TORONTO, CANADA - MAY 02:  Prince Harry drops the puck in as Canadian Prime Minister Justin Trudeau looks on as they start a sledge-hockey match Mattany at the Athletic Centre on May 2, 2016 in Toronto, Canada. Prince Harry is in Toronto for the Launch of the 2017 Toronto Invictus Games before heading down to Miami and the 2016 Invictus Games in Orlando.  (Photo by Chris Jackson/Getty Images)