Diesel-powered submarines present a seemingly paradoxical challenge: diesel engines require oxygen to operate, while ...

Add Yahoo as a preferred source to see more of our stories on Google. While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels ...

Add Yahoo as a preferred source to see more of our stories on Google. China has unveiled the design of an unprecedented large uncrewed diesel-electric drone submarine. An online defense news outlet ...

For decades, Russia’s Kilo-class submarines were among the most recognizable diesel-electric attack submarines in ...

Summary: The Russian Navy, despite recent setbacks in Ukraine, continues to operate one of the world’s most formidable submarine fleets, including the advanced Lada-class diesel-electric attack ...

Summary and Key Points: Morocco is reportedly evaluating Russia’s Amur-1650 diesel-electric submarine as a cost-effective ...

Summary and Key Points: The U.S. Navy’s reliance on expensive, complex nuclear-powered submarines is under scrutiny as global rivals like China and Russia expand their naval capabilities. -Despite the ...

South Korea launched the first of three new 3,600-ton submarines this week, marking another step in its efforts to strengthen its undersea fleet and counter threats from north of the border. The ROKS ...

On Feb. 3, a Canadian delegation travelled all the way to the city of Geoje on Korea's southern coast for a first-hand look at Hanwha’s shipyard.