The Torsk’s sinking of the Japanese vessel marked the last U.S. submarine kill for over eight decades — that is until March 3, 2026.

As naval warfare reemerges as a key strategy in the US war with Iran, World War II museum ships are finding new relevance.

There are only two confirmed and one alleged incidents of warships being targeted and sunk by submarine-fired torpedoes and those have been controversial

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.

World War II proved that control of the oceans could determine the outcome of a global conflict. While battleships had long dominated naval thinking, the war quickly showed that aircraft carriers and submarines were changing the rules.

Sri Lanka has begun bringing more than 200 sailors from an Iranian logistics vessel ashore after the ship sought assistance off its coast. The move follows the sinking of Iranian warship IRIS Dena by a US submarine near Sri Lanka earlier this week.