China successfully tested an intercontinental-range submarine-launched ballistic missile on July 6, firing it from a nuclear-powered submarine and joining an elite club that includes the United States, Russia, Britain and France. These five nations are also the permanent members of the UN Security Council. Analysts believe the missile was fired from China’s Type 094 Jin-class nuclear-powered submarine armed with ballistic missiles (SSBN). Submarines in this category which have proven...