The Sierra I submarine was one of the most advanced Soviet attack submarines of the Cold War. Built with a titanium hull, it ...
For the first time since World War II, a US Navy submarine has sunk an enemy vessel in combat. Earlier this week, a US Navy fast-attack submarine torpedoed an Iranian warship in the Indian Ocean in an ...
On Feb. 23, 1942, 69 days after the attack on Pearl Harbor, the Japanese submarine I-17 appeared off the coast north of Santa ...
The U.S. Navy today possesses the most technologically advanced submarine force in the world. Its nuclear-powered attack submarines and ballistic missile submarines remain unmatched in speed, ...