Bay of Pigs Invasion
26th of July Movement
Cuba
The best known of these anti-Batista groups was the "26th of July Movement" (MR-26-7), founded by a lawyer named Fidel Castro. With Castro as the MR-26-7's head, the organization was based upon a clandestine cell system, with each cell containing ten members, none of whom knew the whereabouts or activities of the other cells.