DOCID: 4132731

(b) (3) ~.L. e6 36 '

/ . :\ : ........ _ ' .< , . :./ . . ...... ;.,,., ..

• CATEGORY = 2

•MESSAGE = 1'2726254

. DE d · l·1s2ss.11 ss122u

ZNY\MMNSH ZKZK rr SOL ZSL DE.

'p B720'BBZ JAN 7 5 FM DlRNSA TO 'flSA.ITl\NGO- ·At:f'A .,

TBP SEERET l:J!lftfth

t7

ZEM ·. ..· ··-;.. ·rep 5<E;·e R ET t:IP1BRA SECTION 1 OF 7

XXMM .,,-__,.

M = 54

EUPS1-0.075eff7 ISllTARC IN PARAS Ml\RKED> 31'00.1457-75 CSTY) NATIONAL SECURITY .AdEHCY SOUTHEAST ASIA SIGlttT SUMMARY . xxcc . .,.

THIS REPORT SUMMARIZES DEVELOPMENTS NOTED THROUGHOUT SOUTHEAST ASIA AVAILABLE TO NS/\ AS OF 7 JANUARY 1975. INFORM/\TIOfl IN THIS REPORT IS BASED ON SIGINT EXCEPT WHERE INDICATED. SITUATION SUMMARY AN NVA ELEMENT REPORTED THAT A Cl23 AIRCRAFT HAD BEEfl LOST IN SOUTH-CENTRAL SOUTH VIETNAM ON 3 JANUARY; COLLATERAL CORROBORATES THE LOSS OF THE AIRCRAFT. IN BIUH DUONG PROVINCE, THE NVA 2ff8TH REGIMENT IS REPORTING LATE DECEMBER ACTIONS AND TOLD TO DE ALERT FOR ARVN SHEEP OPERATIONS. FARTHER SOUTH, PART OF THE 6TH REGIMEHT

. OF THE VC STH DIVISION HAS REPORTEDLY MOVED ALTHOUGH MOST ELEMENTS OF THE .. ·REGIMENT AHO THE DIVISION REMAIH IN TUYEN HHON DISTRICT OF KIEH TUONG ·'-·P.ROVIUCE. <ISHTAR> IN CAMDODIA, THE COMMlltHSTS' COllTINUE THEIR ATTACKS,

ESPECIALLY AROUND PHNOM PENH CITY AND SOUTHWARD ALONG THE MEKONG RIVER. FANK FORCES /\RE REJURUING THE ATTACKS BUT THE KC STATE THAT THESE l\TTl\CKS ARE INEFFECTUAL. SEVERAL KC BATTALIONS HAVE BEEN HITHDRl\HN FROM OTHER BATTLEFIELDS

AND SENT TO lHE PHNOM PENH AREA BUT THE KC ALSO--_REPORT.~THAT THE FANK TOO HAVE SEtlT /\DDIT!ONAl BATTALIONS TO PHNOM PENH. ( SE6RET SP.Bl(E ISllTAR) I. so(Jrn VIETNAM MILITARY. SITUATION 1. MILITARY REGIC:ifl 1 THE HQ, 812TH REGIMENT, NVA 32<1B DIVISIOll HAS DErn NOTED lH SPORADIC COMMUNICATIONS l-IITH THE HQ, MILITARY REGIOll TRI-THIEU SINCE 22 ·DECEMBER. THE REGIMEtHAL HEAD- QUARTERS CONTINUES TO COMMUNICATE WITH ITS DIVISIOH HEAD- QUARTERS AHD THE HIGH COMMAHD OF THE ARMED FORCES OF NORTH ·· .. VIETNAM. THE R.E·ASON FOR THE INITIATION OF THESE COMMUUICA­TIOllS IS UllKllOl-IH •. <Sl!eRi!"T SPEU~t-) 2. MILITARY REGION 2 IN A ROUTINE 6 JANUARY SITUATION REPORT ~OVERING ACTIVITIES IN VARIOUS AREAS OF SOUTH VIETNAM, AN UNIDENTIFIED . NVA ELEMENT DISCLOSED A LISTING OF PERSONNEL PROBABLY ON BOARD THE C-123 AIRCRAFT THAT HAS LOST OVER SOUTH VIETNAM ON 3 JAHUARY. THE CREW MEMBERS AND PASSENGERS WERE LISTED AS . ONE AMERICAN f.l.LIIT, THREE CHINESE flATIONALISTS, ONE FILIPINO AND THREE SOUTH VIETNIME~OM GVN MR 3. THE CURRENT STATUS, LQCATION OF PERSONNEL AND THE CAUSE OF THE AIRCRAFT LOSS WERE NOT DISCLOSED. ACCORDING TO COLLATERAL, A CHINESE- OWNED C-123 TRAHSPORT AIRCRAFT, LEASED DY AIR AMERICA FOR U.S. EMBASSY HORK, HAS LOST OVER SOUTH

