The Navy is aiming to build 12 Columbia-class nuclear-powered ballistic missile submarines at a cost of $132 billion.

The Hellenic Navy's (HN's) submarine fleet is set to be modernised as part of a major EUR25 billion (USD27.43 billion) ...

A look at the sheer scale, history, and evolution of 10 of the biggest military submarines ever made, from early experiments ...

USS Iowa (SSN-797), the 24th submarine of the Virginia-class, was commissioned at Naval Submarine Base New London in Groton, Connecticut, on Saturday. The 7,800-ton nuclear attack boat is at least the ...