The Soviet Union built its Sierra-class submarines from titanium—a metal so difficult to weld that workers had to wear spacesuits inside hermetically sealed argon-filled...
Summary and Key Points: Even after the Soviet Union collapsed, U.S. and Russian submarines continued to play cat-and-mouse in the Arctic, tracking boomers and...
Why The U.S. Navy Rejected Titanium Hulls and Bet on Quiet Steel Summary and Key Points – Titanium hulls offer real advantages—strength, corrosion resistance,...
Sierra II ‘Titanium’ Submarines: Engineering Marvel, Strategic Dead End: Article Summary -Russia’s Sierra II-class attack submarines are legendary on paper: deep-diving, quiet, titanium-hulled hunters...
Key Points and Summary – The Sierra I-class was the Soviet Navy’s bold attempt to build an ultra-high-performance nuclear attack submarine using a titanium...
Key Points and Summary – The Soviet Union built revolutionary titanium-hulled submarines—like the Alfa-class—that were faster and could dive deeper than any American sub....
Key Points – The Russian Sierra II-class (Project 945A “Kondor”) is an advanced nuclear-powered attack submarine designed as a hunter-killer to target US and...
Key Points – The Soviet Sierra I-class (Project 945) was a technologically ambitious nuclear-powered attack submarine designed in the late 1970s, characterized by its...