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MESSAGE = 88253564

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M = 53 (b) (3)-P.L. 86-36

' ZEH • ·~ • & i 6~~ff E T ~,.-%111 SECTION ONE OF FOUR ~/rs-6..r-"'ltC(<~E:IR9-67PRELIMINARY AIR . ACTIVITY REPORT. INFORMATIOll CONTAUIED EREllr'REPRESEtlTS PRELIMINARY ANALYSIS • OF SIGINT AVAILABLE TO USJ-794 AS OF 21fl2~1fZ JAllUARY 1967. SECTION ONE -

SUMMARY OF DRV AIR DEFENSE AND FLIGHT ACTIVITY FOR 18/19 JANUARY 1967. ON 18 . JANUARY ORV TACTICAL VOICE-AND AIR SURVEIL-LANCE FACILITIES REFLECTED llf KORCOM PILOTS IN MIG 17 'S AHD FOUR POSSIBLY FIVE VIETtlAMES MIG PILOTS IN PRACTICE INTERCEPT AHO ATTACK TRAillitlG IN THE VICltHTY OF KEP AIRFIELD. ON 19 JANUARY DRV~ULTIC~AH~E~ COMMUNICATIONS REFLECTED THE ~EPORTED SHOOTDOHN OF ONE POSSIBLY TWO AIRCRAFT BYSAX1S51(11421 AT APPROXlMATELY S653Z. OPERATIONAL REPORTS REFLECTED 2r MISSILE SIGHTING THIS DATE BY U.S. PILOTSAHD ONE F4C (RATTLE> DM NED BY A• PoSSIBLE SAM, HOWEVER NONE OF THIS ACTIVIJY_COULD BE

··. CORRELATED TO THE ABOVE DRV :MUUI-CHAHNEfl IllTERCEPT. 'SIGitlIT REFLECTED 31) ACTIVE RADAR STATIONS \USIHG A .TOTAL OF 59 HIDIVlt>UAl . PICES OF EQUlPMEllTJ. I.IHERCEPT OF ORV AIR SURVEILLAt,CE FACILITIES REFLECT-ED NINE RADAR STATIONS REPORTING A TOTAL OF 272 TRACKS. THE SOUTHE~ll DRV ~AS THE MOST ACTIVE HITH 136-J TRACKS REPORTED, WHILE THE VIHH LltU:t RADAR STATION WAS THE MOST ACTIVE EARLY

.u ~~~~~~G s~FAC~H~t I:~Hir~s E~~~~--~~-i~cn ~~~~K~B~~rft~~E~~- -~gM~~~ ~H~~~!~gc}~TED' I .• ~ADARS. THO NEH SAM SITES WERE tlOTED ACTIVE THIS DATE, cvr~52> LOCATED 16.tlM SO HEAST OF PHUC NHAC,AND THE OTHER C.Vl~.S-3> LDCETED lSNM SOUTH OF PHUC YEN. I~ ADDITION, COMIHT SITEWl~3~ RELOCATED F~OM 21fl5N 1J618E TO ITS PRESE"T LOCATION 2JllfN 1S556E. THIS IS THE INITIAL RELOCATION REFLECTED IN COMINT FOR THlS SITE. THERE HERE 27 MIG~ORTIESFLOHN OH 19 JANUARY WITH ACTIVITY CO~SISTING OF NAVIGATIONALTRAltlING AND PROBABLE PRACTICE INTERCEPT FLIGHTS. SECTION TWO - KORCOM/DRV MIGS ·~.GE_lN PRACTICE AIR ItHERCEPT/ATTACK ACTIVITY. <ADDENDUM TO USJ-794 PAAR 31186 CK-E'/Rl-67, DTG 191915Z) BEHIEEN S9S6-J957Z 18 UA"UARY, DRY TACTICAL VOICE ILITIES REFLECTED A TOTAL OF TEN PHUC YEN BAS~D KORCOM PILOTS-TWO FROM THE FIRST COtlTINGENT AND EIGHT FROM THE SECOND. THOSE FROM THE FIRST CONTINGENTHERE POSSIBLY ACTING AS OBSERVERS TO THE ACTtVITY WHILE THOSE FROM THE SECOllD HERE ACTIVELY ENGAGED Itl PRACTICE IHTERCEPT ACTIVITY HITH FOUR POSSlBLY FIVE VIETllAMES, PHUC YEN BASED PILOTS. POSSIBLY ASSOCIATED WITH THIS ACTIVITY HAS ORV AIR SURVEILLAHCE FACILITIES REFLECTIONS BETWEEN lf913-lf942Z OF EIGHT, POSSIBLY TEN MIGS ACTIVE WITHIN AN ARE~ EXTENDIHG FROM PHUC YEN NORTHEAST 32 NM, TEN EAST-NORTHEAST 33 NM, SOUTH 15 tlM, EAST 31 NM A"D SOUTHEAST TO PHUC YEH, ALTITUDESFOR THIS ACTIVITY•

