When Soviet ballistic missile submarine K-129 vanished in 1968, Moscow launched a huge search but failed to find the wreck.

The U.S. Navy's inventory of nuclear submarines is getting ready to expand with an upcoming all-new class of vessels. Here's ...

Delayed multi ship contracts for 15 attack and ballistic missile submarines are finally expected in the second quarter of ...

When India’s third ballistic missile-carrying, nuclear-powered submarine — the INS Aridhaman — entered service on April 3, ...

The lead Columbia-class submarine, currently under construction, has faced schedule adjustments but is showing signs of ...

The induction of a third SSBN brings the number of such boats to three, enabling the deployment of a continuous at-sea ...

The first of the new Columbia-class of ballistic missile submarine is tracking for a 2028 delivery due to improvements in ...

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 ...

The submarine-launched-ballistic missile has a range of 11,500 kilometers and has precision accuracy for range of targets, including fortified or underground infrastructure ...

The Defense Department’s new submarine production chief last week admitted it will be a “heavy lift” to get the first new ...

China has ramped up its production of nuclear-powered submarines over the past five years to the point where it is launching subs faster than the United States, threatening to negate a sea-power ...

WASHINGTON - Satellite images taken this month of a North Korean naval shipyard indicate Pyongyang is pursuing an 'aggressive schedule” to build its first operational ballistic missile submarine, a ...