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 to use its "tribal forces" in Laos and to "make every possible effort to launch guerrilla operations in North Vietnam’ with its Asian recruits." Hence, under this code name, General Vang Pao, who served the royal Lao family was recruited. He then recruited and trained his Hmong soldiers to ally with the CIA and fight against the communist North. In April 1961, Lansdale, who had been designated the Operations Officer for an interagency Task Force in charge of political, military, economic, psychological, and covert character, was to go to Vietnam. Changes of policy in Washington however, transferred these responsibilities to