In a war game for the ages.
The Nimitz-class aircraft carrier, USS Ronald Reagan, can carry up to 90 aircraft on its surface and boasts of multiple radar systems, measures to counter torpedoes, and even electronic warfare. But a small diesel-powered submarine built for the Swedish Navy 'ran rings' around it and sunk it during the war games of 2005,Interestingly, the U.S.Navy decommissioned its diesel submarines in the 1990s in favor of nuclear ones.
However, even after the U.S. switched to nuclear-powered subs, Sweden continued to develop its diesel-powered submarines. The Gotland class features the noise-less that do not need air for their propulsion, allowing them to stay underwater for weeks when needed or switching to diesel power when traveling longer distances.
By charging the batteries on the submarine, a navy unit can take up a noise-less stealth operation as well. Even thoughhave batteries, they need to run a coolant to keep the reactor temperatures low, which can be a giveaway of their location. However, with a Stirling engine by its side, the Swedish submarine was able to run a quieter operation, which proved fatal for the aircraft carrier, not once or twice but for two years, Business Insider reported.
With abilities to turn sharply and computerized steering that allows only one operator to control the depth and the course, the submarine has higher maneuverability when compared to other submarines making it even harder to be detected, following a strike. Following the exercise, the U.S. Navy requested for the submarine to be deployed with the U.S. forces to improve their antisubmarine warfare which was then extended for a total of two years.
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