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LL SUMMARY OF DRV NAVAL RELAECTIONS OF DESOTO PATROL 31 JULY­U) IJ)

<( 11 AUGUST 1964 _J

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1. INTRODUCTION:

THIS RE?ORT SUMMARIZES DRV NAVAL REFLECTIONS OF AtJD REACTIONS

v1 TO THE DESOTO PATROL, u.s.s. MADDOX AND U.S. S. c. TURNER U') <(

...J JOY. AS NOTED IN DRV NAVAL COMMUNICATI ;-JS INTERCEPTED AT u

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USN-27 Al-!D USN-27J DU:R IJ-:G THE PERIOD 31 JULY - 11 AUGUST

THE u.s.s. MADDOX ARRIVED AT A POINT CALFA) WEST OF lL

U) U) TIGER ISLAND AT 311100Z AND THE!'~CE PROCEEDED NORTH ALONG <( _J

U THE DRV COAST• THE MADDOX CONT IrmED ON HER TRACi\ UNHI ;-.:DER ED

BUT COt·JSTM!TLY UNDER TRACKI!~G SURVEILLA CE BY SHORE BASED 0 . w U. ELE:·lE!\TS AND/OR VIS UAL OBSERVAT IO r-: 8 Y DRV N A'J AL Ei·~T IT I ES r.n (,,') <UNTIL APPROXIMATELY eJ20800Z t·!HEr~ It~ THE ...J u

VICINITY OF 19-47N/106-31E SHE CAME UNDER

TOR~EDO ATTACK BY THREE DRV MOTOR TORPEDO BOATS.

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APPROXIMATELY THil<TY MINUTES LATER THE u.s. S. MADDOX RETil~ED TO

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03 Al,:D 04 AUGUST THE u.s.s. MADDOX Ii-J COMPANY l'JITH U.S. S. c. TURr:E2 0 Ll.l ,..-,_

u: JOY co:rrE~UED THE PATI~OL ALONG A REVISED TRACK. AT 04:3452

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~THE Tl:lO SHI?S CM1E ur:DEJ~ ATTACl~ BY At: UtJDETEm1INED i:u:E3ER OF _J u .

ErHl1Y Ci~AFT. THE VESSELS AGAH: RETIRED TO THE SOUTH. Or·; 05

O AUGUST U.S. NAVAL AIRCRAFT RETALIATED WITH RAIDS AGAI:~ST CERTAih' w U. DRV NA1J AL BASES. SUBSEQUE~ff TO THIS U.S. R ETAL IAT IO:\ ONLY I.I) U')

~SPORADIC REFLECTIONS OF u.s. NAVAL FORCES \\'ffiE NOTED.

u 11. DETAILS.

~ THE FOLLOtHNG IS A CHRONOLOGY OF EVENTS AS REFLECTED 01':

u. I.I) DRV NAVAL COMMUNICATIONS DUR ING THE PERIOD. THE ENTRY OF (/) <( d TIIE DE SOTO PATROL H.ffO THE GULF OF TONKIN IS BELIEVED TO HAVE

BEEt~ INITIALLY REFL:EJ:CTED IN DRV !~AVAL COMMUi--:ICATIONS AT 311920Z

0

~WHEN 3EN THUY, HEADllUAP.TERS SOUTHERN FLEET, REPORTED AN "Et,rEMY u. U)

(J) SHIP T\~ENTY NAUTICAL MILES FrWM LY HOA (17-38N 106-30E) BEARING <{

-' U051i'J DEGHEES." AT 0ll009Z THE DE SOTO ON A NORTHERLY TRANSIT

Q ALONG THE VIETNAMESE COAST WAS AGAIN REFLECTED WHEN AN UNIDENTIFIED

w ~ DRV ENTITY REPORTED "AT SEA OFF QUA G BINH THERE IS EnEMY ACTIVITY r.f)

ttl <{ • • AWAIT ORDERS." HAIPHONG REPORTED THE POSIT ION OF THE Ei·H)·1Y

u AT 1235Z AS NINE POI!JT THREE MILES FROM HON ME C 19-21N 105-5 6E)

BEAR_ING 148 DEGREES.

