An Aircraft Carrier Was 'Sunk' By A Cheap Diesel Sub from Sweden

What You Need to Know: In 2005, the Swedish diesel-electric submarine HMS Gotland participated in a naval exercise with the U.S. Navy off the coast of California. Despite operating against a formidable carrier strike group that included the nuclear-powered aircraft carrier USS Ronald Reagan, the Gotland managed to "sink" the carrier multiple times in simulated attacks over two years.

The submarine's success was attributed to its advanced stealth capabilities, including a modern Stirling...