HRH The Prince of Wales at 70

LONDON, ENGLAND - JULY 10: (STRICTLY FOR EDITORIAL USE ONLY: Images require approval. Mandatory caption: Images are part of a set to mark His Royal Highness's 70th birthday. It is the responsibility of the end user to adhere to these instructions) Prince Charles, Prince of Wales, Prince Harry, Duke of Sussex and Prince William, Duke of Cambridge pose for an official portrait in their RAF uniforms in the gardens of Buckingham Palace ahead of RAF 100th anniversary commemorations on July 10, 2018. (Photo by Chris Jackson/Getty Images for Clarence House).