Navantia, Spain’s state-owned shipbuilding firm, has installed an Air-Independent Propulsion (AIP) system on the Spanish Navy ...

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

Designed in the 1990s, Sweden's Gotland-class submarine was groundbreaking due to its Air Independent Propulsion (AIP) ...

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

Saab details that all subs employed by the Swedish Navy use the AIP system. (The submarine pictured is not the actual Gotland that participated in the war games, but it is the same class of ...

An AIP is a system that allows a non-nuclear submarine to operate without atmospheric oxygen. In an effort to modernize the fleet, the Israelis are set to replace their non-AIP Dolphins with Dakar ...

A US Navy nuclear submarine under construction, the Guitarro (SSN-665), sank in a similar accident in 1969. A failure of communication between two teams at opposite ends of the sub led each to ...

Sweden's Gotland-class submarine, designed in the 1990s, was the first to feature Air Independent Propulsion (AIP), allowing it to remain submerged for weeks and evade detection. Its X-shaped ...