl AF IW,.III-Iwl If.)

(2) Air Tec~~ical Intelligence Cent.ar, ~ight-Patterson, Subj: "Unidentified Aerial Object, 11 2) Dec 52.

AFB Ltr, AFOIN-ATIA,~5,

1. Attached is a co~leted Electronic Data Sheet. as requested in paragraph 1 \ of reference 2 above. • I 2. Tne tollo"lfing questions and answers are includ~d in compliance with : paragraph 2 ~r reference 2 abo~e.

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a. QUESTIONs Did the aircraft sent out to intercept the objact ob:Jerve it at any tirne?

ANSW-;m 1 No

b. -QUH'~TIONs Did the object gain or lose altitude during the eight {S) h~ :.:111. or observation? .

c • tne ntioned in

ANS'.VE!h Yes, 8, 700 teet to 6,200 teet, and then to 4,400 feet •

QUEST!Olf: "lhat was the exact altitude ot the te.uperature inversion the initial report? Atr.;NZR: 81000 feet, 6,000 feet, and 1,800 teet.

• Qtr.~TION: Finally

1 were azimuth and elevation reading3 taken !rota the

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radar?

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' 'I~~ l'\ •• .j • ' ..L:.j;~ : Yes, b,y the llSQ-l and the AN/HPt}-10.

ALB::R T F. P SP..NA Captain, USAF

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Electroni: ~ t.a Sheet APPROVED:

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i:nN~~~~·~r=a~------------------------------------------------------------------------fAir Toohnical Intolligenoe Center, V:right-Patt.,reon Air FQ!-ca Base, Da.:;ton, Ohio

UNCLASSIFiED • •

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IOTII THft DOCUMENT CONTAINS INPOIUIATION Alhl!l lNG TH£ NATIONAL DUIHSI Of THE UNITED STATES WITHIN THE MEANING OF TH~ ESPION4GF. 4Cr. eo U S C -31 AND 12. AS AMENDIO. ITS T~MISSIOH ORTHl Rf:V!l.ATION M ITS CONTENn IN ANY MANNER TO AN UNAUTHO"ILED PfRSON IS P~011101TfD BY LAN. IT MAY NOT P£ R£PRODUCI:O IN WHO' rOil IN PART, IY OTHER THAN UNITED STATES AIR FORCE AGEHCI£5. EYCEPT BY PERMISSION OF THE OIHa:TOR OF INTt.L.LIG£HC£. USAP.

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ELECTROMKS DATA SH!IT (GROUND RADAR)

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Tlae patpoae of.chl~ Ia to proYlcle teclaftlcal cleta for eyel•atlna the report of aa IIDUaual nder teraea or Crack. II l• req•eatH that It be c .. plececl •• eccuretelJ •• poaall:~le.

t'hn aot fill .. Ia, the l• Uacleaalflecl. The reportlaa officer will uae lala owe j\lda•••• ee to wlaet cle1ree of cleaaUlced• le requlrecl.

It l• preferrecl that the eaawera to me que•tl•• be IJPewrtn .. ,. laoweyer, II It will ••· peclhe &be coMpledoa of the form, the enswera ••J be prlatecl Ia lak. II ecldldoaal apace la needed, ••• reYerH alcle of fora.

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1. ITATION OBSIRVING TARGI!Ta 2. DATE OF THIS RI!PORTa '72Sth AC8Gl Sg, 507th Tac Con Gp

o,, ....... n

Pope AFB, Ft. Bragg, N. C. Location

3. DATE TARGET 08SERVEOa

9 Dec · Month

52 v ••

Locol Tlmo 0 z Tl•• 0

Tlm .. Locol 0920 Hrs Ta ... z 1320 Z -S. EXACT LOCATION 011 STATION (COORDINATES)t

6. OBS!RV!R D.AT! (LIST EAat OBSERVER)t

N0111o

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a,__.!;.:!.:!:::.~:::.:-·::.!R:-!T:-F!...!... ~P~E~RN:.=_A:_ ________ _

D .. ' ~r.::o UlS"'AD c. ,._, .'\.... . :"'., •

e:. r -u~ "=' OOBURN D. ·'--- . . .~tJ, _

J Feb Feb 53 Me nth v ••

4. NAMELRANK AND ORGANIZATION OF REPOrcTING OfFICERa

ALBE:RT F, p;~RNA, Capt.aih~ USAF 728th AC&;; Sqdn

567th Tac Con Gp • •

Rank Duty No. of Yoara l!•p. In Radar

t.!/Sgt ___ R_a_d_a_r_On_e_r_at_or _____ ____;7 __

Capt Aircraft Controller 5 -------------------------------

Capt ____ ~_i_r_c_r_a_r_t_C_o_nt __ r_o_l_l_~r ______ 2 __

Cap~ ____ Ra __ d_a_r_o_r_f_i_c_e_r _____________ 5 __ _

Radar Officer 7 S ... _...,_, .• "'"' ... ~

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• ..:.. ..;, • _.. • • ..._. -..1 • - Ca~t - -----7. WAS A •w~z~· A~o. SIGHTING MAOE BY ANY PERSONNEL OF THE $TATI(JN? 0 YES 0 NO

