The Russian Navy exclusively uses titanium-based submarines that are much more durable, yet the huge maintenance costs bar ...

The event comes only days after the first long-range test of a Poseidon “doomsday torpedo,” which the submarine was designed to carry.

Russian Defense Minister Andrei Belousov attended the launching ceremony on Saturday and said the heavy nuclear-powered missile cruiser Khabarovsk, “will enable us to successfully secure Russia's ...