"How Submarine Warfare Is Changing" Topic

"Today's submarines are in danger of becoming increasingly vulnerable as "game changers" in undersea warfare make it easier to detect them, a new report says.

Deep sea submarines have been a key part of the United States military's offensive and defensive missions for decades, but a significant part of their utility lies in their ability to operate stealthily. To this end, the US military has invested huge amounts of money into making submarines – in particular, the Navy's Virginia-class nuclear submarines – quieter.

But rapid increases in computer processing power are offsetting these advances. Submarine detection techniques that do not measure sounds but rather the wake left by submarines, for example, have been known for decades. But "they have not been exploitable until very recently because computer processors were too slow to run detailed models needed to see changes in the environment caused by a quiet submarine," according to a report from the Center for Strategic and Budgetary Assessments (CSBA) released Thursday…"
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Amicalement
Armand

As opposed to the Soviet subs whose wakes were so turbulent that they could be seen on the surface with the naked eye?