_VIETHAM ON 3 JANUARY\, Tl~E PERSONN'e'L Otl BOARD, HITH THE EXCEPTION OF AN . ADDITIONAL VIETNAMESE, ARE THE SAME AS THOSE DESCRIBED ABOVE. THE PLANE HAS REPORTEDLY ON ITS HAY TO THE EAST COAST CITY OF NHA TRANG FROM DALAT AflD DISAPPEARED ltl POOR F~G HEATHER l-IH!,CH IS CURREIHLY LIMITIHG SEARCH ... -~::;::7 OP~.RJ\TIONS THERE. C2 2ff-75, B6121SZ'"•J-l\N; 22-75, ·ff7ff827Z JAIO ESE!SRET 61!Bltf!) .3. MILITARY R ON 3 THE HQ, SVllLA REAR SERVICES AUHIORITY CRSA> HAS RECENTLY ESTABLISHED DIRECT COMMUllICATIOflS WITH TACTICAL UNITS FOR THE FIRST TIME. THE RSA DEGAN COMMUllICATlllG ~IITH THE SUSPECTED HQ, VllC 3RD DIVISIOt.l IN

@'pp roved for release by l\JSA on 07-21-2014. Transparency Case# 65886

DOCID: 4132731

·- --~,-

... ., TBP SEeittfT_.:::~l'IBRA

/ ... · ..... ··· .

(/'

LATE DECEMBER AND IHTH THE FORHl\RD ELEMENTcC:Ef'l-S3l-/ VC 5TH DIVISION ON 1 JAHUARY 1975. PRIOR TO THIS, THE RSA HAD COMMUNICATED ONLY WITH THE HIGH COMMAND OF THE ARMED FORCES OF llORTH VIETNl\M AND 115 mm REM~ SERVlCES GROUPS. THIS EXPAtlSIOll OF COMMUllI- CATiotlS TO THESE TACTICAL utlITS IS PROBABLY JHDICATIVE OF IHCREASED SVHLA LOGISTICS SUPPORT FOR THEIR TACTICAL ACTIVITY. CISllH'•R) ON 31 DECEMBER, Atl ELEMEUT OF THE NVA 21f8TH REGIMEIH, vr~c 75TH ARTILLERY DIVISION RELAYED INFORMATION OBTAINED FROM CIVILIANS REGARDING THE ATTACK ON Tiff "DINH DUOUU DRIDGE." THO SPANS WERE DROPPED IN THE MIDDLE OF THE BRIDGE AND THE ARVN SUFFERED FOUR KILLED, WHILE COMMUNIST LOSSES WERE TWO KILLED. COMMUNISTS FORCES CAPTURED EIGHT Ml6'S AND TWO PRC-25 RADIOS. ACCORDING TO COLLATERAL, COMMUNIST SAPPERS DROPPED THO SPANS OF THE PHU CUONG BRIDGE CC1~58N lff639E XT8Sl3>> ON 28 DECEMBER. THE 2"8TH REGIMENTAL ELEMENT NEUT ON TO Nl\RN OF ARVH SMEEP OPERATIONS AND RECONllAISSl\UCE BEIUG CONDUCTED BY

ARVN RAHGERS TO LOCATE COMHUttlST ARTILLERY POSITions. UUITS WERE ADVISED TO GO ItlTO A HIGH STATE OF READrnESS. <I3HTAR) ( 5EeR~f 5.F!~KE HllTt\I" XGDS-2 XXHH 18285 (_ .J :·_/

T9P

-7'

,,L ... ..... : ·

.. - - - . - - - - . - - - - - - - --- - - -~-='.~~- --· -- -

-- -. 1 ·