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

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

In a dramatic and rare naval operation, a U.S. Navy submarine fired a $4.2 million torpedo that detonated beneath an Iranian warship off the southern coast of Sri Lanka. The attack marked a historic ...

Beijing is working to ramp up production of nuclear-powered attack boats and incorporate larger numbers of guided-missile ...

Drones operated by Ukraine's Security Service (SBU) attacked a Russian submarine in the port of Novorossiysk. This is the first such case in history, according to the SBU. "For the first time in ...

PARIS — France introduced a modernized version of its M51 submarine-launched strategic ballistic missile, a “major milestone” in the modernization of the country’s ocean-based nuclear deterrent, 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 ...

SLBMs can be launched from underwater nearly anywhere in the world—and are incredibly difficult to intercept, making them ideal second-strike nuclear weapons. The submarine-launched ballistic missile ...