The Columbia-class ballistic missile submarines, designed to replace the aging Ohio-class, come with a hefty price tag—around ...

TASS/. Scientists at Russia’s Krylov State Research Center have started developing and introducing a fundamentally new method of detecting submarines by the trace, which their propellers leave ...

By driving the propeller shaft directly, this should result in a far quieter submarine. The UK Must Still Deal With its Old Subs Even as there are now calls for an additional nuclear-powered ...