Industries are competing to be the recipients of the underwater defense spending spree from nations facing maritime threats.

In a legendary 2005 wargame, the small Swedish diesel-electric submarine HSwMS Gotland repeatedly slipped through the U.S. Navy’s most advanced defenses and simulated the sinking of the $6 billion ...

The Enigma of the Lost USS R-12 Submarine In June 1943, the USS R-12, a WWII submarine, vanished mysteriously during a routine patrol near the Florida Keys. As part of the U.S. Navy's fleet, its ...

Equipped with stealth and AIP technology, Pakistan’s new Chinese submarine enters contested waters, but India’s expanding ...

The U.S. has pivoted policy to focus more northward. In 2018, it resuscitated the U.S. Navy's Second Fleet to counter Russia, ...

With Air Independent Propulsion at its core, Project-75(I) promises to extend India’s submarine endurance from just two days ...

The Federal Communications Commission said on Wednesday it plans to adopt rules to bar companies from connecting undersea submarine communication cables to the United States that include Chinese ...

Many of these deep valleys had gone undetected because of the difficulty of collecting sonar data beneath floating ice ...

Australia has assured Washington that U.S. technology will be safe under a plan to supply it with nuclear-powered submarines in a tripartite deal also including Britain, Canberra's ambassador to ...

China is looking to replicate Ukraine’s underwater drone successes in a potential conflict in the Indo-Pacific.