The description below is taken from the Airfix catalogue this kit was first seen in. There is also extra information underneath the main catalogues description including the changes to the name of this kit in the catalogues.

The Fleet Submarines of the Trafalgar Class are extremely sophisticated, deep diving, high-speed submarines, capable of fulfilling a range of maritime military tasks undreamed of by the strategists of previous generations. Their most important role is to seek out and destroy other submarines that may pose a threat to any friendly force of which they have an unrivalled capability.