Seoul [South Korea], January 29 (ANI): North Korean leader Kim Jong Un on Sunday oversaw the test-firing of submarine-launched cruise missiles and reviewed a project to build a nuclear-powered submarine, state media reported, as per South Korea-based Yonhap News Agency. The new strategic cruise missile Pulhwasal-3-31 precisely hit preset targets after flying over the East Sea for 7,421 seconds and 7,445 seconds after being launched from a submarine, the Korean Central News Agency (KCNA) said, suggesting the test involved two missiles. It did not give further details, such as their flight dista…