In North Korea, the construction of the first Atmic submarine is being conducted. About this Korea (TST).

On March 8, DPRK leader Kim Jong Yun visited one of the strategic shipyards, which he got used to the work on the submarine. It should be noted that submarines will be equipped with “strategic controlled missiles”.
On January 25, DPRK successfully experienced a strategic cruise missile designed for underwater base. The created missiles have exceeded the distance of 1,500 km in about 7500 seconds and hit the target. Therefore, the average flight speed is 720 km per hour.