World communism ideology could not admit that, to counter the influence of capitalist countries. It also supported revolutionary socialism around the world to continue to work toward world communism, however distant it might be. Thus it backed the 26th of July Movement in the Cuban Revolution, the North Vietnamese in the Vietnam War and the MPLA in the Angolan Civil War. The domino theory of the Cold War was driven by this intent as anti-communists feared that isolationism by capitalist countries would lead to the collapse of their self-defense. The reform and opening of China and the restructuring and openness of the
US signals intelligence in the Cold War stealthier than RHYOLITE/AQUACADE. After the Liberty and Pueblo incidents, only combatant ships, destroyers and frigates, were used for collection missions. In addition to SIGINT intercept against the Soviets, combatant ships operated off Nicaragua, El Salvador, and Honduras. One purpose-built SIGINT auxiliary, the ARL-24 Sphinx, generally stayed off the Nicaraguan coast. US signals intelligence in the Cold War After the end of World War II, all the Western allies began a rapid drawdown of military forces, including those of signals intelligence. At the time, the US still had a COMINT organization split between the Army and Navy. A 1946 plan listed