Rolls-Royce PWR
Videos
The Rolls-Royce Pressurised Water Reactor series has powered the Royal Navy's nuclear submarines since the Valiant class, commissioned in 1966. The series, through the PWR3+ reactor, will also power t
HMS Valiant, the first British nuclear submarine to be powered by a British built reactor
Astute-class submarine
Videos
The Astute class is the latest class of nuclear-powered fleet submarines in service with the Royal Navy. The boats are constructed by BAE Systems Submarines at Barrow-in-Furness. Seven boats will be c
Rolls-Royce PWR
…to avoid two reactor refits in its service life. HMS Vanguard was fitted with the new core during its refit, followed by her three sister boats. The Astute-class submarines have this full-life core installed. As they were developed for SSBNs, the reactors are considerably larger than those of then-current British…
HMS Ambush in 2012
The Astute class are built at the Devonshire Dock Hall, Barrow-in-Furness
Astute on the shiplift after her launch ceremony
Audacious under construction