Key Points and Summary - Poland’s lone submarine, the Kilo-class ORP Orzel, is an aging Soviet “black hole” boat that remains one of NATO’s quietest and most intriguing assets. -Delivered in 1986, ...

Today, approximately 130 nuclear-powered submarines are operated globally by the United States (66), Russia (31), China (12), the United Kingdom (10), France (9), and India (2). They are divided into ...