Air-independent propulsion system using Stirling engine technology, allowing submarines to operate submerged for extended periods without snorkelling. Installed during the Gotland class mid-life modernization.
Used in articles
19 Dec 2025
DEFENCE WIKI / WEAPON SYSTEM
Air-independent propulsion system using Stirling engine technology, allowing submarines to operate submerged for extended periods without snorkelling. Installed during the Gotland class mid-life modernization.