What You Need to Know: The Swedish Navy's Gotland-class ... The AIP changed that, ushering in a new era for diesel-electric submarine endurance. AIP is a marine propulsion technology that allows ...

Sweden's submarine search heats up tension in Baltic region — Russian Defense Ministry Spokesman of Russia's Defense Ministry says Sweden's search for an unknown sub may result in undermining ...

The launch of Singapore’s final Invincible-class submarine on April 22 marked a new era in the Republic’s submarine journey. Here is a closer look at the evolution of the Republic of Singapore ...