In fact, the Alfa-Class was second in speed to only one other submarine model, a Soviet prototype known as K-222. The Project 705 Lira marked the first time that titanium was used in the hull ...

Russia’s Alfa-class submarine, with its unique titanium hull, is but one example of this Russian submarine prowess. These boats can cruise over 40 knots (46 miles per hour).

What You Need to Know: The Soviet Alfa-class submarine, featured in Tom Clancy’s The Hunt for Red October, was a technological marvel during the Cold War. With a titanium hull,... Meet the Alfa ...

One of the most unique and interesting submarines was the old Alfa-class nuclear-powered submarine. Known as Project 705 Lyra, the Alfa-class was meant to push the boundaries of undersea speed ...