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 ...

a submarine can end up colliding with an underwater mountain or pop-up on a rival vessels radar/sonar. Compressed air is used to fill the tanks, which doubles as the crew's life support oxygen.

October 13, 2024: The Persian Gulf nation of Qatar has ordered several M23 class miniature submarines from an Italian firm. These boats are 23 meters long and five meters wide. They can dive to a ...

It took Navy crews three days to refloat the sunk submarine. The whole incident caused a commissioning delay of almost three years and up to $140 million in repair costs. Building and mainta ...

The HMS Trooper’s wreckage is largely made up of three separate pieces. Credit: YouTube / Planet Blue Visual analysis of the Trooper severely damaged wreckage appears to confirm the submarine ...

Submarine operations are tightly held state ... eventually a Taiwan Ministry of Defense spokesman denied there was evidence to back up this story. That said, the details of the 2023 story ...

India approved on Wednesday plans to construct two of a new class of nuclear-powered attack submarines, two defence officials said, in a project estimated to cost about 450 billion rupees ($5.4 ...

And it could be the explanation behind an international incident involving an American nuclear-powered submarine. In September 2021, a massive operation was launched by China to hunt and record an ...

CHRISTCHURCH, New Zealand — As India eyes the prospect of more Chinese and Pakistani warships and submarines traversing the Indian Ocean, Delhi is boosting its nuclear-powered submarine fleet.

The Aukus defence pact signed in 2021 between Australia, Britain and the US will see Australia buy up to five nuclear-powered submarines from Washington in the early 2030s before jointly building ...

Indian Navy officers interact on the deck of the fifth Kalvari-class submarine INS Vagir while anchored at a naval base in Mumbai in January 2023. (Punit Paranjpe/AFP via Getty Images) CHRISTCHURC ...