Less widely known than it should be, in October 1981, the Swedes noticed that the Soviet Whiskey-class submarine S-363 had got itself stuck on a shoal in Swedish territorial waters. The boat ...

What You Need to Know: The Swedish Navy's Gotland-class submarine, built between 1992 and 1996, revolutionized diesel-electric submarines with its Stirling engine air-independent propulsion (AIP ...

In the late 2010s, the Swedish Navy began modernizing their fleet of Gotland-class submarines as part of an essential mid-life upgrade program. These enhancements included upgrading the Stirling ...

Submarines are force multipliers on the naval battlefield and can wreak havoc against an adversary fleet if employed properly.