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

In 1963, USS Thresher sank, killing all 129 aboard—sparking decades of speculation. It remains the deadliest submarine accident in U.S. history.

Roughly 15 years ago, the U.S. Navy surfaced three Ohio-class SSGN missile submarines in a warning to China. However powerful a message that was over a decade ago, the military balance between Washington and Beijing has shifted.

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

GROTON, Conn. – Ensign Grant Totten, a native of Columbus (Indiana), is training to be part of the U.S. Navy’s 125-year tradition of service under the sea. Totten graduated from Columbus East High School in 2019 and from Purdue University in 2023 with ...

SYDNEY - Australia, the United States and Britain announced in 2021 they would transfer nuclear powered submarines to Australia, and two years later detailed an ambitious pathway that would bolster U.

President Donald Trump said he wants to accelerate nuclear submarine deliveries to Australia under the AUKUS agreement during White House meeting.

China's surface navy is growing at a rapid pace as busy shipyards turn out new warships, but the US maintains an edge underwater with its submarines.

In 2015, a small French submarine called the Saphir snuck past the defenses of the USS Theodore Roosevelt aircraft carrier and "sunk" it in training.