In Pictures: 50 Years of Operation Relentless

Since April 1969 there has always been one submarine from Clyde Naval Base carrying out Operation Relentless around the globe.

Commissioning of HMS Resolution

Polaris missile control on HMS Resolution

The launch of HMS Resolution

Inside the Control Room

HMS Resolution sails away

This year marks the 50th year since the Royal Navy took on the ultimate mission of the Continual At Sea Deterrent.

We will be commemorating and remembering this historic work throughout the year.