.,.9848~11488 FEET CORRELATE WITH THOSE REFLECTED ON TACTICAL VOICE FACILITIES. THE EIGHT KORCOM PILOTS NOTED Itl THE INTERCEPT ATTACK PORTION OF THIS ACTIVITY HERE~• SAM REFLECTED IN SIMILIAR ACTIVITY ON 17 JAN.<REF USJ-794 PAAR 31'1{6 CK-1;6Rl-67 DRG 191915Z> SECTION THREE - SAM SITE IN THE PHUC HHAC AREA REPO HE SHOOTDOHN OF DHE POSSIBLY THO HOSTILE AIRCRAFT. BETWEEN S633-d713Z

-• 19 JANUARY, DRY '.MUlTrCHANtlED COM- MUNICATIOtlS REFLECTED THE REPORTED ·SHOOT DOI-IN OF OUE, POS- SIBLY THO AIRCRAFT BY A SAM SITE LOCATED AT 2fflf8N Uf61f3E CtVIA2D), AT S636Z, AN UNIDENTIFED SPEAKER CPOSSIBLY THE SAM REGIMEtlTAL CONTROLLER)

@'pproved for release by NSA on 07-24-2014, Transparency Case# 6588a

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INFORMED THE LAUNCH SITE THAT A TARGET HAS ENTERING ON AN AZIMUTH OF 188 DE­GREES. AT 8637Z, ANOTHER UNIDENTIFIED SPEAKER ~TATED "CANT SEE AHYTHING AT ALL". AT·S642Z IT HAS REPORTED THAT THO TARGETS HERE EHTERIHG ON AN AZIMUTH OF 288 GEGREES. AT THIS TIME AN-UNIDENTIFED SPEAKER REPORTED THAT HE HAD LOST THE TARGET AND AT S647Z REPORTED "IT -FLEH OUT ALREADY". AT S652Z, THE SPEAKER AT THE LAUNCHSITE HAS ItlSTRUCED TO PAY ATTENTION Oii A"N AZIMUTH OF 21Uf TO 2Ut DEGREES, AND AT S652154Z, THE SOUND OF A MISSILE LAUNCH HAS AUDIBLE THROUGH OPEN MICROPHONE CONDITIONS.AT "653Z IN A POST LAUNDEH REPORT, AttD UNIDENTIEED SPEAKER REPORTED "THO MILLIES EXPLODED, HAD THO TARGETS EXPLODE" IT HAS FURTHER REPORTED THAT ONE MISSILE HAUNDHED AT A SITE TO TARGET RANGE AT A SITE TO TARGET RANGE OF 11.3 NAUTICAL MILES. OPERATIONAL REPORTS INDICATE THAT U.1. PILOTS OBSERVEDA TOTAL OF 27 MISSILES ON THIS DATE, HOHEVER, NOE OF THESE SIGHTING COULD BE CORRELATED TO THE ACTIVITY REFLECTED cu-~UlTICHANNEt1 CONNUNICATIONS. 858 NNNN

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ESSAGE \::-\ "8_253386

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(b) (3)-P.L. 86-36

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(b) (1) (b) (3)-50 USC 403 (b) (3)-18 USC 798 (b) (3)-P.L. 86-36

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DOCID: 4133738

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(b) (3) - P . L . 86- 36

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PP. :: L .· t. rn . Al i~ ~(TJ'vlT'I R': PC RT. _/ (b) (3) - 18 USC 798

