taean chungnam south korea 16th sep 2021 sep 16 2021 taean south korea this photo provided by the defense ministry shows south koreas new supersonic cruise missile slbm test at their lab in south korea western security area south korea on wednesday unveiled the development of a supersonic cruise missile to improve its maritime defense capabilities just days after the north fired a new long range cruise missile in a sign of accelerating military competition between the two koreas credit image defense ministry via zuma press wire 2gm275y.jpg from korea အ€ View Photo