Cuban President Fidel Castro, left, and his brother Raul, chief of the Cuban armed forces, stand at attention as the bodies of 24 Cubans who died during the U.S. invasion of Granada are removed from an airplane at Havana's Jose Marti Airport in this Sunday, Nov. 13, 1983 file photo. Fidel officially designated Raul as his successor at a Communist Party congress in October 1997. On Tuesday Feb. 19, Fidel Castro said he will not accept a new term when the newly elected parliament meets on Sunday. (AP Photo,file)
Raul Castro, left, stands next to his brother and then rebel leader Fidel Castro, bottom, and an unidentified fighter, as they operate against dictator Fulgencio Batista from Cuba's eastern mountains in this March 14, 1957 file photo. Fidel officially designated Raul as his successor at a Communist Party congress in October 1997. On Tuesday Feb. 19, Fidel Castro said he will not accept a new term when the newly elected parliament meets on Sunday. (AP Photo/Andrew St. George, File)