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 on Thursday released new images of what it claims is its first nuclear-powered submarine, a massive vessel equal in size to some of the United States Navy’s attack subs.

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

North Korean leader Kim Jong Un observed construction of a submarine with his daughter, a potential heir, and oversaw the ...

Russia is developing a new type of nuclear submarine to boost its defenses as it faces sanctions and the fast upgrades of ...