The U.S. operates a fleet of more than 50 nuclear-powered fast attack submarines to counter China's naval threat.

The nuclear reactor of the fourth Suffren-class nuclear-powered attack submarine (SSN), De Grasse (S638), was fired up for ...

The nuclear reactor aboard France’s fourth Suffren-class nuclear-powered attack submarine has been started for ...

Before it commissions this upcoming spring, the USS IDAHO crew will undergo training and mission exercises ...

What are the deadliest submarines in naval history? Take a closer look at some of the most potent vessels to take to the sea.

UK MoD officials have warned that mismanagement has left the nation unable to maintain its nuclear submarine programme ...

The U.S. Navy’s nuclear fleet has operated for three-quarters of a century without a single radiation accident harming people ...

The construction of two more submarines under Project Borey-A continues, Russian Defense Minister Andrey Belousov said ...

The keel was laid for USS Barb, the 31st Virginia-class nuclear-powered submarine, amid a transition away from Los ...

The Russian Navy plans to expand its Lada-class fleet with two new submarines, focusing on enhanced strike capabilities.

The great tune “Rule Britannia” once had meaning with this refrain: “Rule Britannia, Britain rules the waves.” ...

Lada-class submarines are quiet and capable of diving to depths of around 300 meters. The Lada series subs are 66.8 meters long and 7.1 meters wide. They have a submerged speed of 21 knots. A ...