North Korea finally speaks out about its missile tests, saying that it has been "practicing tactical nuclear strikes" on South Korea.

North Korea has tested seven ballistic missiles since September 25 and around 25 launches since the beginning of this year, raising tensions to an all-time high on the Korean Peninsula and in the Sea of Japan region. The recent missile launches, KCNA claimed, were a "strong military retaliation warning to the adversaries."

North Korea's leader, Kim Jong Un, oversaw the exercises that seemed to be a retaliation for the t....