With Tehran vowing retaliation, the risk of naval clashes is rising along sea lanes vital to global commerce.

Officials in New Delhi say that an Iranian warship that was sunk by a U.S. submarine near Sri Lanka had participated in naval exercises hosted by India before heading out into international waters in the Indian Ocean on its way home Iranian Warship Sunk by US Submarine Was in India for a Joint Drill.

A US submarine sank an Iranian warship in the Indian Ocean, Defense Secretary Pete Hegseth said Wednesday, touting the strike as evidence of America's global reach in its war on Iran. "An American submarine sunk an Iranian warship that thought it was safe in international waters. Instead, it was sunk by a torpedo," Hegseth told a news conference. FRANCE 24's James Vasina reports.

Secretary of War Pete Hegseth said that an American submarine sunk an Iranian warship with a torpedo ‘because it thought it was safe’ in international waters.

WASHINGTON (March 4): A US submarine sank an Iranian warship in the Indian Ocean, Defense Secretary Pete Hegseth said Wednesday, touting the strike as evidence of America’s global reach in its war on Iran. “An American submarine sunk an Iranian warship that thought it was safe in international waters. Instead, it was sunk by aRead More

Defense Secretary Pete Hegseth on Wednesday confirmed a U.S. submarine sank an Iranian warship in international waters in the Indian Ocean.

A U.S. submarine has sunk an Iranian warship in the Indian Ocean US Submarine Sinks Iranian Warship as War Expands.