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".
Cuba under Fidel Castro the early years of the administration in a measure to cut homelessness, while nurseries and day-care centers were opened for children and other centers opened for the disabled and elderly. In January 1961, Castro ordered Havana's U.S. Embassy to reduce its 300 staff, suspecting many to be spies. The U.S. responded by ending diplomatic relations, and increasing CIA funding for exiled dissidents; these militants began attacking ships trading with Cuba, and bombed factories, shops, and sugar mills. Both Eisenhower and his successor John F. Kennedy supported a CIA plan to aid a dissident militia, the Democratic Revolutionary Front, to invade