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

Trump-summit GYEONGJU, South Korea, Oct. 29 (Yonhap) -- President Lee Jae Myung on Wednesday asked U.S. President Donald Trump to allow South Korea to secure fuel for nuclear-powered submarines and ...

Lt. Angelo Belloni seized control of submarine F-43 at the Muggiano shipyards near La Spezia, Italy. The coastal submarine, originally built for the Russian Navy and designated to become the Svyatoi ...

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

The third and latest version of the M51 has new nuclear warheads as well as improved range, accuracy and capability to ...

A display of confiscated vessels at a naval base in Ecuador offers a peek at why drug smuggling is so hard to stop.

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

President Donald Trump said two narco-terror suspects survived a U.S. military strike on a drug-carrying submarine, claiming ...

Russia is expanding its fleet of nuclear-powered submarines to defend its national interests across the world's oceans.

Russia has denied that its submarine is experiencing mechanical problems—but a Russian military blogger has speculated that ...

The offer for Canada to join the Type 212CD program comes as NATO looks to expand its underwater activities in the Atlantic ...