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D 93C 3522311 • ..,__...,. ""., l"""Flm-r"'"'K"l~:"""1"'91lillilil"'i"""iFr:iMii"""i'D"I"lili'ISi>':Ai'""""i·T;o;;01."'0S;;:-;e;;-;Ali:;-;;:;;~iiHiiI F;:;O;;;R;uM1. 'TTA~NGO ZEM T B ,-t"..: 5.., E e:)t E f HtU•RA SETIDN TH!JEE XXMMENP93-TB11123··3;10 8312-68 tlATIONAL SECURI"TY AGEtlCY SOUTHE~ST ASIA SIGINT. SUMMARY XXCC INTH IIW-BltlH IJltlH PROVINCE BORDER AREA, ON 16 AND 17 .. DECEMBER, ELEMENTS OF THE H VA 958 REGIMEIH DISCUSSED. FORTH­COMING VIETNAMESE COMMUNIST OPERATIONS SCHEDULED FOR "D-DAY tlUMBER JHO" AGAIHST ALLIED FORCES. ON 16 D ECEMBER, THE PROBABLE REGIMENTAL FORWARD ELEMENT ~M4583)' RECEIVED A PLAN FROM ITS PROBABLE SUBORDlHATE rlM4585J .. THAT CONCERNED THE UTILI ZATION· OF FORCES FOR D-DAY NUMBER TWO. ~THE SUBORDIUATE STATED THAT THE lST COMPANY WOULD BE REINFORCED WITH A B-41 ROCKET LAUNCHER WH ILE THE 4TH COMPANY HOULD BE DEPLOYED TO BOT U (UtlLOCATED> FOR AN ATTACK AND THAT AMMUNITION EXPENDITURE FOR THIS ATTACK HOULD BE LIMITE D TO 29 ROUNDS. THE SUBORDINATE INFORMED THE PROBABLE FORWARD ELEMENT THAT THE lST COMPANY WOULD OPEN FIRE WITHOUT "X-17" DR THE 15TH C OMPAtlY. ACCORDING TO COLLATERAL, X-17 IS AN ENGINEER-SAPPER COMPANY SUBORDINATE TD THE GIA LAI PROVINCIAL UNIT <PU>. ON 17 DECEMBER TH E SUBORDINATE·HAS DIRECTEn TO HAVE X-17 CONTINUE ACTIVITIES WITH THE lST COMPANY OF THE !ST BATTALION UNTIL 211 DECEMBER. AT THAT TIME, WllILE AT LEAST ONE DF-lHE LARGER ELEMENTS IS TO RETURtl TD THE REOIMENT.S LOCATION FOR POLITICAL REQR!ENTATION, TWO SMALLER ELEMENTS AR E TO BE LEFT BEHIND TD CONTINUE OFFENSIVE ACTIVITIES"THROUGH 5 JANUARY 1969. ACCORDING TO THE PROBABLE FORWARD ELEMENf,· THE lST COMPANY WILL BE USED TD ATTACK SECTIONS OF HIGHWAY 19 AT XA HUONG (PROBABLY REFERRtNG TO THE OAK XA WOtlO BRIDGE NEAR 13-57N 198-29E, BR 288454 > AND DAC DD ;<POSSIBLY REFERRING TO DAK PO STREAM WllICH CROSSES ROUTE 19 NEAR 13-59N U8-32E, ·BR 337461> ".F.ROM NOH UNTIL 29 DECEMBER" I N"'CONJUNCTIDN WITH X-17. IN ADDITION,. ATTACKS DURING THE PERIOD 18 TD 28 DECEMBER HILL BE CONDUCTED BY A COMPANY-SIZED ELEMENT WHOSE INS TRUCTIONS HERE lf·~ESTROY 11

~irlckP h~~go~~~I~~~ lN~E~~~" Qu8¥: 1 f.1~ L f~Bi0 s 2~E~~g~~~E:N~Hf -~n~~~~E~5~rn~. 21 TO 29 DECEMBER THE ATTACK ·ELEMENT WILL AGAULBE .:COMPANY-SIZED A,tm'.,Jlf{:'·QU1HA U VEHIC LES AND l HEAPON. IN THIS SAME 17 DECEMBER MES~AGE lHE\ 15111. c·oMPANY l·IAS l:'

DIRECTED ro· BE PRESENT AT "A-12" CPOSSIBL~"-li~ THE V,l'.C'INITY OF l _.3:..·47N llJ8-39E, BR 4625) ON 21 DECEMBER TO RECEIVE A HEH ·:Ml5SIOtf. 1HE PROBABLE -.REGIMENTAL

