 In 1827 he entered service in the Mediterranean aboard HMS "Rattlesnake" and was first lieutenant of the bomb vessel HMS "Aetna" at the attack on Morea Castle during the Morea expedition.For this service he received the crosses of the Légion d'honneur and of the Greek Order of the Redeemer.He saw further service in the Mediterranean aboard the ships HMS "Asia", HMS "Britannia" and HMS "Barham", being promoted to Commander in 1834.