Army Gen. John W. Nicholson, commander of the Resolute Support mission and U.S. Forces Afghanistan, salutes as Canadian Army Col. Steve Jourdain, defense attache to Canada’s Embassy in Afghanistan, presents the 2017 Invictus Games flag to Michael Burns, Invictus Games' chief executive officer in Kabul, Afghanistan, March 14, 2017. Air Force photo by Tech. Sgt. Robert Trujillo