Moon, the submarine expert, said that North Korea may have received Russian technological assistance to build a nuclear ...

In 2023, North Korea said it had launched what it called its first “tactical nuclear attack submarine,” but foreign experts doubted the North’s announcement and speculated it was likely a ...

The news posted a photo showing the country's leader, Kim Jong-Un inspecting what seems to be part of the submarine. North Korea's leader Kim Jong Un inspects a nuclear submarine during a visit to ...