After a long patrol, a Vanguard-class submarine returns to HMNB Faslane. These submarines operate quietly for months at a time, forming the backbone of the UK’s continuous at-sea deterrent. This video ...

The Royal Navy has nine nuclear-powered submarines. Four of them are the Vanguard class, tasked with providing the nation’s ...

EXCLUSIVE: A Royal Navy source said senior officers say sitting in the garden allows them to "relax" before long deployments.

Fact check: Warheads for Trident missiles are manufactured in UK - The UK’s nuclear warheads are made at a site in Berkshire.