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DU.R[rJG THE DE SOTO PATROL' s APPROXIMATE n:o M~D A HALF

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FFJ~E F~EFL~<TED H! THE AREA A D :,JERE REPORTEDLY AWARE OF THE 0 UJ u: ENEMY'S PRESE:JCE. DURit\G THIS PERIOD THE St·JATO\·J CLASS PGMS

~ T-377 <EX T-185) A~:D T-255 (EX T-163) l·JERE ADJACEET TO HON NGU .., '

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O Cl8-47-48N 105-45-08E) Mm THE S\·;ATOW CLASS PGMS T-142 AND T-146

Q WERE n; THE IMMEDIATE HON ME Al?EA. w ~ S THE FIRST HJDICATION OF CONTEMPLATED DRV HOSTUl-JE REACTION TO (/) U)

<(THE DE SOTO WAS AT 011627Z WHEi\ SOUTHER!•! FLEET HEADQUARTERS BEN _!

u THUY I!ffORMED THE T-255 THAT THE DECISIOt~ H D BEE!•i MADE "TO

~FIGHT TONIGHT." SUBSEQUENTLY, AT 011641Z, PROBABLY HAIPHONG

u.. U) CLEARED COASTAL WATERS OF ALL SHIPPING A D FISHING VESSELS, (.,') <( ..J DIRECTING THEM TO ENTER AN NAP C20-35N l06-l 7E>. u

AT 011755Z THE FIRST MENTION OF THE"l35," NOW IDENTIFIED 0 WAS THE 135TH MOTOR TORPEDO BOAT FLOTILLA, WAS MADE. THIS UNIT, u.. (/) ti) COMPRISED OF THREE VESSELS SUBSEQUE TLY IDENTH'IED AS MTBS <( ..J UT-333, T-336, T-339, WAS TO ARRIVE AT HON NE C19-54-40N

106•00-40E) PRIOR TO 022000Z CCSIC>>. BY 020212Z A FIFTH 0 w LL SWATOW PGM, T-166 APPEARED IN THE IMMEDIATE AREA OF HIN ME. AT u; (J} <020218Z IT WAS REPORTED THAT THE T-146 MET THE 135TH AT HO!·: NE .J u

Al-~D ALL ~~ERE RETUR!·~H~G, PROBABLY TO HOM ME. LATER, COMRADES

"TE"_ M:D "HUONG," PROBA3L Y MTB COMMA DERS, WERE ORDERED "TO GO .... i i ! i i I ' ;

ABOA~D THE T-142 IMMEDIATELY." MENTION OF "609" RADIOTELEPHONE L.. !

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WERE ?ROBAi3L Y 01: THE AGEt-.:DA FOF? DISCUSS IQ;.;. I:,; THE MEAiJTIME 0 l.i..! LL C020429Z) THE T-142 AIJD T-146 WERE QUE::?IED r~· THEY HAD RECEIVED

~ORDERS Alm P.EPLr:::n THAT THEY HAD BEE!{ ORDERED TO RUN PARALLEL WIT!-1

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..., THE ENEMY FOLLOWI!-:G THE LAUNCH OF TORPEDOES. H: WHAT WAS PROBABLY

o THE FI.RST REPORT AFTER AN ACTUAL SIGHTING, HON ME RE?ORTED TO Ll.l

U.. THE T-14 6 AT 020709 Z "ENEMY IS A LARGE SHIP •• pRES ENTL Y {J", !./}

~BEARING 125 DEGREES, DISTA CE 19 MILES, COURSE 27 DF..GREES,SPEED

u 11 KNOTS."

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s F.: c ~ f 'f !{I!IBO SECTIOr·: r.·,!O OF THl~EE

Cl UJ THE u.s.s. MADDOX WAS ATTACi<ED AT APPROXIMATELY 0208002 ,_ u..

