The Soviet-era Alfa-class submarine was a groundbreaking, high-performance vessel that demonstrated Russian submarine ...

Notable Project 705 Lira or Alfa-class Facts: The submarines were reported to be the world's fastest and deepest diving of their era and could reach a top speed of 41 knots submerged. The boats ...

During the Cold War, the Soviet Union saw the benefits of building submarines with titanium and designed its Lira-class (NATO designation "Alfa") using the metal in its hulls. This made Soviet ...