Britain's four Vanguard-class ballistic-missile submarines carry the entire United Kingdom nuclear deterrent. Each 15,900-ton boat is powered by a Rolls-Royce PWR2 nuclear reactor, runs at more than ...

Britain’s Royal Navy is facing a deeply uncomfortable readiness problem at sea. Reports say all five of its Astute-class ...

In early 2026, both of Britain's carriers were tied up in port, none of the Royal Navy's attack submarines could put to sea, ...

Astute boats are vital in deterring Russian stealth subs. They also play a key role in protecting Britain’s fleet of Vanguard submarines, which carry Trident nuclear missiles, and the UK’s two ...