</s>Doc ID: 6879109 Doc Ref ID: A2469458 DATE: 12/15/97 JFK ASSASSINATION SYSTEM PAGE:1 IDENTIFICATION FORM AGENCY INFORMATION AGENCY NUMBER : NSA AGENCY INFORMATION RECORD NUMBER: : 144-10001-10191 RECORD SERIES : AGENCY FILE NUMBER # : AGENCY FILLE NUMBER :: DOCUMENT INFORMATION ORIGINATOR : : NSA FROM : : CHIEF G : TO : : DIRNASA : TITLE : SELECT COMMITTEE ON ASSASSINTATIONS QUERY G/1430-78 SELECT COMMITTE ON ASSASINATIONS QUERY : 0/4/05/78 PAGES : 5 : 5 RE SUCCESSFUL INTERCEPT OF CUBAN COMMS SUBJECTS : DOCUMENTS TYPE : MEMORANDUM CLASSIFICATION : : 1B RESTRICTIONS : CURRENT STATUS DATE OF LAST REVIEW : 11/13/97 : X: : OPENING CRITERIA : Determination REQUIRED ORIGINALATING AGENCY S DETERMINATION REQUIRED COMMENTS : -CONTAINS SENSITIVE COMPARTMENTED INFORMATION- -IRJ-ITEM IS RESTRICTED- Released pursuant to Executive Order 14176, DEC. OF RECORDS CONC. THE ASSASSINSTATIONS OF PRES. JFK, SEN, RFK, AND THE REV. DR. MLK, JR.

Summary  
The documents detail U.S. National Security Agency (NSA) activities related to monitoring Cuban intelligence operations in the Western Hemisphere from 1959 to 1974. The NSA intercepted communications from Cuban agents operating under diplomatic cover and through clandestine methods, including radio, microdots, and mail drops. Key tasks included sabotage of U.S. property, gathering military intelligence on U.S. forces, and supporting anti-Cuban activities. The first successful interpretation of Cuban agent communications occurred in April 1962, with intercepts continuing until May 1964 when the communication method changed, rendering messages unreadable. The documents reference the Cuban General Directorate of Intelligence (DGI) expanding its clandestine operations in regions like Florida, Puerto Rico, Costa Rica, and Ecuador. Specific targets included Alpha 66, a Florida-based exile group alleged to have ties to counter-revolutionary activities against Cuba. The NSA’s records were released under Executive Order 14176, which declassified materials related to the assassinations of President John F. Kennedy, Senator Robert F. Kennedy, and Dr. Martin Luther King Jr.  

Key People  
- **R. E. RICH** (Chief, G) – NSA official involved in handling queries about Cuban agent activities.  
- **Agent APAMOLA** – Miami-based operative tasked with reporting on U.S. military alert status at Fort Bragg and Fort Benning.  
- **Agent PAMELA** – Puerto Rico-based operative who cultivated Juan Angel Sileño Aveedo, Assistant Secretary General of the Puerto Rican independent Party.  
- **Agent BRUNO** – La Paz-based operative encountering difficulties with the Bolivian Communist Party.  

Key Locations  
- **New York, Miami, Puerto Rico, Costa Rica, Ecuador, Colombia, Guatemala, Mexico, Chile, Ottawa, Lima** – Sites where Cuban agents operated during the period.  
- **Fort Bragg, Fort Benning, Panama, Puerto Rico** – Locations monitored for U.S. military activity by Cuban agents.  

Key Events  
- **April 1962** – First successful interpretation of Cuban agent communications by NSA.  
- **May 1964** – Communication changes rendered intercepted messages unreadable, ending the intercept period.  
- **Cuban DGI operations** – Expansion of clandestine activities in Latin America and the Caribbean to counter U.S. influence.  
- **Alpha 66 targeting** – Cuban agents focused on infiltrating and disrupting this Florida-based exile organization.  

Key Organizations  
- **Cuban General Directorate of Intelligence (DGI)** – Led Cuban operations in the Western Hemisphere, including sabotage and subversion efforts.  
- **Alpha 66** – Florida-based exile group targeted by Cuban intelligence for alleged counter-revolutionary activities.  
- **Costa Rican Communist Party** – Used by Cuban agents as an information-gathering network.  
- **U.S. National Security Agency (NSA)** – Conducted surveillance and intercepted communications related to Cuban operations.

JFK Declassified Files

144-10001-10191.pdf

Document Summary

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