Lr') I!~ THE VICH~ITY OF l9-41N 106-35£. NO REFLEl\TION OF THE SPEcn·rc :J)

<1'.

doRDERS TO ATTACK WERE ~:OTED IN COMINT. SUBSEl~UEi'.:TLY CTOI 0219142)

THE T-142 REPORTED THE FOLLOW ING CHAIN OF EV E:·ns LEABRrJG UP TO

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W XAND THROUGH THE ATTA.Ci<. AT 020225Z THE !;: NOMTBIBLOTILLA AT HON NE AND AT 0204152 (/) lf)C14'l-:C 59 <( ...l

T-14 6 MET THE l 35TH GUIDED THEHM

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UHON ME WHER THEY MET THE SWATOW CLASS PGM T-165, AT POSSIBLY

O 0207452. AT 020825Z SHE REPORTED SEEING THE 135TH ATTACK THE

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!;: ENEMY AND AT 020930Z BOTH THE T-142 Ai"JT T-146 RECEIVED ORDERS Ul tn <(TO TURN BACK AND CONCENTRATE THEIR FORCES. _J

u BEGIN ING AT 021430Z AN IMMEDIATE CONCERN AS TO THE CONDIT ION

~AND WHEREABOUTS OF THE VESSELS OF THE 135TH FLOTILLA WAS

u.. Ul APPARENT. THE T-142 Mm T-14 6 MADE EXTEr-:s IVE SEAP.CPAS IN JK ti)

<(TEN MILE RADIUS OF 19-41N l06-37E AND FINALLY AT 0300312 TWO ...I u

VESSELS ( T-333, T-336) WERE REPORTEDLY LOCATED C If\ A DAMAGED CON-

~ -DITION) H~ THE VICINITY OF HON l~E BY THE T-146. AT 030845Z HAI?­

LL V') HOIJG WAS r-JOTIF IED THATTHE T-339 WAS SUNK. VJ < _J u

ALTHOUGH AS YET UNVERH"IED BY H:TERCE~T OF A "HEADQUARTERS'

CiHTIQUE" WHICH HAS H~ THE ?AST FOLLOt·JED DRV REACTIONS TO HOSTILE

I:-~CURSIO;,;s, IT IS BELIEVED THAT THE ATTACK ON THE USS MADDOX

MAY, HAVE BEEN PREMATURELY TOUCHED OFF AFTER HAVH:G BEEI·l PLAUNED

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Cl "ORDER THE 135 i;GT TO MAl\E ~JA!~ BY DAY. GO TOWARD SHORE AND UJ u_ -· RETl!P~! if) ' ••H

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TO HOr-.J ME." SUBSEQUE:,:T HffERCEPT REFLECTED, IN AF ITIO ;.J

_J uTO T-333, T-336 AND T-539, SIX SWATOW CLASS PGMS CT-142, T-146,

T•l 65, T•l 66, T-255 AND T-337) IN THE AREA. ALL OF THESE 0 UJ U. XREPORTED THE EAGE~NESS OF THEIR CREWS TO MD:T THE ENEMY. IN

en 1..n VIEW OF THE APPARENT H!VOLVEMENT OF THE PGMS IN THE 04 AUGUST <( I

.J U ATTACK. THE OVER EAGER~:ESS OF MT3 FLOT 135 MAY HAVE HINDERED

0 THE DEPLOYMENT OF ZJE PGMS ON W2 AUGUST THEREBY LIMITING THE ROLE UJ

~OF THE lf)' {/)

<C LA.TTffi IN THE ATTACK• IT HAS NOT BEEN POSSIBLE TO DETERMINE • ...J iu

u~ ANY PGMS WERE SUNK OR DAMAGED DURING THE ATTACK ON THE

10 ! UJ MADDOX•

-I U) AFTER THE ATTACK, THE u. S • S • MADDOX PULLEFMBACK TO THE ( (/) • <(

·.JVICINITY OF l7-30N 108E WHERE SHE WAS JOINED BY THE USS c. ru .

TURNER JOY FOR THE IQ

CONTINUATION OF THE PATROL.

