This Giant Russian Ship Is Toting Two Submarines

America’s isn’t the only military to rely on heavy-lift transport vessels, the unusual class of utility ship that helped ferry the crippled USS Cole home for repairs. Russia has just released a series of photos documenting the slow return trip to the Zvezdochka shipyard for a pair of its Akula II-class submarines, the Bratsk and the Samara.

China Says New Supersonic Sub Would Reach San Francisco In 100 Minutes

China claims it has found a way to create a supersonic underwater vessel that could travel from China to San Francisco in less than two hours using new developments in supercavitation. This could be extremely useful for travel — but also for the development of underwater weapons. In fact, this is a military project.

Monster Machines: Nowhere Under The Sea Is Safe From Britain's Newest Nuclear Submarine

Russia isn’t the only nation launching a nuclear sub hunter after two decades of development. The UK recently rolled the third of seven £1 billion ($1.8 billion) Astute Class nuclear submarines, the HMS Artful, out of its cavernous dry dock for a year of demanding sea trials and a quarter century of service beneath the seas.

The Sub That Took Russia 20 Years To Build Is Finally Ready

After more than two decades in development, Russia has finally inducted its newest submarine into the Northern Fleet — a massive nuclear-powered submarine hunter christened the Severodvinsk. Better late than never, I guess.

Australia, Japan Collaborating On Stealth Submarines

A deal has been reached between Australia and Japan to collaborate on stealth submarine technology, which could mean Australia’s existing Collins-class subs are replaced towards the end of the next decade with a faster, quieter and more efficient variant.

Quantum Positioning Could Be A Radically New Sub Navigation System

We take GPS so much for granted on land that it’s easy to forget where GPS doesn’t work — like deep underwater, where only strange sea creatures and submarines roam. Enter the bizarre new world of quantum positioning, where supercooled atoms could be the future of navigation.

Monster Machines: This Submarine Periscope Can Spy Virtually Through The Waves

On the modern high seas, raising your submarine’s periscope at the wrong time is just as bad as raising a flag with a target on it. But thanks to a new optical suite developed by Israel’s Technion Institute of Technology, tomorrow’s subs will only ever have to break waves when in port.

Monster Machines: A Year-Long Bath Will Reveal The Secrets Of This Sub

In 1864, three years after the onset of the American Civil War, an ingenious new form of seafaring combat vessel ventured into the dark waters of Charleston Harbor and into the annals of history. Now researchers and historians are finally ready to begin piecing together what happened to the HL Hunley that fateful February night — but first, the Confederate attack sub will need a good long soak in the tub.

A Single Night Of Sex On This Luxury Hotel Submarine Costs $390,000

Well here’s a new option for the wealthy tourist who’s seen it all. No, it’s not a trip to space. It’s not a floating hotel room or even a wild safari. It’s a luxury submarine — an underwater palace built for a Bond villain that can be yours for the weekend. But it will cost you.

The Time The US Invaded A Japanese Submarine Base... In Alaska?

An absolutely fascinating but little-known story — described as a “forgotten theatre” by the US Navy itself — is the tale of Kiska and Attu, Alaska: two remote Aleutian islands where the Japanese military established a submarine base during World War II.

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