Video of a US submarine sinking an Iranian warship looked "remarkably similar" to a 1945 US submarine attack, a World War II ...

A U.S. Navy submarine sank an Iranian warship in international waters, Defense Secretary Pete Hegseth said Wednesday, the ...

A U.S. Navy submarine sank an Iranian warship in international waters, Defense Secretary Pete Hegseth said Wednesday, the ...

The sinking of an Iranian warship by a US Navy submarine off the coast of Sri Lanka this week is something a US sub hasn’t ...

US Secretary of Defense Pete Hegseth said Wednesday that a US submarine sank an Iranian warship in international waters after Sri Lanka’s Navy said it rescued more than two dozen people from an ...

The Chinese Navy has “dramatically increased” submarine production and could soon deploy a new vessel that’s able to hit ...

Most of China's submarine fleet is diesel-electric, but Beijing is ramping up production of nuclear-powered classes.

The prime minister has confirmed three Royal Australian Navy personnel were on board a US submarine that sank an Iranian ...

Historic Attack in the Indian Ocean On Wednesday, a US Navy submarine deployed a Mark-48 torpedo, a weapon not utilized in combat since World War II, to sink the Iranian frigate Iris Dena in the ...

South Korea wants to join the undersea naval elite – and has received the blessing of US President Donald Trump to do just that. Having Seoul become the seventh country in the world operating ...