The submarine was driven deeper ... and surfaced Puffer after an unprecedented 37 hours and 45 minutes submerged. Two engines ...

Veteran Joseph Shuman, who served in the Navy from 1977 to 1983 and worked aboard a nuclear-powered attack submarine for ...

In a 2005 war game exercise, the Swedish diesel-electric submarine HMS Gotland managed to "sink" the $6 billion USS Ronald ...

It's this engine-making Rolls-Royce company we're interested in now, as it just announced it is entering the submarine solution provider market with not one, but two different solutions.

The S80 class submarines are the only 3,000-ton vessels in the world equipped with the AIP system, according to Navantia.

Typically diesel engines in a submarine, while powerful and reliable, produce a lot of noise that's easy to pick up on radar. The Gotland's propulsion system may not be as suited for longevity as ...

Nuclear submarines make up the entirety of the United States Navy's surprisingly large submarine fleet. The U.S. operates ...

The Royal Navy’s Astute-class submarine stands as a marvel of naval technology, known for its extreme quietness and high ...

In a 2005 war game, the Swedish diesel-powered submarine HMS Gotland stunned the U.S. Navy by "sinking" the $6 billion USS Ronald Reagan supercarrier. Using highly optimized Sterling engines ...

Recent advancements in lithium-ion battery (LIB) technology have led to a resurgence of conventional diesel-electric ...

A growing consensus among Asia analysts in Washington posits that China is readying for a war with the U.S. over Taiwan by 2027.

“It features a doubled range in the class of 120km with a new turbojet engine, to regain the stand-off distance in ...