Strength beneath the waves

Our submarine fleet is hidden. But it can see and hear everything. These powerful boats can silently track aircraft, ships and submarines. They also safely maintain Trident, the nation’s strategic nuclear deterrent.

Ballistic Missile Submarines

Home to Trident, the UK's strategic nuclear deterrent.

Attack Submarines

Stealthy and powerful hunter-killer submarines.

Future Submarines

Bigger, better and stronger than ever before.