Sweden's submarines have a unique capability which sets them apart. They can load two torpedoes into a single torpedo tube and shoot them both at once.

When Sweden joins NATO, it will help the alliance redress its vulnerability in northwest Europe – the Baltic Sea, a shared waterway with Russia with a bottleneck for access to ports in eight ...

When Sweden loaned one of its Air Independent Power submarines to the U.S. Navy, it made waves. Now that submarine has been upgraded with an even stealthier propulsion system.

A 1990s-era Swedish submarine was relaunched after a 12-month mid-life upgrade, defense contractor Saab announced Friday.

Swedish authorities said they are now sure that a small foreign submarine illegally entered waters off the country’s east coast in October.

Here’s What You Need to Remember: The Swedish navy, while small, has long reserved funds for submarines given its location and the likely direction of conflict. In terms of modern diesel ...

The hunt for a rogue submarine in Sweden’s waters last month has now confirmed that a foreign vessel was there, the Swedish government said Friday, but the origin of the ship still remains ...

Here’s What You Need to Remember: There are many places along the Swedish coast for stealthy submarines to hide… In terms of modern diesel-electric submarines, it’s hard to beat Sweden. In ...

The Swedish military on Monday intensified a search in the ocean off Stockholm for an underwater mystery vessel, but stopped short of calling it a submarine.

Sweden has grown increasingly close to NATO in recent years, and the submarine could have been a European or even American boat.