The KCNA claimed that the test demonstrated the missiles' "superior combat capability" in responding to aerial threats such as attack drones and cruise missiles, adding that the systems were based on "unique and special" technology.
The North's leader ordered a stronger defence posture in waters north of the South Korean border islands of Yeonpyeong and Baengnyeong, saying South Korean warships have frequently violated the North's waters, the KCNA said.