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Doc ID: 6878954

Doc Ref ID: A4268783

JFK ASSASSINATION SYSTEM

IDENTIFICATION FORM

AGENCY INFORMATION

AGENCY : NSA

RECORD NUMBER : 144-10001-10279

RECORDS SERIES :

AGENCY FILE NUMBER :

DATE: 10/08/98

PAGE: 1

DOCUMENT INFORMATION

ORIGINATOR :

FROM

NSA

NSA

TO

NSA SIGINT COMMAND CENTER OPSUM +2027

PAGES 24/26/63

SUBJECTS :

ASSASSINATION, JOHN KENNEDY

OCUMENT TYPE : PAPER, TEXTUAL DOCUMEN

LASSIFICATIO

RESTRICTIONS:

1B

CURRENT STATUS : X

DATE OF LAST REVIEW : 07/24/98

OPENING CRITERIA

ORIGINATING AGENCY'S DETERMINATION REQUIRED

COMMENTS :

IR] - ITEM IS RESTRICTED

Released pursuant to Executive Order 14176, DECLASS. OF RECORDS CONC. THE ASSASSINATIONS OF PRES. JFK, SEN.

REK, AND THE REV. DR. MLK, JR.

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• Doc ID: 6878954

TOP -CRET DINAR

NSA SIGINT COMMAND CENTER

OPSUM # 2027

This internal NSA report summarizes significant intelligence

developments, arranged by area

of occurrence, and operational

derel mess dece to see come mate and contained

collateral and press received

• in the NSASCC between 220700z - 260700z November 1963.

CURRENT SIGINT READINESS STATUS

READINESS

AREA

ESTABLISHED

STATIONS INVOLVED

ALFA

Iraq

18 Nov (DIRNSA)

USA-36, USM-4, USN-16

ALERI: ONE

Iraq

18 Nov (GCHQ)

UKM-257, UKA-282, UKF-222,

UKN-227, UKM-262, UKA-278

INTELLIGENCE DEVELOPMENTS

CUBA

1.

Cuban reaction to the assassination of President KENNEDY,

as revealed in COMINT, reflected a state of alarm

followed by a cautious correctness. Shortly after

news of the assassination reached Cuba unidentified military

units in Oriente Province, possibly near Guantanamo, were placed

on an alert; units in the Eastern Naval District were ordered

to be ready to repell aggression; and Foreign Minister ROA

instructed Cuban diplomatic missions not to make any statements.

And in an unprecedented move, Havana ordered the link to the UN

to stay open all night. Another message to New York requested

complete data on Lyndon JOHNSON, "including his political

connections, etc.." The following day, Havana originated a

message urging a calm objective analysis of the facts and their

possible consequences, stating that both the EISENHOWER and

KENNEDY administrations had been guilty of economic aggression

tending to cause economic ruin and hunger among the people.

Nonetheless, the official Cuban statement issued on the 23rd,

expressed "deep sorrow" at the news of the "tragic death" of

the President.

A Chilean diplomatic message of the same date

reported Havana to be calm but cautious, with only a few

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(2027 - 26 November 1963)

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Released pursuant to Executive Order 14176, DECLASS. OF RECORDS CONC. THE ASSASSINATIONS OF PRES. JFK, SEN.

RFK, AND THE REV. DR. MLK, JR.

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Doc ID: 6878954

TOP

IRACRET DINAF

NSASCC OPSUM # 2027 (Cont'a)

CUBA

isolated Communist groups rejoicing. During the afternoon of

the 23rd, the alert in the Eastern Naval District was partially

relaxed.

Elsewhere in Latin America, Mexico ordered its airbases

to watch for any suspicious airplanes; Venezuela placed all

military units on an alert; and Colombian naval and military

units were placed on a "first class" alert. (2/LR1/CUM/R 187-63,

230217Z: 2/LR1/CUN/R 11-63, 222120Z; 3/0/CUD/T 1380, 1382-63,

231531Z, 2317372; 2/0/CUN/R 196-63, 2518152; 2X/0/CUD/I 2421-63,

241713Z; 2X/0/CUY/R 478-63, 242121Z; 3/0/CLD/T 1075-63, 241917Z;

2/0/CON/R 01-63, 222129z 2X//CON/T 18-63, 222050z; 2X/MXA/R 01-63,

231927Z; 2X/X/VEM/T 22-63, 222125Z; DIA/CIIC, INDIC MESSAGE 16-63,

2219282)

NSASCC Comment: DIA issued an IDIC message (16-63) on 22 November,

urging all Indication Centers to initiate an immediate alert for

possible hostile reactions to the shooting of the President.

Any indication of a change in enemy posture was to be immediately

passed via INDIC channels to DIA and CRITIC messages were to be

used as appropriate.

SOUTH KOREA

2.

South Korean Police alerted a counter-revolutionary

0202: ve inch on,

plot. The Inch'O'ng Provincial Police Bureau Chief,

on 23 November 1963, issued a message to the Police

Chiefs at Kanghwa, Kimpo, Koyangn, Bupyong, warning them of a

coup by the Marine Brigade station in Kimpo at 0001 hours 24

November 1963. The Police Chiefs were instructed to "...keep

a strict watch over movements in the vicinity of this Brigade and

over the movements of forces of the Brigade. The surveillance

will be carried out by under-cover methods. You will assume a

perfect guard setup which will enable you to respond instantly

in an emergency." (USM-48, 2/G5/KOP/T 454-63, 2500217; 2/G5/KOP/

T 455-63, 2501072)

NSASCC Comment: As of publication there has been no SIGINT

evidence that the coup took place.

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(2027 - 26 November 1963)

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Released pursuant to Executive Order 14176, DECLASS. OF RECORDS CONC. THE ASSASSINATIONS OF PRES. JEK, SEN.

REK, AND THE REV. DR. MLK, JR.

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