The Pentagon has not said which American submarine fired the torpedo, except to say it was a fast-attack submarine.

Modern nuclear forces increasingly rely on platforms built for a single, unforgiving task. Just as analysts note that Russia’s Su-35S fighter was built for just one mission, nuclear-armed states field ...

The Borei class became Russia’s first post-Soviet ballistic-missile submarine, built to anchor the sea-based leg of its nuclear triad with a quieter hull, modern sonar, and new SLBMs. The design ...

Up to 1,500 jobs are coming to north Alabama with the opening of a new submarine parts manufacturing facility in Colbert ...

Add Yahoo as a preferred source to see more of our stories on Google. CHRISTCHURCH, New Zealand — Once tempted to ditch its acquisition of a Chinese-built S26T diesel-electric submarine, Thailand has ...

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

LAKE CHEROKEE, Texas (KLTV) - There is a man who lives in East Texas who owns a functioning submarine. Yes, a submarine. And he not only owns it, but he also designed and built it over forty years ago ...