The US Navy is developing a class of attack submarines that will serve into the 21st century. The US Navy’s SSN(X) attack ...

At a cost of $3 billion per unit, the Seawolf class was the most expensive SSN submarine. The Virginia class was put into production in full swing due to being smaller and carrying more manageable ...

In the SSN(X), the Navy is looking to combine the speed and heavy armaments of the Seawolf class with the stealthiness and improved sensors of the Virginia class and the operational availability ...

At a cost of $3 billion per unit, the Seawolf class was the most expensive SSN submarine. The Virginia class was put into production in full swing due to being smaller and carrying more manageable ...