Most of China's submarine fleet is diesel-electric, but Beijing is ramping up production of nuclear-powered classes.

The Pentagon on November 17 awarded General Dynamics Electric Boat a $2.28 billion contract to support advance procurement and construction of five Columbia-class ballistic missile submarines, the ...

The Navy is racing to field a new generation of ballistic missile submarines that will eventually rank as the 12 largest boats it has ever operated, aiming to close a looming nuclear deterrent gap as ...