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Japan’s Soryu-class diesel-electric attack submarine achieves something once considered impossible for non-nuclear boats: weeks of submerged operation without surfacing. The Kockums Stirling AIP engine,...
In a 2005 U.S. Navy war game, a Swedish Stirling AIP-powered Gotland-class submarine slipped past the screen and “sank” a U.S. aircraft carrier. Twenty-one...
In 2005, a Swedish Saab-built Gotland-class diesel-electric submarine slipped past an entire U.S. Navy aircraft carrier strike group during joint naval drills — undetected....
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...
Key Points and Summary – Russia’s Amur-class submarines were supposed to be export-ready successors to the Kilo line, with quieter hulls, optional AIP and...
Key Points and Summary: The U.S. Navy Can’t Miss the AIP Submarine Advantage -Air-independent propulsion (AIP) submarines are reshaping undersea warfare. Sweden, Japan, and...
Key Points and Summary – Ever since the end of the Second World War, Japan has been required to maintain a smaller navy, strictly...
Key Points and Summary – Nuclear attack subs like the U.S. Virginia-class bring speed, range, and deep-water agility—key in the vast Western Pacific. But...
Key Points and Summary – In 2005, Sweden’s AIP-equipped HSwMS Gotland penetrated a U.S. carrier strike group and logged simulated torpedo “kills” on USS...