BRISBANE, AUSTRALIA - APRIL 19: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge are flanked by Chief of Air Force Air Marshall Geoff Brown (R) and Commanding Officer of Number 1 Squadron , Wing Commander Stephen Chappell (L) after having their photo taken with members of 1 Squadron at the Royal Australian Airforce Base at Amberley on April 19, 2014 in Brisbane, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. (Photo by William West - Pool/Getty Images)
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