I NFOR MAT ION co~ TA I NEC MERE IN REP~E SENT S/P~ S.~ l. ~:3).~E':- ~ · 86- 36

ANALYSIS OF ST G I~l ~V~lL4Bl E r e USJ-7Q4 AS ~F 2 ~ 12d~Z JAN~ AR Y l S!7. / SECT ltJN ONE - su ~~APY OF ORV .AI P. DEFENS E _.t~· Nll FlIGHT ACTJVJT" FOR 18/l~ JA~UARY 1967. /

CN lB JA~UAR~ CR~ TACTICAL VOICE 4~C AI~ SUPVEIL­ltNCE FACILITI ES REFLECTED l~ KORCC~ ~1LCTS I~ ~IG 17'5 61\() FCUR POSSIBLY FIVE VIETNAt'ES fi'.IG / PILC.TS IN PRACTICE If\TE.RCEPT AND .ATTACI'. TPJ\JNI~' (; IN THE VtCtNITV / OF Kf.P /llPFIELO. 0N l~ J ANUAPY CR~ MUlTICHANNfl ca~,~NICATIG~S PEFLECTED ThE ~EPORTEC SHOOTOCWN Of ONE POS t tBLY r~o AlPCRAFT RY SAX e5 ( 1421 AT APPROXJ~~TELY ~i53Z. OPE~ATIG~~l PEPORTS ~EFL E CTEO 27 MISSILE SIGHTING r~rs DATE BY u.s. PILOTS AND ONE F4C (RATTLE} CM / NE D RY A POSS1Blf SA~. HC~EVE~ NCNE OF THIS " CTI \I flY C.OUL O BE CCRRELATEq.··· TO THE ABOVE DR\I "'.ULT l-CHANl\'fl I NT ER CEPl. S lGlNlT REFLECTED 31 ~CTIV E P.AOAP 5TATIONS IJSl~G A TCTAL CF 59 tNO IVIGUAl P~CES OF ECUIPMENT. INTERCEPT OF Dt?. V AI R SURVEtLLA~Cc FACJLITlfS REFLECTED ~it-.E RADAR STATIOl\S QfPO RTf NG A TOTAL OF 21i TRACKS. THE SOUTHE~~ ORV WAS THE ~O ST ACTlV E WITH 13f TR~CKS PEPORTEO, WHILE T~E ~INH Ll~H RADAP STA11 0N hAS T~~/~csr ACTIVE EARLY ~ARNI~G FACILITY IN rHlS llP E~ ldT H 51 TRACKS PEPCRTEO. COMINT REFLECTED 12 flCTIVE ~A~ s11 e s, tiHltf f!¢~T IMPACTS WERE GATAINEC 0~ 15 SAM SITE ASSCCJAT EOJ fACARS. T~O NE~ S~~ SITES ~ERE NOTED hCTlVE- Tl-' d DAT F. r vJ".4::2 LCCATED l6N~ so IHE~Sl CF P~UC !'<HA(, flNC TP E OTHER Vl::4~? L'GCETED rnNM SOUTH O F PHUC VEN. lN 1H O !TIC PI. , COl"nl r SITE "v,14'.H PElf:CAlEO FRCM 2USI\ 1C~l6E TC ITS P ~ESE l'd Lf'iC.H J ON i i l ~N "i3 55 eE. THIS IS THE lf'\tTIAL PEL OCATICN R~FL EC TEC I N/CO~lhT FOR t H! S SITE. TH~R~ ~ER E 21 MTG SORTIES F LCWN CN t <;/J ~NU li P. Y ~il H- ~f ll\lllY CONSISTING C:F NA\lfGllTIG NAl T R A 1 t\ l ~ G ttlfo P R C IH B l E P i< AC t .J C E l N T f. RC E P T F l I G HT S • $ E C 1 ! C tv r .. i,;; 0 - K 0 R C 0 ('f I 0 R V fJ 1 (;-.5 E NG A G I: I N P R A C T I C E A I R fNTE' AC y~.:i / A l T ACK t>CTt li lTY. (A·QOf NDUI" TO LSJ-7S4 PA AR '.!I V 6 \; C !< - E I ~ l. - t.. 7 , 0 l G l 9 l <; l 5-.~ l

