LONDON, ENGLAND - OCTOBER 10:  HRH Prince Philip, Duke of Edinburgh poses with former DOE awardees ahead of a reception to celebrate the 500th anniversary of his 'Duke of Edinburgh Award' (DOE) programme at St. Jamess Palace on October 10, 2013 in London, England. Prince Philip, who is the patron of the DOE, attended the Gold Award event presenting certificates to young people who have reached the Gold Standard of his Award Programme.  (Photo by Dan Kitwood - WPA Pool /Getty Images)