IF SO, G:VE :-iA.ME AND RANK OF All PERSONNEL MAKING A VISUAL $1GHTING AND A BRIEF DESCRIPTION Of WHAT TH! 'f SAW: ·

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Si~ht~d only on Radar Scope, not visuall.y

fJO\V~GRADED AT 3 YEAR I~'rERVALS· DECLASSIFIED AFTER 12 y EA.US. '

DOD Dm 1200.10 , t; f ,/ ~ . .. ... ., ... --------------------------·

ATIC · ·oatr.t JJ~ (R .. ;VJSKP 35 NOV 19 2)

UNCLASSIFfEf' ---

- - - -- --~-- ~"o--~ - · - --=~-- - • \ - ----- -- _,.:- __ • - -- -_- --- • - - ""'- --"'- _ ..........._ __ ~ -=-="-_A_~==- -------->.-""~-~ '~ - ---- ~ ---=~- ___ ::::-:::::~ _

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9. RADAR SCOPI PHOTOia

II RADA~ I!QUIPPID WITH A SCOP! CAM!RAf -············································--·-·-·· 0 YES G NO WAS CAMERA OP !RATIONAL t ········--·-··--------·-·-----·--·----·--······--·------------- ----··--- ~0 YES .m NO WER! SCOP! PHOTOS TAlC IN? ···············-·-·················-···········--------···-····--····-· m YES O NO WI!R! PRINTS Of THE SCOPI PHOTOS fORWARDED TO THE AIR TECHNICAL IHTELLIG!HCI! CENTER? ····-···············································--····3 YES 0 NO

10. TRACK DATAl ~ATWASTHtHUMB!ROPTHITR~K?~~S~~~t~i=o=n=a~~~T~a=r~g~e~t~~~~~~~~~~~~~~-­W.U A P!RMAH!MT PLOT MADE Of' THE TRACK AT TH! TIM! OP THI! OISERVATIOH?

U. WERE AIRCRAFT SCRAMBLED TO INTERCEPT THE TARGET? IPSO, WERE THE AIRCRAPT BEING OBSERVED ON THE SCOPI AT THE SAME TIME AS THE TARGET?

12. WERE AliY NEARBY RADAR IHfTALLATIOHS QUERIED WHETHER THI!Y HAD OIS!RVED THE SAME TARGET OR TRACK! lfl SO, WHICH STATIONS? 72Sth AC&~ sq }lS;t-1,. Radar test st~tion, Fort

Bx:_agg, N. ~·

II YES 0 NO

IZI YES C NO

1!!1 YES 0 NO

tQ YES C NO

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13. WAS THE TARGET OBSERVI!D OH SEARCH RADAR? IP SO, WHAT IS THI! NOMENCLATURE OF THE EQUIPM!NTt AN/CPS-5-D , AN/Y.P·:::-10

m YES 0 NO

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14. WAS THE TARGET OBSERVED ON HEIGHT FINDING RADAR? lfl SO, WHAT IS THE NOMENCLATURE OP THE EQUIPMENT? _ _,:::l.fS:::!:.,Q-~l=,,~A~li~.-/-=.::'?:...:·.,}--=1~0~-~-------

(8 YES 0 NO

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U. HAVE T:iE~: a: EN ANY RECENT MAI.,.TENANCE DIPFICUL TIESt [J YES fa NO

IFSO,CE;:~ !SE·----~~----------------------~--~~--------------~~~---·--

16. WH :. T - "! :. - ·<: :/~~~TOIL( • E., ~?A_Ri<. GAP, H'\_R TIJBE, ETC.) IS USED IN THE RADAR EQUIPMENT? _Ihyr:a_; · ; ;t~·,.,;-~- -D - ..S -1 '.lb a vt' C·l. __________ ~-~---~~------

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17. WAS THE AF':: [AUTOMATIC FREQUENCY CONTROL) CIRCUIT OPERATING PROPERLY? at YES 0 NO COMt-'frl T S:

----------------~----~--~----~------------------------------

-·-18. HAS INTEP.fE ~e .'~ CE FROM ANOTHER RADAR SET BEEN OBSERVED RECENTLY: 0 YES rtl NO

COMMENTS: __ ~~-----------------------~--------------~------~----------- -- --------------

ATIC 11 01CU JJ2 (REVIS~D 2S NOV 1912)

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