Japan's Defense Ministry said the country faces "the most severe and complex security environment" since World War II.

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

Trump said the country would build its nuclear-powered submarine in the Philly Shipyard, which was bought last year by South ...

Donald Trump has said he has given South Korea permission to build nuclear-powered submarines in Philadelphia, in an ...

South Korean President Lee Jae-myung has asked US President Donald Trump for approval to acquire nuclear-powered submarines ...

China's been steadily upgrading its submarine fleet and weapons to detect those of the US should the two nations go to war.

The Trump administration bombed what the president referred to as a 'drug-carrying submarine' on October 16 in the Caribbean ...

Experts call it "21st-century gunboat diplomacy" as U.S. positions strike-capable forces in Caribbean amid tensions with ...

President Donald Trump says two surviving “narcoterrorists” from a semi-submersible vessel destroyed by the US military in ...

President Donald Trump said the US military struck a submarine designed for drug trafficking, amid reports that some aboard the vessel had survived — a first in the administration’s offensive against ...

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