\(b) ( 1)

/~;99iGIP ~~~ ~~~77 s ( b) ( 3) - P . L ~ 8 6- 3 6---

•

' C:J\ T [GORY = 2

TBP SEEl~ii=f· l:Jl18R1\ i. c:::---=- . -

, . .

~ .... :-.·

_, . : ·:

M - 431 ' . '

·"'< ...... ~:: .. . ' -" .

·=:

:,._ I

,......,,..DE,,,_~~..,.....~~~~~,---~~----o

. )_: __ -

r-:8::""1;-:Co;""""";2=:-:o2~2~2~2:"Tl-:;3'""."IF'ITK""-""K "'"1p~_ ~-,R'l"l'lr.IF""""l';"'lll"'""l'l""""~~~.,......,"'T., l"""'I'~ RN SA TO ~ 0 SCA RI'. ZE1 T B P 5 E e R E T 'fRIUE--SECU.Ql·I FIV.E XXMNEllPif5-TIHJ9088 3/0 -.-111\T.IOIML SECURITY AGEMCY sou'i'.•f.IEEsf_A_!UA_sIGrnT SUMMARY xx c 01· c El-IT l~ITH· THE_ RELOCETIOllS OF TtlESE MAS COSVll TERMINELS, HIE HIGHEST MESSAGE VOl.UME SINCE 23 -·_, Jilly l-IAS OBSERVEU 011 THE MAS COSVll COLLECTIVE FACILITY SERVIllG TlfE IULITARY ·' REGIOll HEADQUARTERS. AIJDITIONALL y, 011 8 AllGli:iT MA:; co:;v11 EXCH/\NGEU A IHGH . VOLUME OF tlE:}:>f,GES MITH THE POSS IDLE Ht~, NV/\ 7TH DIVISIOll. AL TtlOUGH i HIE VOLUME:.· EXCHAllGED Otl 8 l\IJGU:;r l·l/\S THE LERGE5T SINCE 11 JULY. HIGH VOLUMES l·lrnE AL:;o. -EXCMl\.J,J.G.EJ) DY MA:i COSVll AllD HIIS Dl\(~SIOll MEADQUl\RTERS 011 2 AllD 3 AU(mST. ' CV0"1......J1na.~-6a. Rl36-68. 2/"GJSVVCM~Rt191-68, 01Hf635Z. Rt19SJ-68, S8Ul.3Z) - . ESE6_RET SA)'.IIO II. llORHI VIETNAM IL ItffIL TRETION ACTIVITY DURING THE FIRST . ' SEVEN DAYS OF AUGUST, COMl-IUIHCl\TIOllS ACTIVITY 011 THE SU:iPECTED tiQ, Billli TRAM . ,. C BT) 7 COMPLEX Hl\VE UEEtl SL IG~ITL Y DEL OM llORl·IAL. THIS IllCLUDES DOTH f,_ DECllEESE' ._ IN THE tlUMBER OF CCMMUHICATIONS SCHEDULES END "THE HUMBER OF SUBORDINATES HITH: 1 MHICU THE HEADQUARTERS COMMUllICATES. THE SUSPECTED HQ, DT 7 MAS LOCATED ON 31 ·: 1 . JIJL Y APPROXIMETEL Y 8 KM SOUHll~EST OF A LUOI, llEAll 16-1611 HJ7-ff6E CYC. 27 3993). ': TllE UllUSUEL LY HIGM MES5AGE ACTIVITY OBSERVED Ill JULY UN THE PRODADL E: HQ, 559TH ,;: . TRMISPORT/\TIOI~ GROUP DROEllCl\ST Fl\Cll ITY HAS COllTillUED THROUGH HIE FIRST EIGm ·; DAYS OF /\UGUST. I\ TOTl\L or- 2?-.7 ME::iS/\CIES HAVE nEEtl SEllT VIE THIS rf\CIL ITY SIUCE; l JUL y. 55 OF THE:>E lii\VE Il[El-I onsrnvrn HI AIJGU5T, REl'nE5EIH JllG Al'F'IWXIM/\HL y l llE SEME DAILY AVER EGE AS IN Jill Y. ( 2LG.U.IV:Cl·IYR896-68, 08U235Z) l St:Cl?ET SE'ti-HO THE" TOTAL OF urn Il-lf'IL TRATIOll GROUPS FOR AUGUST REMl\IllS AT FIVE. st·REtlGTH:i AV1HLEBLE FOR FOUR OF HIESE GROUPS IllDICATE E M"!IHMUM OF 2,1C13 MEii. A 29 JULY REAR SERVICES MESSAGE PROVIDED THE IllITIAL SlGitlT OllSERVAllCE OF MORKCAMP 14. -, HIE MESSAGE REPORTED TUAT 2791 Alrn 2591 SICK AllD l·IUUllllED PERSOllNEL "HAD BEEU PIWCESSED THROUGH MORKCAMPS 12 C POSSIDL Y LOCATED Ill Tl-IE VICI III TY OF· tlflM DAN, 18-{1311 Ut5-3SE, MF 53f17) AllD }(1 CUllLOC/\TED>, RESPECTIVELY, IHIRillG nrr: PREVIOUS SEVEN MOllTMS. THE llULK OF TllOSE PERSOllllEL 1rnTED Pl\SSlllG HIROUGU l·!OHl~Cl\MP 12 ARE PRUr./\BLY THE Sl\ME "~ TllOSE llOH:D Pf.SSilllj THROUGH MURKC/\MP It1. HIE 110rnm1r.F:() MOVEMENT OF SICK EllD l·IU:JllDED PERSONllEL llES llEEN NOTED FROM T-15 TO T-13 VIA 'T-14 CALL rn LAOS). AFTER EllTERillG llORTH VIETllEM rnr::;r: PERSUNllEL ARE EPPAl~ENTLY

