The Queen & Duke of Edinburgh Open New Base Of East Anglian Air Ambulance At Cambridge Airport

CAMBRIDGE, ENGLAND - JULY 13: Prince William, Duke of Cambridge gives Queen Elizabeth II a greeting as Prince Philip, Duke of Edinburgh looks on during a tour before she opens the new East Anglian Air Ambulance Base at Cambridge Airport on July 13, 2016 in Cambridge, England. (Photo by Niklas Halle'n - WPA Pool/Getty Images)