SYDNEY, AUSTRALIA - MAY 07: Prince Harry watches as Lt Alistair Spearing (C) a Royal Engineers Officer who was badly wounded losing both legs above the knees whilst on deployment in Afghanistan, walk on his prosthetics for the first time with surgeon A/Prof Munjed Al Muderis (L) looking on at the Macquarie University Clinic on May 7, 2015 in Sydney, Australia. Prince Harry is visiting Sydney following a month-long deployment with the Australian Army. (Photo by Peter Parks - Pool/Getty Images)