Navantia’s S-81 submarine 'Isaac Peral' made its first dive tests yesterday, as part of the test schedule agreed upon between Navantia, the Spanish Navy, and the Spanish Ministry of Defence.

Navantia conducted the initial sea trials of the first S-80 class submarine, Isaac Peral (S-81), in the Bay of Cartagena on May 27, 2022.

On a sober day, as the submarine community awaits news of the missing Indonesian sub, ...