The HMS Anson’s abrupt departure from Australia shows the limits of Britain’s stretched fleet. That will have major implications for AUKUS.

Nuclear submarines carry out multiple types of missions, but no matter the mission, it's vital that they remain hidden in the ocean's depths.

Refueling a nuclear submarine isn't quite as simple or quick as putting gas in your car. Here's why it takes years to get a nuclear sub back in the water.

Because of their stealth, operational adaptability, and capacity to project power in a way that surface ships cannot, submarines are considered one of the most important naval assets a country may ...

China now operates 59 submarines, compared to the US Navy’s 71—but it has expressed the clear intention to catch up.

Arithmetic is not usually dramatic, but in naval force design it can redraw the map. The U.S. Navy is approaching a transition that is less about any single submarine than about what disappears when ...

Add Yahoo as a preferred source to see more of our stories on Google. China's submarine fleet is improving, making advancements in stealth. In a war, China's subs could put up a tough fight in the ...

After a U.S. submarine sank Iran’s IRIS Dena with a Mk 48 torpedo, attention turned to the Navy’s primary undersea weapon that first entered operational service in 1972.

President Trump confirmed Sunday that nuclear submarines “are in the region” two days after saying the U.S. was positioning two nuclear submarines close to Russia. “I’ve already put out a statement, ...

Guests also learned of the work of ORCA founder Edie Widder, whose research in bioluminescence and deep-ocean exploration is featured in a documentary.

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