UK Vanguard-Class Submarines to Be Replaced After Three Decades of Service The British Vanguard-class, a massive ballistic missile submarine, is soon to be replaced after serving for multiple decades.

Summary and Key Points: Britain’s Vanguard-class nuclear-powered ballistic missile submarines, commissioned in the 1990s to replace the Polaris-equipped Resolution-class, are crucial for ...

Summary and Key Points: The Vanguard-class ballistic missile submarines, pivotal to the UK's nuclear deterrence, are set for retirement after three decades of service. -Displacing 16,000 tons and ...

Vanguard-Class Submarines: The Specs In many respects, the Vanguard-class represented the apotheosis of British naval engineering, stealth capabilities, and strategic deterrence.

The French Navy's (Marine Nationale) third Suffren-class nuclear-powered attack submarine (SSN) Tourville (S637) entered ...

An unnamed Vanguard class submarine's depth gauge failed in an incident that happened more than a year ago.

The captain of an ultra-elite UK nuclear sub armed with doomsday weapons filmed a sex tape with an underling onboard the craft while at sea, officials say.

Stealth submarines can spend a very long time underwater nearly anywhere on Earth, and the U.K.'s Astute-Class subs can take it to the next level.

A look at the sheer scale, history, and evolution of 10 of the biggest military submarines ever made, from early experiments to nuclear giants.

Nuclear submarine 'breaks Royal Navy's longest patrol record' - 204 days at sea The Vanguard-class submarine reportedly spent 204 days under the waves.

The Vanguard class can carry up to 16 missiles, each armed with up to eight Trident warheads - a total of 512 warheads. Each submarine is nearly 500ft long and weighs 15,900 tonnes.

Crew on a Royal Navy nuclear submarine were reportedly told to share their food after it ran low on supplies during a six-month patrol.