AUSTRALIA-BRITAIN-ROYALS

Flanked by Chief of Air Force, Air Marshall Geoff Brown (R), and Commanding Officer of Number 1 Squadron , Wing Commander Stephen Chappell (R), Catherine, the Duchess of Cambridge (C), makes her way into the cockpit of a RAAF Super Hornet of 1 Squadron at RAAF Base Amberley, some 50kms outside Brisbane on April 19, 2014. Britain's Prince William, his wife Kate and their son Prince George are on a three-week tour of New Zealand and Australia. AFP PHOTO/POOL/William WEST (Photo credit should read WILLIAM WEST/AFP via Getty Images)