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i~;99iG!P ~~~~~~513 (b) (3)-P.L. 86-36-~ · ;·

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\ Z~\ \~1R E T s'P-~lt~ ~I-HAL SECTID-H -~-F TWO UODiLSU_CKLRU-72 SPDT F,U NR2 AHO '- iIHAL TO 21'DDIISUCK?,Rl5-72 16161iJJr.BE-TWEEthli:53ll--HD-.-11.-~6~riH7UHIDIEHTIF'IED~tf

···... PEAltERm_HR(DIHATE TD .THE 27 4 TH. !iAH~REO-IMEllT5 s. HOT~D~s;u TillG]·THE · BATTAl·l ...... A 9 HAD - . Ut: 11. AftD SHOT DOWN THE1~lRC11AFr~AlfDf! Af,;,TWD .P,U'OIS~:r.AwA-tH~glHS¥• · .. LSO ST At I)~ THAT THERE WAS A PDSSIULI't~~tHAT.a:l"H~ PlLDT~E0· l>EADr'.':~~~r:J&EA 1:: ift • 82SZ ANO Se4~Z AN UNIDENTIFIED SAM ELEn~HT, ·r~08ABLT SU~~ DR lNAi&JG tnU . 267TH SAM REGIMENT, LOCATED NORTH OF DONG HDI WAS NOTED TRACKING htlH~R~U~~~o~· HOSTILE AIRCRAFT OVER THE GULF OF TONKIN HORTHEAST AHO EAST dF D~NG HOI.:hO ;·:.; l'tlSSILE LAUNCHES OR ACTUAL ENGAGEMENT WERE HOT ED IH THIS ACTI~ITY. :!'ETWEEH . · 1228Z AHD 124SZ AH UNIDENTIFIED SAM ELEMENT SUBORDINATE TO TH~ 267TH S'M :._·:~ · REGIMENT WAS HOTED TRACKING AIRCRAFT OVER THE GULF OF TONKIN. AT 1233Z lME' -· FIRING BATTALION WAS ORDERED TO DESTORY THE TARGET, AT WHICH TIME THE TAR'1ET" .. " WAS AT A POSITION OF APPROXIMATELY UJ-Z2H 186-UE OVER THE GULF OF TONKIN. AT·'.: 1Zl.4Z THE FIRING BATTALION WAS AGAIN ORDERED TO DESTROY THE AIRCRAFT, AT WH.lCH. TIME THE TARGET WAS AT A POSITION OF APPROXIMATELY 18-ZZN 186-lSE OVER THE G~LF i:JF T\ONKIN. AT 12J4Z THE FIRING BATTALION WAS AGAIN ORDERED 'TO DESTROY THE . AIRCRAFT, AT WHICH TIME THE AIRCRAFT WAS AT A POSITION OF APPROXIMATELY U-24N 1S6-Q6E, OVER THE GULF OF TONKIN. AT THIS TIME THE FIRING IATTALIDN STATED THAT HE COULD. NOT OBTAIN LOCK-DH. THE SAME ACTIVITY ALSO INCLUDED TRACKING OH OHE FLIGHT OF AIRCRAFT WITHIN 38 NAUTICAL MILES OF THE NVN COAST, EAST OF VINH, AND TWO OTHER FLIGHTS OF AIRCRAFT WITHIN 5 NAUTICAL MILES OF THE HVH COAST SOUTHEAST OF HA TIHH. HO FIRINGS OR SUCCESSFUL LOCK-OHS WERE DBSERVERD DUR I HG THIS ACTIVITY. COMMENTS, DURING THE ABOVE STRIKE ACTIVITY COMING REFLECTED THE LAUHCHlHG OF AS MANY AS SEVEN SA-2 MISSILES; HOWEVER, OPERATIONAL SOURCES REPORTED THE LAUNCHING OF AS MANY AS 18 SA-2 MISSILES DURING THIS ACTIVITY. A SUMMARY OF AVAILABLE OPERATIONAL IHFDRMATIOH FOLLOWS, 1. AT S531 A F-1S5G <DALAS lf2) OBSARVED AH SA-2 CONTRAIL AND D.EJDHATIOH. THE MISSILE WAS LAUNCHED FROM ·AH ESTIMATED POSITION OF EITHER .[YN--;·n_)JR · vlf·-4m 2. AT S541' AJt F'f_E __ --- - -­(GUHSMOKE 82> SIGHTED 3 SA-2 MISSILES CA'UNCHED PDSS-IBL Y FROM EIGHT !VH 45~ .!JR Y_tt)

r.ua--.1 3. AT 8545 TWO Y........i.s._AIRCRAFT <SCREAMING EAGLE 112 AHD 119> OBSERVED TWO -Ml'SSilES WIU~H WERE I AllrCHED AT THEIR FLIGHT. AT TtfIS TIME A F4E <BASKET Ill> . RECEIVING'.[ . INDICATIONS OF MISSILE LAUNCH ACTIVITY. 4. AT S557 AND A7E(DUSYBEE -38~> OBSERVED TWO SA-2 MISSILES ESTIMATED AS HAVING BEEN LAUNCHED

~FROM APPROXIMATELY 17-lSH 116-45E. 5. AT S6SS OHE SA-2 MISFILE LAUNCH AND SUBSEQjUr;ttLfltPTECJIVE REACTION STRIK&·--WAS,-·REPDRTED BY---AH~A4F, CGARFISH>. FLIGHT..~n· 6. AT 1&;1\!'0PERATIDNAL SOURCES COHFIRl'I TtiE LOSS OF' (f'IUSK.:T- •t )'.A F-4 AIRCRAFT-&'-• AT THE TIME OF THE LOSS OF <MUSKET Sl> MUSKET S2 <AH F-4) WAS IN THE SAME VICINITY AND OBSERVED THE MISSILE WHICH DOWNED O'IUSKET __ IULWHIC_tt_~f PEARED TO HAVE BEEN LAUNCHED FROM A. POSITION AT 17-S6N lS6-45Er,f'RQ.!IABl. Y VH 4ru 7 .NAT J838 A F-1S5G <FIREBIRD Ill) SIGHTED TWO MISSILES LAUNCHED FROM- TffE-PO'SITION AT

fVH ·na-~ a. AT &845 NAVY A7E <BUSYBEE> AHD f'iD <FUNGUS) FLIGHTS REPORTED -:sIGHHHG TWO tllSSilES FIRED FROM THE VIYINITY OF 17-ISH Ul6-45E. 9. AT sao A

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@'pproved for release by NSA on 07-03-2014. Transp~'rency Case# 6588a

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' FJB5GNUHIDR U > OBSERVED TWO MISSILE CONTRAILS AHD SUBSEOUEHl DETONATIONS.

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ESTIMATE~ -' AllH~H POSITION WAS 17-IJ6H IIJ6-45E. Ill. AT lf91fl A F-1956 CBEAR lf2> RECEIVED, l,rns_SILE LAUNCH IHDICATIOHF AHD THEN SIGHTED TWO SA-2 MISSILES LAUHCHED ~'!9fl~H _4~B::J 9Slf 18749 HHHNZ . ·

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