Filip Nyman on Instagram: "In a 2005 naval exercise, the Swedish Gotland-class submarine ”sank” the American aircraft carrier USS Ronald Reagan multiple times, demonstrating that even a relatively inexpensive, stealthy diesel-electric submarine could bypass a modern carrier strike group’s defenses. The Gotland-class’s air-independent propulsion (AIP) system allowed for near-silent, submerged operation, making it exceptionally difficult to detect. This event highlighted the vulnerabilities of sup