Sweden's stealthy submarines are lethal. NATO's newest ally says it brings 'unique capabilities' to strategic waters.

Tech Insider : Business, Environment, Politics
The top of a submarine covered in snow and ice is seen in dark water with a buildings seen through mist behind it
Swedish submarine HMS Halland enters the Stockholm harbor.

HENRIK MONTGOMERY/AFP via Getty Images

I toured the USS Cobia, a World War II submarine that sank 13 ships and received 4 battle stars. Take a look inside.

Tech Insider : Business
The USS Cobia.
The USS Cobia.

Talia Lakritz/Business Insider

Meta is reportedly building a $10 billion underwater cable that will circle the globe

Tech Insider : Business
Undersea ocean cable underwater
Meta plans to build an underwater cable that will circle the globe.

Ullstein Bild/Getty

Russia could give China submarine tech that would cut into US undersea dominance, US admiral says

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The Krasnoyarsk nuclear submarine during a flag-rising ceremony at the Arctic port of Severodvinsk on December 11, 2023.
Russia will likely provide submarine technology to China, US Adm. Samuel Paparo said.

KIRILL IODAS/POOL/AFP via Getty Images

America’s New Nuclear Subs Will Arrive Late, Cost Millions More than Promised

Gizmodo

These Chinese nuclear submarines show it's serious about countering US dominance under the waves

Tech Insider
Chinese navy Type 094A Jin-class submarine
Chinese nuclear-powered submarines have evolved over decades from problem-plagued classes to formidable assets like the Type 094 ballistic missile boat.

MARK SCHIEFELBEIN/AFP via Getty Images

Underwater photos captured reconnaissance Marines diving next to a US missile submarine out in the open ocean

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A group of US Marines swim in deep blue waters above a US Navy submarine.
US Marines from the 2nd Force Reconnaissance Company assigned to Task Force 61/2 conducting dive operations with Ohio-class guided-missile submarine USS Georgia while underway in the Mediterranean Sea.

US Marine Corps/US Navy courtesy photo

An unusual announcement about a US Navy submarine packed with cruise missiles is a loud message that puts Iran on notice

Tech Insider
A US Navy submarine sails in the middle of a dark blue ocean with a US warship in the background.
Submarine USS Georgia in the Strait of Hormuz with the cruiser USS Philippine Sea.

US Navy courtesy photo

A US Navy carrier strike group equipped with F-35 stealth fighters is rushing to the Middle East along with a submarine packed with Tomahawk missiles

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A large ship at sea on the right and a smaller ship in the background on the left.
The aircraft carrier USS Abraham Lincoln, right, follows the guided missile cruiser USS Cape St. George as the ships transit the Strait of Hormuz on May 1, 2012.

US Navy photo by Mass Communication Specialist 3rd Class Alex R. Forst

Navy SEALs dropped in on a nuclear-powered submarine in the Pacific, drilling for a higher-end fight

Tech Insider
Navy SEALs climb aboard a US Navy submarine.
West Coast-based Naval Special Warfare (NSW) operators conduct military dive operations and prepare to board the Los Angeles-class fast-attack submarine USS Greeneville (SSN 772).

Petty Officer 1st Class Alex Smedegard

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