The Navy’s three Seawolf-class vessels are capable of reaching an underwater speed of 35 knots per hour. This capability keeps the relatively old Seawolf class relevant in the modern era. An ...

The result was the Seawolf-class submarine. Introducing the Seawolf-Class The Seawolf is a nuclear-powered, fast-attack sub that costs $5 billion per unit (in 2018 dollars).