Isaac Peral (S-80 plus)

The Isaac Peral (S-80 Plus) is the lead boat of a new class of conventional submarines developed by Navantia for the Spanish Navy. It features an Air Independent Propulsion (AIP) system, allowing for extended submerged endurance and enhanced stealth capabilities.

The S-80 program was launched in the early 2000s to replace Spain's aging Galerna-class submarines and establish domestic naval design independence, though the project faced significant delays and a major redesign in 2013 due to weight distribution issues. Following these extensive modifications, the lead ship Isaac Peral (S-81) successfully completed its deep-dive sea trials and was officially commissioned into the Spanish Navy in November 2023. While the submarine has not yet participated in combat operations, it is currently undergoing operational integration and training exercises to prepare for future NATO and national security missions. Its successful delivery marks Spain's entry into an elite group of nations capable of independently designing and manufacturing advanced conventional submarines.