Britain's Prince Philip, Duke of Edinburgh smiles as he speaks to guests after attending an Order of Merit service at Chapel Royal in St James's Palace in London, on May 4, 2017. Britain's Prince Philip, the 95-year-old husband of Queen Elizabeth II, will retire from public engagements later this year, Buckingham Palace said Thursday. The Duke of Edinburgh, who turns 96 on June 10, is the longest-serving consort in British history, and is still in good health. / AFP PHOTO / POOL / John Stillwell (Photo credit should read JOHN STILLWELL/AFP/Getty Images)
