North Korea launches new tactical nuclear attack submarine -KCNA

North Korea has launched a new tactical nuclear attack submarine, state media reported on Friday.

North Korean leader Kim Jong Un attended the submarine-launching ceremony, news agency KCNA said. "The submarine-launching ceremony heralded the beginning of a new chapter for bolstering up the naval force of the DPRK," KCNA said, using the initials of the North's official name, the Democratic People's Republic of Korea.