ANGLESEY, WALES - JULY 14: Prince Charles, Prince of Wales meets cadets, pilots and engineers during a tour of RAF Valley on day 4 of his annual summer visit to Wales on July 14, 2017 in Anglesey, Wales. (Photo by Pete Byrne - WPA Pool/Getty Images)
ANGLESEY, WALES - JULY 14: Prince Charles, Prince of Wales meets cadets, pilots and engineers during a tour of RAF Valley on day 4 of his annual summer visit to Wales on July 14, 2017 in Anglesey, Wales. (Photo by Pete Byrne - WPA Pool/Getty Images)