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".
1996 shootdown of Brothers to the Rescue aircraft had not been utilized, and that this conflicts with the ICAO principle that interception of civil aircraft should be undertaken only as a last resort. It is also claimed the Cuban Air Force did not make any attempt to direct the aircraft beyond the boundaries of national airspace, guide them away from a prohibited, restricted or danger area or instruct them to effect a landing. Following the incident, the United Nations Security Council passed Security Council Resolution 1067 (1996), a U.S.-sponsored resolution condemning Cuba. Dissenting members believed that the resolution was singling out Cuba for condemnation, and instead should have