~ fl i<I £ f. N (' 9 [• t: - g t; ~57 l 1 6 JAN lJ~ R V , DR V Tt.\ C TI CM. ll O fC E FAC rL.ITI F. S RtFL Ec"l:Eo A TOlAL Cf TE N PHUC YF N P~SE~ KCRCOM Pl lO lS-T~ O F R C~ \ HE FtR !T CC~Tt~G E ~T ANO PIG~ T FkC ~ THF SECO ~ C . THCS E FRO M \~e F J RST CC~llNGENT

(b ) (1) (b ) (3) - 50 USC 40 3 (b ) (3) - P . L . 86- 36

DOCID: 4133738

... f 0 f r:: ~ s s J ~ t v A C"T 1 ~ f; fl s ca s E F v i: F s r r l H ~ l (. l l v TT y "r. l L r: fHCSE F~r~ THE SECD~C ~ERF A(TlVELY E~GAGED lh ~~ACTICE Pnl:'<CC:P tiCTIVlT'r V.!Tr. FCUR PCSSfBL'V FI\E \1lEHA1"ES 1

VHUC VEN 'ASEC PILClS. PCSSIBLY A~SCC!A1ED ~IT~ THIS ACTIVITY ~~s CPY nJR

SUQVEILL~NCf FAClLlllfS REFLECTIONS BfT~EEN e91~-~Q42Z CF F:ISHl. POS~l5LY lft\ :-1GS ACTTvE r1lTHIN Al\ "PU £XTENCtNG fqQv OHGC V[N NO~lHE~ST ~2 N~, TEN EAST-~CRlHEASl 33 NM, Sf'lUIH l~. HMt EllST 31 t\1.1 ANO SOUTHEAST Tfl PH\JC ~Et-.. ALTITUDES FOP lHIS ACTIVlTV S!4!-ll48V FEET CORRELATE ~IT~ THCSF ti(Hf.CTf;D GN TtCllUL. VCICE FACrunE:s. THE EIG~T KCflCIJ~ p I LiH s ~ 0 l p I) IN l b E ttn E p c F p T l\ rr A c K pf) R 1 rn I'\ c F TH [ s A c T I v r T y WE-?. C. H! F. S A!"' f~ £ H EC T F tJ S I ti T U A f< AC Tl \I tT. V G f\ 1 7 J A N. tRFF U~J-7S£ P~~R 310 VCK-(!Pl-t7 OPG l~lqlSll SECllCN 1HREE - S'1M S lE .lN lHE PHUC NHA_C ilREfl REPCRTS TH~ S~COlOC\.."N OF CNE- PC5S£Sl'V T~O HCSfILE AtR(PAFT.

PET~EEN ~633-e1l~Z lS ~ANUAPV. ORV MULTtCH6NNEL cc~­:WUt\lC~TlONS REFU:CTEC Tl-'E P.tfC~:fED SHOOTOCWt. CF ONE, POS­SIBL' T~r AIRCRAfl BY A SA~ ~ITE LOCATED AT 22~8~ l~6f~F fV142ll. ~l f~3EZ, AN ~NlOENTlFEO SPE~~ER (POSSl~LY T~E SA~ ~EGIMENlaL CQNTROLLERt\ INFCR~EO THE LAU~CH SITE T~Af a TARGET ~AS ~NTERI~~ ON AN AZl~UTH GF 18~ OE­GP€ES. ~T 0t37Z, ANCTHER UN!~ENtIFJED SPEAK~R STATED =CA~T SEE iNYTHI~G AT ALL:. ~T 2~42Z tl ~~S PEPCRTED lhAT 1\.10 HF<GE1S I-ERE ENTERIM~ IJN\AN Al.ll"'UTH C:F 2~H3 GEGPEE=$. ~T l'rlS ll~E AN UNIDFNT!F'..f[I SPEAKER !<EPCRTED H·AT 1-'E HAO LCST Hit TARGET f>NO Ar\.it647Z P.EPOPHO ~IT ~LEW CUT 4L~EADV=. -T 2t52l, THE SP~AKER AT THE LAU~CH SlTF WAS INSTRUCEO TO P~Y ATTE~fION ~NA~ AZ!~UTH OF 2~0 TQ 21~ CEGREES, A~O Al a652 ~4Z. THE ~GU~O CF A ~tSSILE lll\Jt'\Ct-' ~.os AUCJBlf lHP.CUGH CPEr-- !>!ICf<CPHOt\f CGNCllIONS. iT r~~3Z IN A POSl LA~NOEH REPORT, AND\U~IOE~TIEEO SPEAKER REPCRlED =T~O MILLI ES EXPLODED, HAD TW~ TARGETS EXPLODE: IT WAS FURT~E~ REPORTED T~Al ONE ~TSSIL~ ~AUNCHED •HA SrTE TC T~PGCT RANGE JliT A SITE TO T~.RGEl Rhr-.CE GF 11.3 Nt\UllCAL r.I ES. CPEP6TIC~AL R~Po~is l~CJC4TE THAT u •• ?[~(TS cesERVED A lTHL CF 21 '1lS51LES. ON THIS DATf, HOWEVt\Pw 11.'0E OF THE~E SlGHllNG CCULU BE CORRELATED TC THE A~llVITY REFLECTED a~ ~ULTIC~AN~El CONNUNTCATIONS. \

