Prince Philip, Duke of Edinburgh Athens for a month in mid-1939. At the behest of the Greek king, George II, he returned to Britain in September to resume training for the Royal Navy. He graduated from Dartmouth the next year as the best cadet in his course. During the Second World War, he continued to serve in the British forces, while two of his brothers-in-law, Prince Christoph of Hesse and Berthold, Margrave of Baden, fought on the opposing German side. Philip was appointed as a midshipman in January 1940. He spent four months on the battleship HMS "Ramillies", protecting convoys of the Australian Expeditionary Force
Prince Philip, Duke of Edinburgh Mountbatten", as Elizabeth would typically have taken Philip's last name on marriage; however, when Queen Mary, Elizabeth's grandmother, heard of this suggestion, she informed the British Prime Minister Winston Churchill, who himself later advised the Queen to issue a royal proclamation declaring that the royal house was to remain known as the House of Windsor. Churchill's strong personal antipathy to Lord Mountbatten, whom he considered a dangerous and subversive rival who had lost India, may have contributed to this. Prince Philip privately complained, "I am nothing but a bloody amoeba. I am the only man in the country not allowed