The downing of the Iranian frigate IRIS Dena marks the first time an American submarine has destroyed an enemy warship in decades.

This story has been updated with additional information from U.S. Central Command about the sinking of an IRGCN corvette. An American attack submarine sank an Iranian Navy ship off the coast of Sri ...

An American attack submarine sank an Iranian Navy ship off the coast of Sri Lanka, extending the ongoing conflict with Iran ...

Battlefronts in the war with Iran stretched 3,600 miles on Wednesday, from Turkey to Sri Lanka, near the southern tip of India.

The U.S. won’t stop in its efforts to sink the entire Iranian navy and end its ability to harass shipping, the commander of U.S. Central Command said.

A single Mk-48 torpedo achieved "immediate effect" on an Iranian frigate, which was operating in the Indian Ocean, the ...

Sri Lanka’s navy has recovered 87 bodies and rescued 32 people after an Iranian warship was sunk by a U.S. submarine in international waters near the island. U.S.

Explosions are sounding in Iran's capital city and Jerusalem as its war with the U.S. and Israel enters a fifth day. Iranian state television reported explosions in Tehran at dawn Wednesday.