Spanish S-81 submarine sinks former patrol ship in live-fire drill - Defensehere
4 November 2026 - 19:06 According to the Spanish Navy, the S-81 Isaac Peral submarine sank the decommissioned patrol vessel Infanta Elena with a single torpedo during the SINKEX 26 live-fire exercise in the Atlantic Ocean, testing the submarine’s combat systems and crew readiness. The Spanish…