Cuba: The potential existsower struggle between Raul CastroTTidel's designated heir, and "Che" Guevara, who has al- eady assumed much of the authority formerly exercised by the
5 Aug 60 CENTRAL INTELLIGENCE
Castro. The danger to the regime ofowerwill increase if Fidel Castros Illness Is prolonged. Neither Raul Castro, Guevara, nor the Increasingly InfluentialDortlcoe possesses Fidel Castro's great popular appeal among lower Income groups, upon which the regime has come to depend.
Meanwhile, Cuban officials have exhorted delegates to the Communist-dominated Latin American Youth Congress to carry the struggle initiated by Cuba for "Latin AmejicarUlbe^Ulon" back to their home countries.
Two officials of the Soviet Chief Engineering DIrectorate--tho component of Moscow* Ministry of Foreign Trade responsible for (he supply of arms and military equipment lo foreignbeen in Havana. One of these men, Yastrebov, Is the Soviet official responsible for the shipment to nonbloc countries of military equipment from the Black Sea port of Nlkolaev, where almost all Soviet arms shipments originate. Hla presence in Havana strongly suggests that Moscow has agreed to provide military aid to the Castro regime. Similarbetween Czechoslovakia and Cuba may have been worked out earlier this year, although no bloc arms are believed yet to have been delivered.