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".
Special Activities Division Girón" in Cuba), was an unsuccessful attempt by a U.S.-trained force of Cuban exiles to invade southern Cuba and overthrow the Cuban government of Fidel Castro. The plan was launched in April 1961, less than three months after John F. Kennedy assumed the presidency of the United States. The Cuban Revolutionary Armed Forces, trained and equipped by Eastern Bloc nations, defeated the exile-combatants in three days. The sea-borne invasion force landed on April 17, and fighting lasted until April 19, 1961. CIA Paramilitary Operations Officers Grayston Lynch and William "Rip" Robertson led the first assault on the beaches, and supervised