_MOVED THROUGH ,A SERIES OF l-IORKCAMPS, RATHER THMI COl·IMO- LIEI:iOl-1 STATIOllS. ' E:iE,E~Ef SMtllll n. llAVi\L FOP.CES IJETMEEN llt13Z AllD.1611Z 011 S AUGUST. TliE llORTH VIE'HIEMESE tlf\VAL CllVl!ll) RADAR STATIOll 011 c"c BA ISL"ND C23-f13tl UH-SC1[, YH 135913> TRACKED THREE SMALL "FRIEllDLY" COMBAT VESSELS IN THE GULF OF TOllKill APPROXIMATELY OllE MILE SOUTH OF CAC DA ISLAtllJ. TllESE VESSEL:i MERE OBSERVED IN THE AREAS OF 7.J-38-3311 U'7-BIJ-iHfE CXH 2'182>, Ill THE VJ.Cli-IITY OF LOllG Ctl/\U !JL/\UD EllD 20-f17-3;J HJ7--"2-HllE CYH 129G >, Ill PROXIMITY TO Tl-IE RADf,R :iTATIOll. ntE ABOVE ACTIVITY IS PO:>SII>L Y RELATED TO HIE APPEARAllCE OF TllREE llEl-1

TQP, s-EErRET l:ll1BR?• • ............ #

@'pp roved for release by NSA on 06-05-20141 Transparency Case# 6588{}- -

. ..

I ., ;

.. ~

_i

;~

" ·' ·' •', ·i.· I>-L

I ()\) -·

' ~

,· ,.

. , .. ' .: ..

I I,, I '

•

.;lilhjlij1/~ttif/i~!IW . .Ju .• lit I ...

·;; I (b) (3f ~· '6-36

'·

i

( . _ l:ti,: ~ . ,.-- .

\, ..

(p) ( 1 )

(bl qq~~p ~~~ ~~~77 5 (b) '~' - - - - - ·--( b ) ( :3) - P . L . 8 6- 3 6

1\. ..

I 01' . .,~eff:Ef t:JllHRl1 ·.;.,,,....- ~- --·

IJlllDC::llTIFlEll V[JJElJ 111 Til[ IHJIHH[IUl nr:n COMM[tlD GROUP IJUHlllG EAl~l.Y l\UGllST . l\'.i 1•1-n.:v lUU'.S.L y REPUl