SEOUL--The South Korean, U.S. and Japanese navies began their first anti-submarine drills in six months on Monday to boost their coordination against increasing North Korean missile threats, ...

North Korea plans to turn other existing submarines into nuclear armed vessels ... s weapons systems or say where and when the inspection took place, but analysts said the apparent size of ...

Kim Jong Un attended the launch ceremony for North Korea’s first nuclear attack submarine, but Seoul says the North is exaggerating the sub’s capabilities.

North Korea successfully conducted new tests of its long-range cruise missiles for submarines as it continues to ratchet up tensions with the West. The Pulhwasal-3-31 missiles were reported to ...

North Korea could have begun construction on a new submarine, likely designed to operate on nuclear fuel, according to The ...

North Korea has deployed its first operational “tactical nuclear attack submarine” with the fleet that patrols the waters between the Korean peninsula and Japan. North Korean leader Kim Jong Un, in a ...

An curved arrow pointing right. Kim Jong Un announced his plans to prioritize nuclear weapons at the launch of North Korea's "tactical nuclear attack submarine." More from News Kim Jong Un ...

A report by South Korea’s defence intelligence agency said that there were indications that the North has started to construct a new submarine at the Sinpo naval yards. Given the greater size of ...

At the same time, given that Sinpo has a submarine base, it is also possible that Kim made an unofficial visit to the base on a multipurpose trip. Meanwhile, Pak Tae-song, Kim’s closest aide and new ...

The Navy completed its acquisition of six P-8A Poseidon maritime surveillance aircraft in July to bolster its anti-submarine capabilities. The Air Force has also launched an inspection of its ...