(b) (1) (b) (3)-5 0 USC 403 (b ) (3)-18 USC 798 (b) (3)-P.L. 86-36

\(.p) .J..l )._ ""-1 33738 }b) ~~i Q~c ~~ . fbJ\ (3) - 18 USC 7 98

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(b) (1)

86- 36

\~21;~:::isE:~~~; ········ ··· mm · · · ·•mm (b ) (3) - 50 USC 403 (b) ( 3) - P . L . 86- 36

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-.YCK-E/P.Cf-!:7 . r-hH~Y A!P. ACllVIlY PE PCRT .. T N Fr}~MATlUN CONTA lF>EO HfREIN REPRESENTS P~ELJMINARV

i\N ~lYSlS O"f.'. S IGI NT A"J AlU\A LE TG USJ-794 AS C F 2H20vJZ JANUARY LS6"7.. SECl ICN f ou i;\.- Al R CE.FENS E ANO FLI GHT l. SlGlNT FOR \ L9 JAkUARV REFLECTED 31

. . US f ~ G ~ T 0 TA L O.F 5 <; I ~ 0 I V 1 DU Al P I EC ES

ACTIVITY FO R 19 J ANUAPV lqb7. ACTIVE RACAR STATIONS OF RA CftQ EQUIP ~ENT •

.__ ______ ,_. __ ....,. __ ...,... ...... ___ llNTER CEPT OF ORV AIP SURVEILL ANCE ~taCJLITtE S RULECTE C:"-JHNE P.AO.AR srATI GNS REPC:RTlf\:G A fOTAL GF 2 72 TR.ACKS • . T.HE SOUTHERN DP.V WAS THE ~OST .\CTIVf. AR EA \i llH A 1GT':t4.l GF D6 TRACK S REPO RTE D. fH E VTNI-: llNP. R~OM~ STAl((}N \ wAS lHE MOST ACTIVE EARLY WARNING Fi\C[l.JTY TN THIS ARE A ~ J t·H 5 1 TRAC KS REPDi;lT EO . THIS IS T HE L AR GE ST V 0 LU~£: CF TR AC·~ I NG REP GR TE 0 8 Y TH [ S S IT F. Sl!\J CE 38 TR AC K$ '-!E RE R EPOR l"l;.O 23 DECEMBE R. lHE CE.N TR AL COASTAL REGION ~AS lHE SECO~O ~OST ACTIV E ~RED ~[TH A TGTAL CF fq T~ACKS REPORTED. ~HE NA~ O!NH RACA R STATION w A S 1 HE M 0 S T ACT I \< E E ~. R L Y \!or AR N\N G FA C I l l'T Y l f\ 1 H t S A PE A HITH ~l TRACKS, W~ILE THF HUll:G V..f.N RA DAR ST l\ TI Cf\' REPOP.T EO THE RE ~ Al N IHG 18 lR4CK S. THE KNI~E REST-B RA DAR tT T~E NAM DJNH RADAR STATION ~AS RE~LECTEO TN CC~l~T AS PAOe APLY PERFG RH I~G Al l TRACKING R ~PORTE D BY THI S SITE. !i-tE NC R TH Y.E ~TER.N !JR\/ WAS THE THIRD ~·OST ACTIVE AREA ~ITH 5 E TRA CKS AEPORTE C. THE H0l XUA N RAOA8 STATrc ~. LOCATED 4~ ~ AUT(CAL MlLES sour~ CF HGA 81NH, ~ts THE MOST ACllV E El'.RLY \\,1.P. N t NG FA.CILITY I N THIS A?,fi1 l\[ T'f.~ 3.2 TRllC~S WIT~ TrE l'.lE!ll'AJN!NG 26 TR!ICKS REPGP.TED 8Y THE 'N SAN .RADAR S T AT fC ~ . f HE NORlH EASl ERN D~ V w~ s THE LEiST ACTI~ E ARFA WITH A 1CT6L OF NINE TRACKS RE PG~TEO. THE ~ACH ~· RADAR $ fl.\Tll1N REPORTED El GHT OF THE SE Tf?ACKS \.IHIL.t: . ..--.......,.-....... _ ~ i! OAR "' A

