Leader Meeting Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, speaks with Canadian Prime Minister Justin Trudeau, in Ottawa, Canada, Feb. 28, 2018. Dunford was in Ottawa for meetings with senior Canadian officials on the evolution of North American Aerospace Defense Command. DoD photo by Army Sgt. James K. McCann SHARE IMAGE: Download Image: Full Size (1.09 MB) Photo By: Sgt. James K. McCann VIRIN: 180228-D-SW162-2046.JPG Photo Gallery