South Korea says North Korea missile used 'cold eject' launch system

SEOUL (Reuters) - A missile fired by North Korea on Sunday used a "cold eject" launch system, where the missile is initially propelled by compressed gas before its rocket engine ignites, South Korea's military said on Monday. A South Korean military source told Reuters that North Korea's missile was a new type of solid-fuel intermediate-range missile using submarine-launched ballistic missile technology, North Korea said on Monday it had successfully test-fired a new type of medium- to long-rang