Prince Philip, Duke of Edinburgh the Naval Staff College, Greenwich. From 1949, he was stationed in Malta (residing at Villa Guardamangia) after being posted as the first lieutenant of the destroyer HMS "Chequers", the lead ship of the 1st Destroyer Flotilla in the Mediterranean Fleet. On 16 July 1950, he was promoted to lieutenant commander and given command of the frigate HMS "Magpie". On 30 June 1952, Philip was promoted to commander, though his active naval career had ended in July 1951. With the King in ill health, Princess Elizabeth and the Duke of Edinburgh were both appointed to the Privy Council on 4 November
Royal Households of the United Kingdom whereas Balmoral Castle and Sandringham House are privately owned and maintained. The unoccupied royal residences (including the Tower of London) are run by the Historic Royal Palaces Agency, which is self-funding. The Royal Household in Scotland includes offices of personal, honorary and state appointments. The Great Officers of the Royal Household are: The Royal Household in Scotland also includes a number of other hereditary and non-hereditary offices: The Keeper of Dumbarton Castle and the Governor of Edinburgh Castle are non-hereditary offices. The Household of the Prince Philip, Duke of Edinburgh provides the administrative support to Prince Philip, Duke of Edinburgh.