Building a modern nuclear cruiser from destroyer systems

What systems should a modern British or American nuclear-powered cruiser carry?

Use the equipment fitted to the navy's largest destroyer, increase the weapons capacity, and add nuclear propulsion.

The proposed starting point is the equipment carried by the navy's largest destroyer. Increase its weapons capacity and add nuclear propulsion. American nuclear cruisers are offered as the precedent, with enlarged nuclear versions developed alongside batches of conventional destroyer leaders.