Typically, when people think of submarine warfare, they probably recall the deadly U-boats of World War II. While that conflict saw widespread use of submarines, it was hardly the first to utilize ...

Submarine technology has come a long way since the Cold War. Modern vessels can remain at sea for extended periods, dive deeper and operate more quietly, making them harder to detect. Equipped ...

Since that time, U.S. submarine construction has grown from approximately 30,000 tons per year to nearly 130,000 tons — approaching its Cold War peak. Enabling this growth has been $6.6 billion ...