The U.S. is building 12 Columbia-class submarines armed with ballistic missiles to serve as its sea-based nuclear deterrent ...

Columbia-class submarines will be the largest ever built for the US Navy, with a submerged displacement of 20,810 tons and an ...

However, South Korea has said it wants the submarines to deter North Korea. Read more at straitstimes.com. Read more at ...

Admiral Daryl Caudle, Chief of Naval Operations of the United States, commented on South Korea's official move to build ...

The US chief of naval operations' recent remarks suggesting that South Korea's future nuclear-powered submarine "is a natural expectation" to be used to counter China have raised concerns, with ...

The US has approved the "attack submarines" and agreed to cooperate in sourcing fuel, according to a fact sheet released by the White House on Thursday detailing discussions of summit talks between ...

The Federal Government has announced HIFraser as the first Australian company qualified to supply parts for US Virginia-class ...