RAF Rescue Launch
The 63 foot long Type 2 High Speed Launch, known as the Whaleback from the distinctive curve to its deck, was a high speed launch class ship used in air-sea rescue to save Allied aircrew from the sea after they were shot down during the Second World War. Many owed their lives to the crews of these boats sent out to rescue them.
Initially based arounf the south-eastern coast of Britain, known as "Hellfire Corner". The RAF Air Sea Rescue Service motto was "The sea shall not have them".