Doc ID: 6598303 DaTeE: 10/08/98 Pace: 1 JFK ASSASSINATION SYSTEM IDENTIFICATION FORM AGENCY INFORMATION AGENCY : NSA RECORD NUMBER : 144-10001-10279 RECORDS SERIES : AGENCY FILE NUMBER : ORIGINATOR : NSA rR : NSA TITLE : NSA SIGINT COMMAND CENTER OPSUM #2027 DATE : 11/26/63 PAGES SUBJECTS : ASSASSINATION, JOHN KENNEDY DOCUMENT TYPE : PAPER, TEXTUAL DOCUMENT CLASSIFICATION : RESTRICTIONS : 1B CURRENT STATUS : X DATE OF LAST REVIEW : 07/24/98 OPENING CRITERIA ; ORIGINATING AGENCY'S DETERMINATION REQUIRED COMMENTS : [R] - ITEM IS RESTRICTED Released on 11-02-2017 under the John F. Kennedy Assassination Records Collection Act of 1992 (44 USC 2017 Note)
- Doc ID: 6598303 . a —TOP S_CRET-DINAR NSA SIGINT COMMAND CENTER OPSUM # 2027 This internal NSA report summarizes significant intelligence developments, arranged by area of occurrence, and operational developments of general interest. The material contained herein was selected from SIGINT, collateral and press received in the NSASCC between 220700Z - 260700Z November 1963. F oe 44USC2107(5)\(G)(2)(D) CURRENT SIGINT READINESS STATUS au rf” ? READINESS AREA | ESTABLISHED -----"""_. STATIONS INV#VED ALFA [ 18, Nov’ ‘(DIRNSA) USA-36, Usm-4, [| INTELLIGENCE DEVELOPMENTS |-’ j f y 44USC2107(5)(g)(2)(D) CUBA P @ £ af alii) 1. Cuban reaction to the assassination of President KENNEDY, as revealed in COMINT, reflected’a Staté 6f alarm : followed by a cautious correctness. Sho¥tly after news of the assassination reached’ Cuba unidentified military units in Oriente Province, possibly near Guantanajho, were placed : on an alert; units in the Eastern Naval District ‘were ordered ’ to be ready to repell aggression; afat instructed cupan L___________ —* Inet to maké any statements. '! And in an unprecedented noves[ —__ ordered the link to the to stay open all night. Another message requested complete data on Lyndon JOHNSON, “including his political connections, etc.." The following -dayl loriginated 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 message of the same date reported Havana to be calm but cautious, with only a few Page l (2027 - 26 November 1963) “FOP-SEGRETDENAR— Released on 11-02-2017 under the John F. Kennedy Assassination Records Collection Act of 1992 (44 USC 2017 Note)
Ke ad . 44USC2107(5)(g)(2)(D) NSASCC OPSUM # 2027 (Cont'd) b(iii CUBA isolated communist groups rejoicing. During - the: a ceincod Sf the 23rd,the alert in the Eastern Naval. District. was" pait tal ly relaxed. Elsewhere in Latin America,” order Ete airbases niiitary units on an alerty. “ana “_- ‘ ns units were placed on-a- “first. class" alert. Smite 137263, 2302172; 2/LRL[__- dR 11~63,.2221202; 3/6[___}?" 1380, £1382-63;; 231531Z, 2317372; 2/0[ AR 196- ~63, 2518152; x 2x/0f_ 7 YT 2421-63, 2417132; 2x/oL__IR 478-63, 2421212; 3/ol_- 1075763, 2419172; 2/o[.__]R 01-63, 2221292 2x/OL a It 18-63, 22305025 xf JR! ‘01-63, 2319272; ox/x It 22-63, 2221252; DIA/CIIG, INDEC MESSAGE 6- ~63, 2219282) ; , ée fe ve A, NSASCC Comment: DIA igsued an IDIe message (16-63) on 22 November, urging all Indication Centers to, ‘initiate an Yirmediate 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 CRITIG/Messages were to ibe used as apptopriate. , aoe Oa : on 23 November.’ 1963, issued} ‘a message to theL__d , at 0001 hours 24° 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/_/__ |v 454-63, 250021z; 2f_ si T 455-63, 2501072) é NSASCC Comment: As of publidation there has been no SIGINT evidence that the[ Sid Page 2 (2027 - 26 November 1963) FOP SECRET DINAR