When some Ohio-class submarines were retrofitted with non-nuclear Tomahawk missiles instead, this one sub was the first to fire them in combat.

A Virginia-class attack submarine is in port in Australia for the second maintenance period of a nuclear-powered boat on foreign soil. USS Vermont (SSN-792) pulled into HMAS Stirling on Wednesday for the maintenance overhaul,

The US Navy (USN) procured additional Most Aggressive Features (MAF) to equip Virginia-class platforms. The capability is a major component of the submarine’s Improved Advanced Hybrid (IAH) propulsor.

America's dominance beneath the waves grows as its newest nuclear submarine completed its initial sea trials and prepares for active deployment.

The Trump administration bombed what the president referred to as a 'drug-carrying submarine' on October 16 in the Caribbean

A triad of SSGs, SSKs, and SSNs would comprise a forbidding implement of access denial for the US Navy in the Indo-Pacific.

China's been steadily upgrading its submarine fleet and weapons to detect those of the US should the two nations go to war.

A display of confiscated vessels at a naval base in Ecuador offers a peek at why drug smuggling is so hard to stop.

The Future of the Los Angeles-class Submarines The Los Angeles-class attack submarines of the United States Navy formed the backbone of America’s nuclear-powered attack submarine force for almost four decades.