DOCID: / \(b) (1)

4133738 / tb ) ( 3 ) - 50 USC 403 (b) ( 3 ) - 1 8 USC 798

(\:( 3 ) -~.:.L . 86- 36

I ,. ·····I CENTRAL 2 • CC P I N I P. F. Fl El. I t b f ~El Vt: fl C Tl VE SAP S l TES I ti \1.., E

<'\NC Et!STfRN DR\I. 'T HERE ~E f.'E lti ?. E£ / Sfl/J Sl TE S ACT'f\V~ IN T~E GfNERal PHUC NI-AC AR EA, CN~ OF WHICH hAS \PPEVIOUSLV LOC~TE~ AJ 2~15~ l a flS E AND ~ E l~CAlEO TO 26 1 ~ ~ 1~ 556 E , G:'!E €/!Cl-! I"J Tl-F. BAC Nli\H ANO HiNOf AR!:.°'JS ANC I\ r,~'r;

~ ~ ~ 5 ~ I ~ ~ ~ ~ ~; 5 ~ L l. L ~ (,:. ~ ~ g I ~ ~ ~ ~>:'f g u ~ ~ ~ t i ~ 8 ~ ~ ~ ~; c R ~ ~\~ .. ~ f ~ ~ • THREE SAM SITES S~BGROl~Al ED 10 THE 234TH SA~ REG(~ENT l;.j~ P E- ACrtv:: IN TrE VlClllifT,-~ OF HAIPHO NG. WHIL E A S...i\lf sue.cqc1.\ATE t:: HI THE 'VI N~ AA ~ ~EGJ~ENT wAs ACTrvE 1'r-J\ n~E VlN b ftR EA. ANCTH E~ ~ E W s' ~ sr rE w- s REFL EC TE D TEN ~AUT ICAL ~··!LES sourH OF PHUC YE N/ AT 212oN t~55~~ flNO ASSIGNE,'O\ AP~! Tq A R Y STAlJQN OE St6NATOP Vl4~3. WH IL E ~NCTHEP S~ k SllE WAS REFLEC'TfO IN TH!: / SGN TAY AREA. BEH~E~N 0123 ANO \\ l 2 l 1 l , EL 1 N T 1 ~ A T s·,. ~:: q E F ·., ' f, A - :'

DOCID: 4133738

~S ~ GTCZCUNA~g C~4 2J 00~-------------.. -·-·-····-···_ ... _ .. _ .... :::. ~E ~3-yz~1~J5 ZKZK CC SOA HAH ~RL CE G 7.~1c;3uz ZYH f'.M USJ-7~1.

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......... . ·( b) (3)-P .L. 86 - 36

~-E--£:-oo"ft-+-+-~.....+-H-S EC l I CN ... JHP..f£ ... .Qf .. ··FiJUR' ... --· ( t J ( 1 l v 'i'ie V-CK ... EfRg:.::r1·· ---···--· .... (L) ( '.::· ) - 5 0 USC 4 '.:"3

ORfl t'.JNARV ~IP ~CTlVITY REPC:RT. (b)( ~> ) - lb T.I SC 798 lNFO~MATrnN CONTAINED HEREIN REPP.E5ENTS PRJ.~l_ ( '.:).~ P: "':' · 86- 36

