Operation 40 necessary some of your own members who were suspected of being foreign agents...We were concentrating strictly in Cuba at that particular time." The group sought to incite civil war in Cuba against the government of prime minister Fidel Castro. "In October 1960, they realize that this project has failed, and that is when Brigade 2506" was created, a CIA-sponsored group made up of 1,511 Cuban exiles who fought in the April 1961 Bay of Pigs Invasion. On 17 April 1961, Vicente Leon Leon, with other members of Operation 40, landed at the Bay of Pigs via the CIA-chartered freighter "Atlantico".
CIA cryptonym plan concerned Cuba. Occasionally the special code names come close to the nerve, as did MONGOOSE." A secret joint program between the Mexico City CIA station and the Mexican secret police to wiretap the Soviet and Cuban embassies was code-named ENVOY. Some cryptonyms relate to more than one subject, e.g., a group of people. In this case, the basic cryptonym, e.g., LICOZY, will designate the whole group, while each group member is designated by a sequence number, e.g., LICOZY/3, which can also be written LICOZY-3, or just L-3. DT, ER, FJ, HB*, HO, HT, JU, KM, KO, QK, SC, SE,