Submarine Defense

Submarine Defense

AIP Technology Explained: How Diesel Submarines Became Invisible

In 2005, a small, cheap Swedish submarine, the HSwMS Gotland, slipped past the multi-billion dollar anti-submarine defenses of the US Navy. It approached the aircraft carrier USS Ronald Reagan, snapped several periscope photos of the carrier’s hull (marking a virtual torpedo hits), and slipped away undetected. The US Navy was shocked. How could a diesel […]

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