The new South Korean submarine is expected to be tasked with eliminating nuclear and missile targets across North Korea.

America's dominance beneath the waves grows as its newest nuclear submarine completed its initial sea trials and prepares for ...

The 3,600-ton diesel-electric submarine is the lead vessel in the second batch of South Korea’s homegrown Changbogo-III ...

Trump committed to providing nuclear submarines to Australia, ending speculation that the deal would be dropped.

Inside the effort to deliver a ‘transformational improvement’ in how the US builds submarines, vital to preserving its undersea advantage.

President Donald Trump said the two survivors from a U.S. strike on a vessel suspected of carrying drugs are being sent back ...

Japan's development of nuclear-powered submarines may raise questions about its commitment to the peaceful use of nuclear ...

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

Defense Secretary Pete Hegseth defended the U.S. decision to repatriate two survivors of a recent military strike on a ...

Australian Prime Minister Anthony Albanese came to the White House Monday offering cheaper access to the continent’s rare ...

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

The Marines and Navy are training to combat enemy submarines with sonobuoys. This isn't a normal mission for Marines.