Cuba place on 14 April 1961. About 1,400 Cuban exiles disembarked at the Bay of Pigs, but failed in their attempt to overthrow Castro. In January 1962, Cuba was suspended from the Organization of American States (OAS), and later the same year the OAS started to impose sanctions against Cuba of similar nature to the US sanctions. The Cuban Missile Crisis occurred in October 1962. By 1963, Cuba was moving towards a full-fledged Communist system modeled on the USSR. During the 1970s, Fidel Castro dispatched tens of thousands of troops in support of Soviet-supported wars in Africa. He supported the MPLA
CIA activities in Vietnam had difficulties understanding their politics. This can be attributed to the fact that the CIA did not make a concerted effort to gain a better understanding of the history and people of Vietnam. The CIA instead focused on the military forces occupying the territory instead of the political and economic forces that motivated them. The diplomats were not getting clear information in 1954 and early 1955, but the CIA station "had ... no mandate or mission to perform systematic intelligence and espionage in friendly countries, and so lacks the resources to gather and evaluate the large amounts of information required