Hanwha Group claims that its Philadelphia plant could support construction of advanced submarines, such as the Virginia-class ...

North Korea state media photos showed a largely completed nuclear-powered submarine hull as leader Kim Jong Un condemned ...

Hanwha's Philly Shipyard has the capability of building a nuclear-powered submarine for the U.S. Navy, said Alex Wong, global chief strategy officer at Hanwha Group, according to a statement from the ...

North Korea displayed apparent progress in the construction of a nuclear-powered submarine, with state media photos showing a ...

North Korea's state media released photos Thursday of what it said was the hull of a nuclear submarine. Its leader denounced ...