Royal Naval survey ship 'HMS Enterprise' discovers two previously uncharted wrecks in Port Rashid Harbour. Making use of its new hi-tech, smaller motor launch, the Plymouth-based ship discovered two sunken dhows in one of the world's busiest ports at the beginning of a nine-month deployment. Spitfire, the new survey motor boat, can be sent off independently to gather data at the same time as the mother ship - effectively doubling the ship's capacity to chart the seas. After trials in the UK and around Souda Bay in Crete…