This video explores Project 705 Lira, known to NATO as the Alfa-class submarine—the fastest submarine ever built. It delves into the groundbreaking titanium hull, liquid-metal reactor technology, and ...

The Soviet Union built its Sierra-class submarines from titanium—a metal so difficult to weld that workers had to wear ...

During the height of the Cold War, the rivalry between the United States and the Soviet Union spurred several technology-oriented races where both countries were trying to outdo the competition. The ...

Despite its impressive nature, the Lira-class was in no real way a strategic game-changer for the Soviets in their bid to defeat the West—and its costs were immense. During the Cold War, many radical ...