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_FORWARD ELEMENT HAS LOCATED NEAR 13-49N :UY8- 21E (BR l .. ~8292) ON ll DECEMBER AND THE PROBABLE SUBORDINATE HAS LOCATED NEAR 13-49N U8-2,2E <BR 155288) ON .l ,.,•;'"' -~,"·: DECEMBER. THE P ROBABLE HQ, NVA 95TH REGIMENT llAS CEASED COMMUNICATIONS. TtlE ~.. _.\ REGIMENTAL HEADQUARTERS HAS NOT BEEN OBSERVED COMMUNICATING HITH HQ, MR $ MAIN , FORCE UNIT CONTROL <MFUC> SINCE 11 DECEMBER AND CEASED COMMUNICATING WITH HQ, • VIETNAMESE COMMUNIST SOUTHERN SUBREGIOll css·R> ON 15 H OVEMBER. TllE PRODA;BLE llQ, .:•",' NVA 95TH REGIMENT HAS NOT BEEN LOCATED BY SIGillT SINCE 14 NOVEMBER, WHEN IT WAS IN THE GENERAL VICINITY OF l 3-26N 197-26E <YV 629855>, IN THE PLEIKU-DARLAC

·- TBP SEERET YHBR11

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DOCID: 4123911

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PROVINCE BORDER AREA. THIS LACK OF COMMUUICATIOHS ON THE PART OF THE REGIMEfH SUGGESTS THAT IT MAY BE RELOCATING ALTHOUGH ITS CURRENT DISPOSITION REMAINS UNKNOWN. A PROBABLE BATTA LI OH fMSJS7.6J, OF THE 95TH REOIMEHT, CURRENT LY MAINTAINING COMMUNICATIONS ONLY WITH THE HQ, VIEfNAMESE COMMUNIST SSR ANO TllE PHU YEN PU, WAS LOCATED NEAR 13-B8N 1B9-16E CCQ 1B852B > ON 16 D~CEMDER, l~ KM EAST OF IfS 12 DECEMBER LOCATION IN COASTAL PHU Y'EN PROVIHCE. XXHlf 9i!B NNNN

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MESSAGE = 1188711399

M = 177

l~D 3522388 ZKZK PP - z f " e 3 E e Jt E f tl'11BlfA

R3(2-68 NATIOllAL SECURITY AGEllCY . ~~ ........ ~T.HE tlORTHERtl PROVI tlCE OF QUANG HAM, llQ,

FRONT 4 REPORTED TO HQ, MR 5 MFUC ON 16 DECEMBER THAT IT HAS ABOUT TO MOVE. THIS HEADQUARTERS WAS LOCATED IN THE CENTRAL PORTlOtl OF TllE PROVIllCE 011 16 DECEMBER, NEAR 15-45N 117-52E .CZC 876435), 15. KM,_ SOUTHWEST OF THUOllG DUC SPECIAL FORCES CAMP. C 2/C:rlUVCM?IR384if-68, l6'214ifZ;~_R31!137-68, 1612i!15Z. R31136-68, 161111Z. 13129"'.'68, 17871iJ5Z. T3128-68, 17ifS·if5Z. 1317.1-68, 161237Z. T3128-68, 16 1235Z) ESESRET 5P9KEJ 5. MILITARY REOIOtl.18 All UNIDEllTIFIED TERMINAL <CMl71'8>..;, WHICH WAS IHITIALLY tlDTED IN COMMUiUCAT IONS ON 2 JUNE, WAS LOCATED IN CENTRAL PHUOC LONG PROVINCE NEAR ll-41N lif7-d2E CYT 232918> ON 16 DECEMBER, APPROXIMATELY 36~ KM NQRTH OF ITS 12 DECEMBER LOCATION IN NORTllERN LONG KHANH PROVINCE. ESEE;RET SP.BKE) 6. HAM 80 SUBREGIONS ON 16 DECEMBER, HQ, VC 274TH REGIMENT AND ITS POSSIBLE 3D BATTALIOtl COllTIHUED TO DISCUSS ALLIED ACTIVITIES. THE BATTALIOH STATED THAT THE "EHEMY" HAS SHEEPill G TllE AREA ALONG ROUTE 15 AND THAT TROOPS HAD LANDED AND STRUCK THE AREA OF THE RACH MAY AND RACH TOI CROSSROAD.S CBOTH UNLOCATED>. PLAN ES AND ARTILLERY ALSO STRUCK THE AREA OF THE BATTALION. THE HQ, VC 274TH REGIMENT WAS LOCATED IN WEST-CENTRAL LONG KHANH PROVINCE ON 9 DECEMBER AND THE 30 BATTALION HAS LOCATED IN HESTERN BIEN HOA PROVINCE ON 15 DECEMBER. MEANWHILE, IN NORTHERN TAY NINH PROVI NCE THE PROBABLE HQ, 96TH ARTILLERY REGIMENT REQUESTED RESULTS OF A STRIKE AGAIHST AN UNIDENTIFIED TARGET. \.ON 17 DECEMBER, TH E PROBABLE HQ, VIETNl\MESE COMMUNIST 96TH ARTILLERY REGIMENT REQUESTED AN UNIDENTIFIED SUBORDINATE 'TO IUFORM THE REGIMENT THE RESULTS OF, AND THE AMOUNT OF AMMUNITION USED l~-A STRIKE CONDUCTED BY K4 CPROBA~LY THE 34TH ARTILLERY BATTALION> AGAillST A TARGET DESIGNATED "M3.n THE MESSAGE ALSO INCLUDED AN ORDER TO TllE SUBORDINATE TO HAVE K4 FIRE "THE ONE BDl ROUND" CNOT FURTHER IDEHTI;FIED) ,JiHTO "M3." C2/·GlliJ7

