One of them is the K-27, once known as the “golden fish” because of its high cost. The 360ft-long (118m) attack submarine (a submarine designed to hunt other submarines) was plagued with problems since its 1962 launch with its experimental liquid-metal-cooled reactors, one of which ruptured six years later and exposed nine sailors to fatal doses […]

The sunken nuclear submarines: Russia’s ‘slow-motion Chernobyl’ at sea  — Antinuclear