US troops in the Middle East have used a ground-based ballistic missile system to sink multiple Iranian ships, Gen. Dan Caine said.

I just could not be prouder of our men and women in uniform leveraging innovation to create dilemmas for the enemy.”… pic.twitter.com/bydvIv5Tn5 “They used Army ATACMS to sink multiple ships, ...

The Iranian warship that was sunk in the Indian Ocean likely didn’t have the technology needed to defend itself against submarines.

The U.S. Navy has reached a Cold War-era milestone in the Arctic, deploying two Virginia-class submarines beneath the polar ice cap for the 100th time since World War II.

The Torsk's sinking of the Japanese vessel marked the last U.S. submarine kill for over eight decades - that is until March 3 ...

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