10 Biggest Submarines in the World

Typhoon Class Russia

These nuclear giants were built by Soviet Russia in the 1960s and 70s for facing the US and its allies in the ongoing cold war.

Borei-Class Russia

They were meant to replace the old Delta III, IV and typhoon class submarines and serve the Russian Naval forces.

Ohio-Class, United States

The third biggest in the world, the Ohio class submarines were commissioned for the US navy between 1977 and 1998.

Delta Class, Russia

The Delta Class comprises a series of ballistic missile submarines that formed the cornerstone of the Russian submarine fleet in the 1970s.

Oscar Class Russia

They are currently part of the Russian northern fleet and are undergoing modernisation to increase their lifespan.

Vanguard Class, UK

The Vanguard class contains four ballistic missile submarines built for the British Navy as part of the 1994 Trident nuclear program.

Yasen/Graney Class, Russia

After the six Le Redoutable class submarines were decommissioned in the 1990s, the first Triomphant class submarine was launched in 1997.

Triomphant Class, France

Built during the cold war period, they were refurbished in the 1990s and were known for their lightweight titanium hull.

Sierra Class, Russia

Ten submarines of the Akula class were launched by Russia in 1986, which are double-hulled, offering greater buoyancy than other western subs.

Akula Class, Russia

These nuclear giants were built by Soviet Russia in the 1960s and 70s for facing the US and its allies in the ongoing cold war.