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PROBABLY THE INI7IAL REFLECTION OF THE 00 US DESTROYERS

( (/) l(f)AFTER THEIR RETURN WAS AT 030837Z WHEN A MESSAGE BETWEEN TWO < <( • ! -cu INIDENTIFIED ENTITIESISEPORTEDS WO ENEMY DESTROYERS BEARING

170 DEGREES. RA!·JGE 25 NAUTICAL MILES, COUf-lSE 0 DEGREES. AT

030~~gz THE T-142 REPORTED TWO DESTROYERS 20 !·JAUTICAL MILES : ;

EAST OF HON ME. THE T-142 \·;AS THE;~ ORDERED TO SHA DO~·.; THE

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DESTl~OYt.""RS r: AT 031155Z i·:AS r-:OTH"IED 3Y A!~ Ur<LGE::TL··rr.:n

D LU ENTI'fY THAT THE 030934Z POSITION OF THE TWO DESTROYERS WAS

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Ui20 MILES EAST OF HON ME, BEARH:G 60 DEGREES, HEADING EAST. THE U°) <(

dT-142 WAS TO CONTINUE SHADOWING CLOSELY AND TO MAINTAIM

CONTINUOUS COMMUNICATIONS tHTH HEADi)UARTERS AND TO CONTHJUE REPORTING

Cl LU U.. POSITION Al~D GRID.

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U) BY 0401022 AT LEAST ONE OF THE u.s. DESTROYERS vJAS REPORTEDLY cl': ..J

U ABREAST OF MUI CHAO ( l9-42-30N 105-55E) A D STILL UNDER SUR-

O VIELLANCE BY THE T-142. THE T-146 WAS A w GO IN THE GENERAL AREA

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: ti) BUT WAS AIDING THE TWO MTBS ( T-333, T-336) OF THE 135TH FLOTILLA. U) <( ....1 DUE TO AN ALMOST COMPLETE, COI·~CURRENT DRV COMMmaCATIO~:s SILEHC E u

CONCERNING

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~THE 04 AUGUST INCIDENT THE ACTUAL NUMBER AiW SPECIFIC UNITS INVOLVED LL U) U> IN THE SECOUND ATTACK ON THE u.s. PATROL CAN~OT BE DETERMINED. <( ..J UTHE SWAZFW CLASS PGMS T-130, T-132, T-142, T-l 65 AND

ri PROBABLE SWAIOW T-379 (EX T-187) WERE Ii': THE IMMEDIAAE AREA '-'

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LL. DURir~G THE TIME FRAME OF THE ATTACK. ALTHOUGH trnco~:FIRMED,

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Ln ~LATER I:JTERCEPT INDICATES THAT THE MTB T-333, EVEN THOUGH -l u

DAMAGED, MAY HAVE ALSO PARTICiPATED.

THE t.:. S. RETALIATORY ACTIO~J FOLLOWI:·~G THE SECO!·.:D DR\! ATTACi\ ON

: i THE: U.S. DESTIWYERS t·JAS REFLD\TED AT )8080;:.IZ WHEl,J HAIPO!·JG

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INFOlH-lED THE T-142 Al~D T-146 THAT "ENEMY AinCRFT HA\.lE BOMRA?DED

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VINH C 18-41-l0N 105-40-50£> AND Olm SHIPS AT HOI·~ t·JGU ( 18-4SN 0 w LL 105-47-HJE)." THE MESSAGE ALSO ORDERED THE T-142, T-146 M~D

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~ T-130 TO IMPROVE THEH~ CAMOUFLAGE AnD TO DISPERSE. n:D-:TY

u MI:·rnTES LATER AT 050823Z, COMRADE LAP, EASED AT HOJ·: ME,

o REPORTED TO THE DIRECTORATE THE "THREE JETS ~!ERE HJ THE PROCESS w LL OF ATTACK ING OUR SHIPS ANE WAS SUNl\ •" THE T-142, T-14 6 t.i1 ({}

~AND T-130 WERE IN THE HON ME AREA AT THIS TIME. SINCE THE _j

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ABOVE MESSAGE THERE HAS BEEN NO REFLECTION OF PENNANT T-130

~ AND ALTHOUGH UNCONFIRMED, THIS MAY HAVE BEEN THE VESSEL REPORTED

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U1 SUNK BY COMRADE LAP• IT WAS REPORTED AT 05l550Z THAT TWO (/) <(

~AIRCRAFT WERE SHOT DOWN AND ONE OTHER DAMAGED.