-=:.·.-vcMl'>T2446-68, ···HJ445Z. T2445-68, 161956Z) t5EeREf SPOKE) 7. MILITARY REGION 2 ON 16 DECEMBER·,·-THE PROBABLE BEN TRE PU H AS 'LOCATED. IN VIET COHO <VC> BASE AREA 474 IN SOUTH-CENTRAL ~I~N HOA -PROVINCE, NEAR lff-liJ6N lff6-21F. CXS 468169). ,, .

. THIS CURRENT POSITION PLACES THE UNIT APPROXIMATELY 13 KM7SOUTHHEST OF ITS 29 ,_NOVEMBER POSITION NEAR lr.:..u"N ·U6-26E (XS 568a45). (6E€RET SPBKE> 8. MILITARY

· REGION 3 ON 15 DECEMBER, THE·':PRDBABLE MILITARY' AFFAJRS SECTION CMAS> OF THE CAN THO PROVINCIAL COMMITTEE MOVED BACK TO ITS.21 NOVE~ER POSITION I" CEllTRAL CHUONG THIEN PROVINCE NEAR .t/N UfS-28E <HR 523627}, ABOUT 14 KM l~EST OF ITS lff DECEMPER POSI TIDN. (31'0 R297-68> ESEERET SPBKE> ON 13 DECEMBER, THE SOC TRANG PROVINCIAL COMMITTEE WAS LOCATED AT if9-28N 195-3 6E <HR 659462> IN

-• WESTERN BA XUYEN PROVINCE, APPROXIMATELY 37 KM EAST OF ITS 21 HOVEMDF.R LOCATION IN SOUTHERN CHUONG THIEN PROVINCE. TENTATIVE SIGIHT INDICATES TllAT THIS

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RELOCATION PROBABL y OCCURRED AS EARL y AS 3 DECEMBER. (§E~AET .~·pe~e) II. NORHI VIETNAM A. INFILTRATIDN,LOGISTICS ACTIVITY REAR SERVICE~ COMMUNICATIONS OF 13 AND 15 DECEMBER REVEALED THE INITIAL NOTATIONS OF GROUPS 2984 AND (4)936, RESPECTIVELY. GROUP 2'8'i WAS REVEALED TO BE GOING DOJ-m TO T-17 <LOCATED IH tlAM THANH 17-SSN 196-27E, XE 5382) BY TRAIN WITH A STRENGTH OF 559 MEN AND GROUP <4>836 HAS REPORTED AS BEING RECEIVED AT T-13 CNGHE AN PROVltlCE). TllE TOTAL OF HEH GROUPS OBSERVED THUS FAR IN DECEMBER IS RAISED TO l~. XXHH 999 NNNN

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!5CTIDN SIX XXHMENPJf6-TB17128 31'0 -R3(2-68 HATIONAL SECURITY AGENCY ___ - , UTHEAST ASIA SI<~INT SUMMARY C H UNIDENTIFIED UNLOCATED EUTITY cCM4839) - --

