Defense Secretary Pete Hegseth calls Iranian warship sinking a message that 'gloves are off' as U.S. nuclear submarine ...

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 ...

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

Legal experts say a U.S. submarine’s deadly attack on an Iranian warship does not appear to have violated international or American military law.

The U.S. sank an Iranian warship in international waters, Defense Secretary Pete Hegseth said Wednesday, as it intensified ...

President Donald Trump announced "major combat operations" against Iran on Saturday, with massive joint U.S.-Israel strikes ...

A sailor of the Iranian Navy warship IRIS Dena had phoned his father minutes before the frigate was struck by a torpedo, ...

A retired U.S. Navy nuclear submarine commander is offering his perspective on Tuesday's torpedo attack that sank an Iranian warship in the Indian Ocean.