Here is the video of How a Single Swedish Submarine Defeated the US Navy Fleet. During war games in 2005, a Single Swedish Gotland-class diesel-electric submarine managed to sneak by the entire US Navy carrier task force with antisubmarine defenses.
Submarine Entered the read Zone and scored multiple torpedo hits on the USS Ronald Reagan Aircraft carrier.
A 100 million dollar submarine managed to destroy a 6.2 billion dollar Aircraft carrier
The Gotland-class submarines of the Swedish Navy are modern diesel-electric submarines, which were designed and built by the Kockums shipyard in Sweden.
In addition, they are the first submarines in the world to feature a Stirling engine air-independent propulsion (AIP) system
which extends their underwater endurance from a few days to weeks.
This capability had previously only been available with nuclear-powered submarines.
USS Ronald Reagan
USS Ronald Reagan (CVN-76) is a Nimitz-class, nuclear-powered supercarrier.
Furthermore, it is the ninth ship of her class.