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".
CIA activities in the Philippines CIA recognized Philippine concern over a Huk resurgence in the region after killings on the island of Luzon, where Manila is located. The armed forces were called in fear of a communist uprising, but most of the fears went unwarranted at the time. While the Huk resurged in the 1960s, they were not able to cause an insurrection like that of their earlier attempt again. While they did not believe they posed too large of a threat, there was concern that "any failure by Marcos to reduce Huk influence could" cost him the election. In 1966 the CIA was concerned