Diesel-electric submarines have diesel engines as well as electric motors. The diesel engines only work while the sub is on ...

Once tempted to ditch its acquisition of a Chinese-built S26T diesel-electric submarine, Thailand has decided the project ...

Japanese shipbuilder Kawasaki Heavy Industries has revealed possible misconduct in fuel efficiency testing of some of its submarine engine models.

One of Japan’s leading shipbuilders is facing yet another round of scrutiny for its submarine construction work after coming under fire for cozying up to submarine crew members.

Pakistan’s $5B Chinese-funded Hangor submarine deal exposes its navy to debt leverage, hidden dependencies, and Beijing’s ...

There is serious doubt about whether the submarines will perform at the level it has been sold on. Open-source analysts point ...

While the Type XXI subs sank no ships, their potential terrified Allied navies, prompting intensified anti-submarine efforts.

Beneath the waves, submarines move like secret agents of the sea. Their job is to stay invisible, and to do that, they must ...

Competition to build Canada's new fleet of submarines kicked up a notch Wednesday with the South Korean bidder reiterating its pledge to deliver more boats faster than its German rival.Hanwha Ocean ...

India is poised to finalise two mega submarine deals worth over ₹1 lakh crore by mid-2026, boosting its undersea warfare strength amid China’s growing naval presence in the Indian Ocean.