Titanium is an incredibly strong, light, and non-corrosive metal, making it seem ideal for submarine building; however, the US military doesn't use it.

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.

Summary: The Soviet Union’s Alfa-class submarines, introduced during the Cold War, marked a significant advancement in naval technology with their speed, depth capabilities, and innovative use ...

Russia’s Alfa Class fast attack submarine was the SR-71 of the undersea world during the Cold War. The Alfas were largely constructed of titanium, used a liquid-metal cooled nuclear powerplant ...

The designs for Russia’s next class of nuclear attack submarine, the Laika class, were recently revealed.; The Laika ships will replace the existing Alfa-class boats, which have been in ...