The first ship in the new Daring class, HMS Daring, was launched in February 2006.

BBC: HMS Duncan

Defender is the fifth of the navy's six new Type 45 destroyers to be commissioned, following HMS Daring, HMS Dauntless, HMS Diamond and HMS Dragon.

BBC: HMS Defender commissioning ceremony held in Portsmouth

The current HMS Campbeltown, a Type 22 frigate, is named after a wartime vessel which was deliberately blown up in a daring operation nearly 70 years ago.

BBC: HMS Campbeltown