A~Al~SlS nF SlGINT AV~ILABLE 10 USJ-794 AS OF 2~120BZ Ji\NUftRY 1'3C>7. S~CTT0N FOUR CONT 3. SIGINl FOR TH15 CATE REFLECTED EIGHT ACTIVE NAVAL µ AOAR STATtONS REPO~TING TRACKING DATA O~ 78 SURf4CE VESSELS ANO 14 AlRCR~FT. THIS lS THE HIG~EST TCTAL Gf SURFACE VESSELS REPORTED SINCE 5 JA~ WHE~ q9 PACKS WERE NOTED. THE NGA SON NAVAL RAOAR STATION REPGATEO 13 OF THE •tRCRAFT T~ACKS ANO THE CAC BA NAVAL RAOAQ STATION R~POR1ED THE R EM~INJNG ONE AJRCqAFT TR 6CKS. SURfACE VESSELS ~ERE TRAC~fO WITH ~ STATION TO TARGET QANGE OF FO UR 10 71 NMS ~HILE AIRCRAFT TRACKING RANGED BETWEEN 0NE ANO lleNMS. T~E DO SON NAVAL R~O~R STATION ~~s NOTED ~CTlVE 4NO PASSING TRAC~ING CATA FOR THE FlRST TIME StNCE 11 JANUARY. 4. THf~E WERE 56 ~IG SCHEDULfS FOR THIS CATE. H1ENTV­FGUR fOQ PHUC VEN? 16 FG~ Ha~or GIA LAM ANO 16 FOR KFP. ACTIVITY WAS SCHEGULED FOR BCTH OAY ANO ~OGHT HCURS CVEP NCRMftl COURSE TRJtNING AREAS.

~ClUJL NUMBER CF SGRllES FLOWN WAS 27, ~ITH SlX F~O~ FHUC VEN 14 FRO~ KEP ANO SEVEN FRO~ HA~OI GJA LA~. ACTlVITV ~AS NDlEC 6Et~EFN 0230-1407Z NF CCNStS1EO OF NAVIGATIONAL TMAI~l~G ANO PROBABLE PRACTICE lNTEPCEPT ~LIGHTS.

P.ET~fEN l23e-G535Z ORV At~ SURVEILL~NCE FACILITlfS REFLECTEC SEVEN ~ tGS STAGING FROM HAN DT GIA LAM ENGA~EO IN N~VlGATION•l TRAINING ACTIVITY. PILOTS FLE~ FROM ~ASE f:VEP. /IN "REA E)(lf.NUING APPROX I~ATELY t0"-~ SOUTH-SIJUTI~ ~EST ANO SEVEN NAUTICAL ~llfS NO~TH NORTHEAST. ALTITUDES FOR THIS ACTIVllY RANGED FRC~ !,56~-11,48~ FEET.

eElkEEM ~3lb-~~52Z, ORV AIR SURVEILLANCE F~ClLlllES

~cFLECTEC SIX MIGS STAGIN~ F~OM PHUf. VEN ENGAGEu IN ~hV­

rGATIGNAL TRA!NlNE OVER A~ AREA EXTENDING FRC~ UASE, ~EST SEVEN NAUTTC~L ~llES SOUTH l~NM AND ~AST-~GRTHEAST APPPOXJMATEL Y l0N~S. ALTITUDES FOP THIS. ~CTl~ITY RANGES FPO"! 13. lZi!-19.6H fEf.1.

