N. Korea reports test-firing of 'tactical' ballistic missile to improve weapons systems

North Korea has test-fired a tactical ballistic missile to upgrade a key component of its weapons systems, which it called a "big success," the country's state media reported Tuesday. The report came a day after South Korea's Joint Chiefs of Staff (JCS) detected multiple ballistic missiles launched from the Pyongyang area toward the East Sea. North Korea's missile administration "test-fired a tactical ballistic missile on October 12 to confirm the success in the research for the technical upgrading of an important core element," the Korean Central News Agency (KCNA) reported. The administration claimed that the upgrade "was a big success heralding an important change in improving the performance and sophistication of all offensive weapon systems," it added, describing the test as part of regular activities. The North did not disclose further details about the test-firing. The JCS earlier noted that North Korea launched multiple types of ballistic missiles, with one specific kind of missile flying more than 900 kilometers, and that South Korean and U.S. authorities were conducting a detail