A new Chinese missile submarine is quietly shifting the balance under the waves. Here's what the leaked specs reveal.

Russia is developing a new type of nuclear submarine to boost its defenses as it faces sanctions, industrial challenges, and the fast upgrades of NATO naval forces. The announcement was made by ...

Ukraine said Monday it carried out an underwater drone strike that critically damaged a Russian Kilo-class submarine docked in the port of Novorossiysk, marking the first known attack of its kind. The ...

The introduction of the submarine to naval warfare reshaped planning and doctrine. While typical engagements relied on guns and precision, the submarine didn’t need to concern itself with being as ...

Project 677 diesel-electric submarines are designed to destroy enemy surface ships and vessels, conduct patrols, conduct reconnaissance, protect sea lanes, lay minefields, and perform other missions ...

Images released by the SBU on 15 December 2025 showed the moment of the purported UUV explosion, with the Kilo II submarine seen just to the left of the detonation. (Security Service of Ukraine) The ...

The keel was laid this week for the future USS Barb, the 31st Virginia-class nuclear-powered attack submarine, as the Navy continues to transition away from dependence on the Cold War-era Los ...

The world's first "fifth-generation" battle submarine was unveiled by a Swedish defense manufacturer, Saab. If you're wondering what constitutes a next-generation, or fifth-gen submarine, you're not ...

The United States has reached a milestone in building the Navy's first next-generation submarine equipped with nuclear missiles as it races to modernize its air-, land- and sea-based strategic forces ...

For decades, Washington blocked Seoul’s desire for the attack submarines over concerns about nuclear proliferation. President Trump reversed that policy last month, but left key questions unresolved.

The Royal Australian Navy submarine HMAS Sheean, a Collins-class boat, arrives in Hobart, Australia, on April 1, 2021. (Leo Baumgartner/Australian Defence Force via ...

Pakistan’s naval chief recently revealed that the navy will soon commission the first batch – at least three submarines – of its Hangor-class submarines in 2026. These submarines are a generation ...