WAS FIRST OBSERVED IN COM MUNICATIOUS ON 12 DECEMBER OH THE WATCH FACILITY OF THE HCAFNV EXTERNAL MAINLINE COMPLEX. ON 15 DECEMBER, HQ, SOUTH VIETHAM PASSED A 5-PART "VERY URGENT" MESSAGE TO HCAFNV. THIS MESSAGE HAS COMPRISED OF POSSIBLY <31-'"6=-GROUP--51 csr:e_RE'f SP.ttKt> 2. MI LITARY REGIOtl 4 ON 14 DECEMBER. HQ, QUANG BINH PROVINCIAL UNIT ATTEMPTED TO COMMUNICATE WITH AN UtlIDEtlTIFIED MAJOR HEADQUA RTERS (864-iJS); WHICH WAS LAST tlOHD IN COMMUNICATIOHS HITH HCAFNV AND HQ, flILITARY REGION 4 ON 28 NOVEMBER. RECENTLY AVAIL ABLE 14 DECEMBER COMMUNICATIONS OF·THE QUANG DINH PROVINCIAL UUIT CQBPU> REVEALED THAT AN ALLIED "PSYCHOLOGICAL WARFARE" MESSAGE HAS ENT ERED COMMUHIST CHAHNELS. THE SUBJECT MESSAGE HAS REPORTEDLY FORWARDED TO QUANG DINH PROVINCE BY AN ENTITY "D9" IN NGHE AN PROVINCE. ITS CON~ENTS WERE STATED BY THE COMMUNISTS AS BEING "EXTREMELY REACTIONARY." SPECIFICALLY, THE ALLIED MESSAGE PASSED ON CHAIRMAU HO CHI MI NH.S HISHES FOR A HAPPY NEH YEAR, AND ALSO CREATED POSSIBLE "ILLUSIONS OF PEACE." THE QBPU ELEMEtH FURTHER DISCLOSED THAT SOME PARTY CA DRE llAD EVEN SIGNED AND MEMORIZED THE DOCUMENT AND TltAT FUTURE MESSAGES OF THAT TYPE HERE TO BE PROMPTLY DESTROYED) IN OROER TO PREVENT T HEM FROM BEING DISSEMINATED THROUGH PARTY CHANNELS. <SEEAET SP9KE> III. LAOS A. REFLECTIONS OF AIR ACTIVITY THE FD LLOHING IS A CHRON~LOGICAL LISTING OF AIRSTRIKES AND RECONNAISSANCE ACTIVITY NOTED IN ODRS/SS9TH COMMUNICATIONS. DATE/TIME ORDNANCE/ OF ACTIVITY AIRCRAFT TARGETS REMARKS 13 DECl'2282- 81280- F4C2) FORD HE BOMBS CS SALVOS> CUNLOCATED> FRAG BOMBS CS SALVOS> 14 DECl'B225G F-25K CDC MAC TO KM 62 AND UP TO KM 15 RECONNAISSANCE 82450 ov-1 Cl> PASS CU/I) TO coc MAC RECONNAISSANCE 94190 B-26K COC MAC RECONNAISSANCE 14410 F4 (1) KM 62 PHOTO RECONNAISSANCE B61IG OV71 Cl), F-lSf (1) TA LE RECONNAISSANCE 86450 OV-1 <I>, F4 (4) FORD HE BOMBS C4-SALVDS> 97350 F-111 (8) FORD HE BOMB S C8 SALVOS) 8838G F4 Cl> PASS AND COC MAC _ RECONNAISSANCE l625G A3 D <l> ---- RECONNAISSANCE 16250 F-lBS C2>-NEH FORD <28 BOMBS) l91Jf0 B-26K CDC MAC RECOH NAISSANCE 1915G B-26K KM 2, llE BOMBS CI SALVO> ROUTE 21 HE BOMBS C2 SALVOS> AND ROUTE QA7 i92B- 215BG F4C FORD ----- -------

-19380 B-26K (2) PASS AND COC MAC FRAG BOMBS C3 SALVOS> 21B9G- B- 57 <2> KM 15 AND HE BOMBS C2 SALVOS) KM 16 FRAG BOMBS C2 SALVOS> 22J50 B-57 C2> K M 59 HE BOMBS <2 SALVOS> 221BG 8-26K C2B> KM 58 FRAG BOMBS (2 SALVOS> 23250 B-26K C2> LUM BUM PASS + KM 15 RECONNAISSANCE 15 DECt1915- F4 C2> ----- PHOTO RECONNAISSANCE 1929G 112IG B-26K Cl) COC MAC RECONNAISSANCE XXHH 9U NHNN

