The U.S. Navy has reached a Cold War-era milestone in the Arctic, deploying two Virginia-class submarines beneath the polar ice cap for the 100th time since World War II.

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 ...

A model of a 09IIIB submarine posted to Chinese social media. It does not appear to be an official model, but much of it correlates with other indicators and may be grossly representative of the real ...

While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...

The U.S. Navy today possesses the most technologically advanced submarine force in the world. Its nuclear-powered attack submarines and ballistic missile submarines remain unmatched in speed, ...

Ukraine says underwater drone strike is historic first Russia denies attack caused any damage Attack hits Kilo-class, missile-carrying submarine Vessel was in Russia's Novorossiysk port in Black Sea ...

As it tried to demonstrate its continuing ability to fight, Ukraine said it had used drones to inflict serious damage on a Russian Kilo-class submarine at a Black Sea port. By Maria Varenikova ...

This post may contain links from our sponsors and affiliates, and Flywheel Publishing may receive compensation for actions taken through them. Submarines have been used in warfare for centuries.

WASHINGTON — A coalition of Navy veterans is seeking an expansion of health care and disability benefits for toxic exposures linked to gases, chemicals and biological contaminants aboard submarines.

Why have just one technological breakthrough when you can have two at the same time? The Royal Navy has installed for the first time a quantum clock into its XV Excalibur robotic submarine for ...

Breakthrough trial with Tiqker clock aboard XCal submarine advances resilient navigation in GPS-denied environments Testbed submarine XV Excalibur went to sea with Infleqtion’s quantum optical atomic ...

Trump Endangers the Handover of the UK’s ‘Last Colony’ JS Sogei, the sixth Taigei-class submarine, entered the water in a ceremony held at KHI’s shipyard in Kobe City, Japan, Oct. 14, 2025. Credit: ...