(L-R)  Prince Charles, Prince of Wales, Camilla, Duchess of Cornwall,  Queen Elizabeth II, Meghan, Duchess of Sussex, Prince Harry, Duke of Sussex, Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge and Princess Anne, Princess Royal watch the RAF flypast on the balcony of Buckingham Palace, as members of the Royal Family attend events to mark the centenary of the RAF on July 10, 2018 in London, England.