The March 4 incident in the Indian Ocean marked the first time an American submarine had torpedoed an enemy vessel since the ...

A nuclear attack submarine may be the most formidable predator ever built. In 2009, I spent a week submerged aboard the USS Miami, a nuclear-powered Los Angeles-class submarine known to its crew as ...

The introduction of the submarine to naval warfare reshaped planning and doctrine. While typical engagements relied on guns and precision, the submarine didn’t need to concern itself with being as ...

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

Video of a US submarine sinking an Iranian warship looked "remarkably similar" to a 1945 US submarine attack, a World War II ...

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

Diesel-electric submarines like the Taigei class offer Japan a fearsome weapon against China—at a fraction of the cost of cutting-edge American ones.

The Sierra I submarine was one of the most advanced Soviet attack submarines of the Cold War. Built with a titanium hull, it could dive deeper than most submarines while remaining relatively quiet ...

Submarines have quietly become some of the most powerful weapons in modern naval warfare.

Lockheed Martin has secured a potential five-year, $479.9 million contract from the U.S. Navy to support the AN/SQQ-89A(V)15 anti-submarine warfare combat system. The Navy’s latest contract action ...

Add Yahoo as a preferred source to see more of our stories on Google. China's submarine fleet is improving, making advancements in stealth. In a war, China's subs could put up a tough fight in the ...