The Barracuda-class (Sierra) submarines picked up some of the Alfa attributes but dialed back performance to make the ...

The Australian government has listed the Collins-class submarine as "Product Of Concern", indicating more troubles with its life extension.

Narco-submarines, the clandestine vessels used by drug traffickers, represent one of the most sophisticated and elusive methods of smuggling drugs across international waters.

Russia's Navy Commander-in-Chief Admiral Alexander Moiseyev recently hyped Moscow's growing fleet of ships and submarines as tensions between the Eastern European country and the North Atlantic ...