The U.S. Navy’s critical Columbia-class ballistic missile submarine program is facing significant delays and cost overruns.

What is Russia's doomsday missile and Khabarovsk? Russia has launched the nuclear-powered submarine Khabarovsk. It will carry the Poseidon underwater drone, known as the “doomsday missile.” The launch ...

Nuclear submarines are the latest in monumentally advanced technology powering global military forces. Throughout the entire world, there are only nine nations that have developed nuclear weapons. Of ...

Australia will host the rotational presence of up to one U.K. and four U.S. nuclear-powered submarines as early as 2027.

The US has 71 submarines and it has nuclear powered submarines, 4 guided missile submarines and 14 nuclear ballistic missile ...

Trump made his announcement on Truth Social. If the deal goes through, Philadelphia would be an international powerhouse in shipbuilding.

Donald Trump approved a South Korean request to build a nuclear-powered submarine at an American shipyard, a weapon President ...

President Trump said Wednesday he's allowing South Korea to build a nuclear-powered submarine in Philadelphia.