North Korea has fired another ballistic missile off its east coast into the Sea of Japan, according to South Korean and Japanese officials, marking the latest in a series of weapons tests by Pyongyang in recent weeks. One ballistic missile was launched about 10:17 a.m. local time from the vicinity of Sinpo, South Korea’s Joint Chiefs of Staff said. “Our military is closely monitoring the situation and maintaining readiness posture in close cooperation with the United States, to prepare for possible additional launches,” the South Korean JCS said in a statement. The location is where North Korea keeps submarines as well as equipment for test firing submarine-launched ballistic missiles (SLBMs). North Korea has also launched other types of missiles from the area. The Japan Coast Guard described the projectile as a possible ballistic missile, and advised ships in the region to avoid any fallen objects and be alert for further notices, local …