Sierra-Class

Stories From Sierra-Class

The U.S. Navy Has Nothing Like Russia's Titanium Sierra-Class Submarines

Why the U.S. Navy Can't Match Russia's Sierra-II 'Titanium' Submarine

Putin's Sierra-Class Titanium Sub: The U.S. Navy Has Nothing Like It

Titanium Monster: Unveiling Russia's Sierra I-Class Submarine

Why A Russian Sierra-Class Nuclear Submarine and U.S. Sub Collided in 1992