U.S. Marine Corps Staff Sergeant Brad Rich, an Invictus Games medalist, right, looks toward the finish line during his last day of practice at the Mayesbrooks Training Center, in London, before the start of the 2014 Invictus Games. The Invictus Games is an opportunity for wounded, ill, and injured service members from around the world to recover and rehabilitate through competing in adaptive sports. (Photo by Corporal Fareeza Ali/USMC)