The Indian Navy says it needs stealthy conventional submarines that can stay underwater for weeks. This is possible with the help of the air-independent propulsion (AIP) system technology that can ...

Summary and Key Points: Canada is ramping up its Arctic defense capabilities in response to growing Russian influence in the region. The country plans to acquire a dozen conventionally powered, ...

Add Yahoo as a preferred source to see more of our stories on Google. The Cartagena shipyard of state-owned shipbuilding firm Navantia has begun the installation of the first air-independent ...

Key Points and Summary - Repeated naval war games have revealed an uncomfortable truth: quiet diesel-electric submarines can routinely “sink” billion-dollar aircraft carriers. -From Sweden’s ...

July 29, 2025: South Korea has 23 Air Independent Propulsion/AIP submarines while North Korea maintains a similar number of older subs. North Korea is building a nuclear powered SSBN, such a boat ...