FOLLOWING THE ATTACK, DRV VESSELS WERE ORDERED TO RETURN TO

Q

~BAI CHAY <20-58'-04N l07-03E) AND WERE INFORMED THAT A MINE LL

(/) (J) CORDOM IN THE XL! D' ALONG HAD BEEN PREPARED SURROUNDING AN AREA <( ...I U BOm:DED BY CORRDINATES 20-51-20N 107-04 E, 20-5$20N 107-04E;

Q 20-51-25N 107-0SlE, 20-53-25N 107-0SlE. THE T-142 AND T-14 6

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<t'. WERE NOTIFIED THAT THE TUG "BACH DANG" WOULD DEPART HAIPHONG ..J u

AT 0418002. THE TUG WAS TO BE UTILIZED TO row THE Tt~O DAMAGEJP

O MTBS C T-333, T-336) BACK• HOWEVER, THE BACH DANG WAS SUBSIDUE~JTLY

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~ REPORTED TO BE TOWING THE T-132, PROBABLY DAMAGED IN THE AIR .(/) (/)

<(STRIKE ON 05 AUGUAT, TO BAI D' ALONG AND THE T-120 WAS TOWil\G ..J u

THE MTBS BACK TO THE SAME AREA, THE T-142 vlAS ORDERED TO BAI CHAQ

~ (}J 05 AUGUST BUT WAS UNABLE TO COMPLY DUE TO tiJATER IN THE FUEL

u.. :Ji OIL. ON 06 AUGUST SHE REPORTED CH Ul <GING OIL. THIS VESSEL -' u

HAS BEEN OBSERVED RECEt\TLY IN HAIPHONG PROBABLY m:DERGOING

MINOR ENGINE REPAIR. I :

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FJWM 06 THRU 11 AUGUST VERY LITTLE DRV t;AVAL ACTIVITY UAS

NOTED IN on-:m THAN THE BAI D' ALQl,JG AREA. J.;"UMEROllS POSITIOi-J

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REporns. A COMPLE E COLOH AI-:D r:.:SIGltlA DESCRIPTION OF FRIENDLY (.)

w ~AIRCRAFT WAS BROADCAST BY PORT WALLUT POSSIBLY

... n I'' ~ INDICATIOt~S THAT THE NAVY MISTEXEr-.:LY SHOTDOWN ONE OF THEIR om.: ..J , ' 1...i ?LANES. AT060940Z PORT WALLUT HEPORTED THE CA?TURE OF OlJE

o AMERICAN PILOT ATD!Qt: 09 AUGUST (AT 0'257Z) H:DICATED THAT THE U,J

u.. OODY OF ONE AMERICA?-! PIOLT HAD BEEN RECOVERED FROM THE WATER Uj

V'J <( AT AN UNDES ~ CMINED AREA ALONG THE COAST.

THE so-1 CLASS SUBCHASERS T-225, T-221/ T-229, T-231, ARE Cl w LL KNOWN TO HAVE BEEN ACTIVE DURH~G THE PERIODS OF ATTACK BUT

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(J) THEY WERE t\OT ISOLATED BY PENNAT NUMBER UNTIL WGL VESSELS <( _J

UHAD RETREATED TO THE BAI D'ALONG• AREA THERE ARE INDICATIONS THAT

O 1'S A RESULT OF THE RETALIOTORY ATTACKS THE T-225 AND T-231 MAY HAVE

w ~ BEEt~ DAMAGED. U) CJ)

<( THE FOLLOWING VESSELS WERE ISOLATED BY PENNAt\T DURH:G _J

u THE PERIODYSEQ JULY - 11 AtJGUST:

~ so-1 CLASS SUBCHASERS

LL IJ) T-225 C T-25) POSSIBLY DAMAGED If)

< ....! T-227 < T-27) u

T-229 C T•29)

T-Z~3l C T•31) POSSIBLY DAMAGED I

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TfoE DE SOTO VESSEL( S) WERE EXTEt'.SIVELY TRACKED BY DRV ~ ;

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RADAR FACILITIES THROUGH AT LEAST THE 04 AUGUST ATTACK•

A SUMMARY OF THIS TRACKING DATA IS IN PREPARATION AND a LL.! LL PENDING COLLATION OF AVAILABLE INFORMATION WILL BE ISSUED IN THE

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