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 when escorting the Queen for the annual State Opening of Parliament, where he walks and sits beside her. Contrary to rumours over the years, the Queen and Duke are said by insiders to have had a strong relationship throughout their marriage, despite the challenges of Elizabeth's reign. The Queen referred to Prince Philip in a speech on the occasion of her Diamond Jubilee in 2012 as her "constant strength and guide". As consort to the Queen, Philip supported his wife in her new duties as sovereign, accompanying her to ceremonies such as the State Opening of Parliament in various countries,