BEl~EEN ll47l-14~7Z GRV AIR SURVEILLA~CE FAC1LITJES

DOCID: 4133738

CffLECfE D 14 MJG~ SlAGtNG FRC~ KEP ENGAGED I~ PPCeAeLE PDA CTJC€ INTER CfPl TRAfNlNG C VE ~ T ~O SfP ERAlE AR EAS. O~E AREA fNVOLVl~ C EIGHT ~lGS, F.XT cNOEO FP.O~ KEP SOUTH EAST 2~NM , THEN ZBNM SCUlHhEST, NCRTHWESf l3N~ ft~O NCRTH­NOPT h( ASl rn ease. 1HR SECOND C CU~SE WAS FLC~~ BY SI X ~l~S dNC EXTENOEO OVEP tN AREA FRO~ BISE NORT~hEST 6eNM l ~E N EAS T 47NM, sru tH SO UTHE AS T 25 NM ANO s ~~lHh ES T

~~~ ~ TO BASf. ~EGOT!VE ALTITtDES hERE Pf. FLECTfC FOR THF S CU THER ~ l ~ Al N l ~G CGUPSE ~HlLE ALTJT ~OES FG R TH E NCP lH E R~ COCRSE R~NG

(\fi) ( 1) .{b ) (3 ) - 50 USC 4 03

,/}b l (3) - 18 USC 798

L.p..----,..,..,~l"""""l""""l~J l""'C!'!""""IN~: """"'"· E:""': -:c~· ~l;i~' R~S:~_ L~A:""i~E~-D~T~O=:--:~~!:-:G:::-.·, .. ~·,· .. >~fl ... : .. c (_b) . (? ! -:-~ . L . 8 6- 3 6

SEC11CN r.1vE t.C1IVE ~A ~ SJHS THE F 0 LLO~ J N G SA~ SITES HAVE BEEN NOTEU ~CTi~t t~ THE PA ST SEVEN CAYS. REA C AS N-CCOR D INATE S-CE~~~~URCE-LAST HE6RO (Alf/REMARKS. // / Vl 4 ~6 1 E 51~ 1 ~ 527E T~O CO~!NT 19 ~~~ j v l 4 4 4 l a 5 a M l IJ 5 2 4 E 1 \!. 0 c 01'11 N T l 7 /J ~:N / Vl-4 52 2i';:5 rJ l!i551E HiC· CC~[NT l <i J:~N/ V 1 4 4 1~ 2 f. ·~ 5 N l ?. 5 5 & E T \-> 0 ( 0 M [ N T J-·t; _..j Af'y/ \il42l 2e.Z 8N 1 ~6g3E HC CO~IN"f / 19/ JA.:N Vl 4 ;t ??. l~N U:~ 55tE "fHPEF. CQl"!tH / 19° J~N v l 4 4 2 2 ~ l :} N 1 G s 4 e E T lo 0 I r ~ .. c; i A N V 14?.2 2!, 46 t.' \J6'.H E F 1 Vf. EGM INT /l 9 j~t-\ Vl'i?5 2 ~ 49N H~6~tE T~G D ....... l8 / Jpr\ Vl ~ ~5 2C 47N 1 ~ 55~E r~E . l ~ JAN Vl4~2 2 ~53N !~554E C~E ld JAh Vl 4 22 2 i-'. S3N I;}6lJE T~ O CO~HJT t :e Jf.N Vl 4 41 2&54N 1 ~ 5 51 E T~O CQ~[NT je JAN Vl4?1 2~ 56N l 0637E T~C CO~INT / lQ JA~ Vl 4~D 2 :;; 5 6N l ~ 64 3 E T~G CCMPH / l Q J/IN Vl4e4 2 e5SN 1?.651E T\.10 QC .. / l R JAN Vl A23 2 a sG~ l~ 551E ONE l g JhN Vl43; 2 lf8~ 1 ~ 55~E l~C I 19 JftN Vl4~1 213SN 1~52EE ThC COM1NT l S JAN V! 43~ 2!1 ~~ l?55f~ TH PEE COM tN T l Q J6N Vl4S3 2l26N lr5SV.E T~G (OMINT l9 J~N 12?

DOCID: 4133738

~<;,I" (b) ( 3 ) - P . L . 86- 36

00 ,.....~~ ...... .--...... .--~~~~~~ ......

0 E 4 ___ i) 2 01 c; 3 5 l K K s 0 A H-AR' -!\'RL__ 0 E G 2 ~ l S 3 e l l Y 11 ----F ~ USJ-7:;4 ··--.. TC O SC~R SlX/GOLF ··-... --....

. F T t\ A L _S_E_C-l-I-D-N---Cf----r-01JR·--------------------:::::~~··1 ( 1 ) VCK•-EfR9~-6t _________ --- _/ (b )\ ( 3) - 5 0 USC 4 03

!EM

Nlll:!'V ArR .b(TI\llTY REPGRT. __ / (b).''{J) - 18 USC 798

lNFORMl\TlON COr\lAlNEO HEREIN REP~ESE.N"fS H (_bJJ:,~ ) -_P_ . L . 86- 36 tl NflLVSIS OF SJGlNT t.VAILABLE TC USJ-794/ AS OF 2iH2 fli:' Z JANULIRY 1967. - \ S ·CT \

DOCID: 4133738

(b) (1) ·-(b) (3) - 50 USC 403 (b) (3) - 18 USC 798 (b) (3) - P . L . 86- 36