The USS Lionfish was commissioned in 1944 and earned one battle star for service in World War II. It sank a Japanese submarine, rescued the crew of a B-29 bomber, and served as a training submarine.

A US submarine sank an Iranian warship, sinking the vessel in minutes. The attack happened 2,500 miles from Iran in the Indian Ocean just South of Sri Lanka. Secretary of War Pete Hegseth announced ...

While the identity of the U.S. submarine was not identified for operational security, the IRIS (Islamic Republic of Iran Navy) Dena was in the region off the southern coast of Sri Lanka. The ...

A US submarine has torpedoed and sunk an Iranian warship in the Indian Ocean, reportedly leaving at least 87 sailors dead.

An American submarine sank an Iranian warship in the Indian Ocean overnight — the first such US attack on a member of an enemy fleet since World War II, Secretary of War Pete Hegseth announced ...

To this day, there has only been one recorded instance of submarine-on-submarine warfare during WWII. The German Navy's destroyed U-864 is toxic to this day.

In June 1944 during World War II, a single American submarine began sinking Japanese destroyers inside one of the most ...

France is moving to tie its nuclear deterrent strategy more closely with European allies while keeping full control over any ...

This video features rare World War II footage of a Japanese submarine crew operating at sea. Submarines played a significant role in Pacific naval strategy, carrying out reconnaissance missions, ...

Explosions sounded in Tehran Wednesday as Iran's war with the U.S. and Israel entered a fifth day following earlier strikes ...

The defense secretary also said more forces will be arriving in the Middle East, adding that the US “will take all the time we need to make sure that we succeed.” ...

A U.S. submarine sank an Iranian warship in international waters, Defense Secretary Pete Hegseth said Wednesday. In addition to striking Tehran, Israel hit the Iranian-backed Hezbollah militant group ...