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SECJION- U'!EN XXMMENPS7-TB17128 R (2-68 NATIONAL SOUTHEAST ASIASIGINT SUMMARY XXCC 145G B-26K Cl) KM 16 IllCENDIARY BOMBS 81556 B-26K Cl> -----FLARES 82256 B-26K KM 76 FRAO BOMBS <3 SALVO S> 8388- 83280 ----- ----- HE BOMBS C2 SALVOS> FRAG BOMBS Cl SALVO> 83480 R-26K Cl> COC MAt RECONNAISSANCE 85JSG OV-1 Cl), B-26K tl), F4H C2> KM 48'FLARES 8548- B735G F4B (2) NEW FORD ---~--- 86450 AD Cl> ---- OVERFLIGHT 865BG OV-1 Cl> PASS RECONNAISSANCE 87JBG ---- PASS + KM 68 ------- S728G OV-1 Cl> F-188- (2) PASS HE ·BOMBS (2 SALVOS> 8758 G F-188 <2> KM 68 + KM 61 HE BOMBS C6 SALVOS) 88180 OV-1 (2) F-188 (4)FALSE POSITION------- 2248G FS Cl> PASS HE BOMBS 16 DEC18Uf8 - 82HG B..;26K C 2> KM 46 UII ORDNANCE 8145G F~ Cl> FORD llE BOMBS 83"80 F4 (8) FORD HE BOMBS 8318G B-26K C2> ~A KHA FIRED ON WITH NO RESULTS R EPORTED 8348G ---~~ FORD HE ~OMBS 84880 B-52 C6) FORD + BY-PASS ROAD HE BOMBS C3 SALVOS) 84.4.SO B-26K U> ----- RECONNAISSANCE 8635- OV-1 Cl3> 87380 F4 <5> FORD + PASS HE BOMBS (2 SALVOS) 8738G DV-1 C2> + F4 (4) CDC MAC + KM 7 HE BOMBS C6 SALVOS) 88180 OV-1 C2} LUM BUM + KM 15 RECONNAISSANCE 883SG F-185 l8) ----­OVERFLIGHT 88580 F4 Cl) CDC MAC RECONNAISSANCE ----- ----- KA TOC HE BOMBS <4 SALVOS) 12880 ov-1 ROUTE QA7 RECONNAISSANCE ----- OV-1 (1) KM 14 HE BOMBS <4 SALVOS) THE SHOOTDOWN OF A B-57 A 'IRCRAFT AND THE DEATH OF TWO OF ITS CREWMEN HERE REFLECTED IN THE COMMUNICATIONS OF THE 18TH AAA BATTALION ON 13 DECEMBER. THE"AIRCRAF T HAS REPORTE.DLY SHOTDOWN AT 8341JG ON 13 DECEMBER BY COMPANY 1 SUBORDINATE TD THE 18TH AAA BATTALION, WHICH HAS LOCATED, IN TEXT, AT CDC MAC Cl7~J2N 115~57E, XD 88584i. THE REPORT CONTINUED, "THO PILOTS HERE KILLED". "ONE HAS KILLED AT THE BATTALION.S OLD REAR AREA" ( UNLOCATED> AND "ONE HAS KILLED'AT. BAN NA LOU" Cl6-56N 185-58E, XD 8775). ONE CREWMAN HAS REPORTED TO HAVE.PARACHUTED.AND A HELICOPTER HAD COME TO RESCUE HIM. COMPANY 1 FIRED, POSSIBLY'AT THE HELICOPTER. HOWEVER, NO DETAILS HERE GIVEN. IT IS IMPOSSIBLE TO DETERMINE IF THE RESCUE HAS S.UCCESSFUL OR NOT OR IF THE CREHMAN WAS ONE OF THE THO KILLED OR A THIRD MEMBER HE CREW. A SIMILAR OCCURRENCE HAS p REVIOUSLY REPORTED ON 13 DECEMBER. C 3.10 . . R388-68. 210.tcV.C.J/R43-68., 21Gl liY.CM:ITl U92-68,

-158414Z, Tll874-68, 14822dZ At 1868-68, 132811Z> ESEERET 3f8KE> B. MILITARY SITUATION THE FOLLOWINO SUMMARY IS BASED ON RLA MESSAGES AVAI[ABLE DURING THE PAST 24 HOURS. NORTHERN LAOS MILITARY REGION 2 XXHll 9J8 NHNN

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