SUBMARINES: OUR STRENGTH BENEATH THE SEAS

50 miles

The distance the sonar on our vessels can ‘hear’.

30 years

The Successor boats’ lifespan.

13,000 mph

is Trident’s top speed.

1969

is when our continuous at sea deterrent began.

Explore our submarine fleet

Our submarine fleet is hidden – but it can see and hear everything. From the Astute-class to Trident’s home, the Vanguard-class, these powerful boats track aircraft, ships and submarines, and safely maintaining Trident, the nation’s strategic nuclear deterrent.

Ballistic submarines

Our Vanguard-class submarines are home to Trident, the UK's strategic nuclear deterrent.

Fleet submarines

Large, advanced and powerful attack submarines, which house Tomahawk Cruise Missiles.

Future submarines

Dreadnought-class submarines will be as revolutionary as their namesake: bigger, stronger, and better equipped.