However, under the New Strategic Arms Limitation Treaty, each submarine will have four of its missile tubes permanently deactivated in the coming years. The SSBN’s strategic weapon is the ...

The Type 094A is an improved variant of China's Type 094 (Jin-class) nuclear-powered ballistic missile submarine (SSBN). It ...

The SSGN Program Office refueled and converted four ballistic missile submarines (SSBN) into SSGNs in a little more than five years at a significantly lower cost and less time than building a new ...

The U.S. Navy awarded defense contractor Lockheed Martin a $383 million contract to produce upgraded Trident II D5 missiles for future submarines ...