The Navy opened submarine service to women after years of resistance driven by concerns over privacy, long deployments, and ...

The U.S. Navy's inventory of nuclear submarines is getting ready to expand with an upcoming all-new class of vessels. Here's ...

USS Idaho is the 26th Virginia-class submarine to be delivered. Another submarine in the class, the USS Massachusetts, was ...

The United States Navy's submarine fleet is bigger than you think, consisting of more than 70 subs, but Russia's comes in a close second with roughly 64 vessels in its arsenal. It has 16 ballistic ...