Marxism–Leninism Cuban Revolution, led by Fidel Castro and Ché Guevara, overthrew the régime (1925–1959) of Fulgencio Batista to establish the Republic of Cuba, a Communist state recognised by the Soviet Union. In response, the United States attempted a coup d'état against the Castro government, such as the unsuccessful Bay of Pigs invasion (April 1961), by anti-communist Cuban exiles, sponsored by the CIA. The next year, there occurred the Cuban missile crisis (October 1962), a diplomatic dispute between the United States and the Soviet Union over the presence of medium-range, Soviet nuclear missiles in Cuba. The Soviet Union resolved the nuclear-missile crisis
CIA activities in Vietnam place in October 1962. Later the CIA grew afraid that they might demoralize their liaison partners so they did not disclose information pertaining to the policy basis that halted some operations. TARZAN was developed in order to monitor the North Vietnamese road traffic and then the findings would be taken back to the CIA. They were a sabotage team that was released near Route 2. On December 30 a sabotage team that was sponsored by SEPES was called LYRE. This was a part of the 9 teams developed that often did not go into full effect. It wasn't until November