U.S. Air Force Staff Sgt. August O'Neill and his service dog, Kai, prepare to enter the stadium at ESPN Wide World of Sports for the Invictus Games 2016 opening ceremony in Orlando, Fla., May 8, 2016.
O'Niell delivered the Invictus Games flag after hoisting down from a HH-60G Pave Hawk helicopter. (U.S. Air Force photo by Tech. Sgt. Joshua L. DeMotts). Original public domain image from Flickr